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Here you will find an overview of the complete PKP product range.

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DG01 - Sight flow indicator with wipers for easy cleaning
to monitor the flow of liquids with low or medium viskosities
special versions for gas available
the build-in wipers allow the cleaning of the inside of the sight glass with just a turn of the hand, a time consuming disassembly is not necessary
for pipe sizes from 1/4" to 1 1/2"
brass and stainless steel versions available
DG02 - Sight flow indicator with rotor
to monitor the flow of liquids with low or medium viskosities
robust industrial version
good visibility of rotor through glass dome
for pipe sizes 1/4" to 1"
material: bronze / stainless steel
max. pressure: 232 psi / 16 bar
max. temperature: 392 °F / 200°C
DG03 - Sight flow indicator in plastic housing
for flow monitoring of low and medium viscous liquids
bidirectional flow
with turbine, visibility 360°
for pipe sizes 1/4" to 1"
material: polyamide / brass
max. pressure 145 psi / 10 bar,
max. temperature: 212 °F / 100 °C
DG04 - Sight flow indicator for wafer mounting
to monitor liquid flows
easy mounting between two DIN or ANSI flanges
for pipe sizes from 3/8" / DN10 to 12" / DN300
Insensitive to dirt build-up
low-cost version made of acrylic available
borosilcate glass version for aggressive media and temperatures up to 572 °F / 300 °C
soda-lime glass for general applications and temperatures up to 302 °F / 150 °C
max. pressure: up to 232 psi / 16 bar
DG06 - Sight flow indicator with flap
To monitor the flow of low and medium viscous liquids
The integrated flap and a graduated scale located behind the sight glass allow a course estimate of the flow rate
For pipe sizes from 1/4" to 2"
Process connections: threaded, G or NPT, flanged to DIN or ANSI
Material: bronze, carbon steel or stainless steel
Max. pressure: 40 bar
Max. temperature: 150 °C
DG08 - Sight flow indicator with ball, for horizontal mounting
to monitor the flow of low and medium viscous liquids ad gases
suitable for agressive media
red bronze or stainless steel
borosilicate glass and PTFE indicator ball
max. pressure: 232 psi / 16 bar
max. temperature: 392 °F / 200°C
for pipe sizes from 1/4" to 1 1/2"
DG10 - Sight flow indicator with threaded connection
full bore version, optionally with flap or rotor
materials: cast iron, cast steel or stainless steel
for pipe sizes from 1/4" to 2"
max. medium temperature up to 536 °F / 280 °C
max. pressure: 232 psi / 16 bar,
optionally 363 psi / 25 bar or 580 psi / 40 bar
available with NPT or G thread
DG11 - Sight flow indicator with flanged connection
full bore version, optionally with flap or rotor
materials: cast iron, cast steel or stainless steel
for pipe sizes from 1/2" to 10".
max. temperature: up to 536 °F / 280 °C
max. pressure: 232 psi / 16 bar,
optionally 363 psi / 25 bar or 580 psi / 40 bar
process connection: flanges to ANSI or DIN
DS01 - Miniature flowmeter and switch with glass measuring tube
low cost version for measurement and monitoring of low viscous liquids or gases
brass or st. steel versions available
for pipe sizes from 1/4" to 1".
ranges:
water:
0.08 - 0.95 GPH ... 16 - 40 GPM
5 - 60 ml/min ... 60 - 150 l/min
air:
0.4 - 2.75 SCFH ... 7.0 - 22.0 SCFM
0.2 - 1.3 Nl/min ... 200 - 625 Nl/min
DS02 - Miniature all metal flow switch
low cost version for monitoring the flow of low viscous liquids or gases
material: brass or stainless steel
for pipe sizes from 1/4" to 1"
ranges:
water:
0.08 - 0.95 GPH ... 16 - 40 GPM
5 - 60 ml/min ... 60 - 150 l/min
air:
0.4 - 2.75 SCFH ... 7.0 - 22.0 SCFM
0.6 - 2.2 Nl/min ... 200 - 650 Nl/min
DS03 - Variable area flowmeter and switch with glass measuring tube
for measurement and monitoring of low viscous liquid or gaseous media
material: brass or stainless steel
for pipe sizes from 1/4" to 1"
ranges:
water:
1.6 - 23.8 GPH ... 60 - 790 GPH
0.1 - 1.5 l/min ... 4 - 50 l/min
air:
6.5 - 63.5 SCFH ... 7 - 56.5 SCFM
3 - 30 Nl/min ... 200 - 1600 Nl/min
DS04 - All metal variable area flowmeter and switch, high pressure version
for measurement and monitoring of low viscous liquids or gases
max. pressure up to 300 bar
material: brass or stainless steel
for pipe sizes from 1/4" to 1"
ranges:
water:
1.5 - 23.8 GPH ... 65 - 790 GPH
0.1 - 1.5 l/min ... 4 - 50 l/min
air:
2.0 - 59.0 SCFH ... 7 - 51 SCFM
1 - 28 Nl/min ... 200 - 1450 Nl/min air
DS05 - Variable area flowmeter and switch with glass measuring tube, mounting independent
for measurement and monitoring of low viscous liquids
horizontal or vertical mounting
material: brass or stainless steel
for pipe sizes from 1/4" to 1 1/4"
ranges:
water:
3.0 - 63 GPH ... 9.0 - 66 GPM
0.2 - 4 l/min ... 35 - 250 l/min
DS06 - All metal variable area flowmeter and switch, high pressure version, mounting independent
for measurement and monitoring of low viscous liquids
horizontal or vertical mounting
max. pressure up to 300 bar
material: brass or stainless steel
for pipe sizes from 1/4" to 1 1/2"
ranges:
water:
3.0 - 63.5 GPH ... 9 - 66 GPM
0.2 - 4 l/min ... 35 - 250 l/min
DS07 - Viscosity compensated flowmeter and switch with glass measuring tube, mounting independent
for measurement and monitoring of viscous liquids up to 600 cSt
horizontal or vertical mounting
material: brass or stainless steel
for pipe sizes from 1/4" to 1"
ranges:
8 - 27 GPH ... 8 - 24 GPM
0.2 - 0.8 l/min ... 30 - 90 l/min

max. pessure: up to 232 psi / 16 bar
max. temperature: up to 320 °F / 160 °C
DS08 - All metal viscosity compensated flowmeter and switch, high pressure version, mounting independent
for measurement and monitoring of viscous liquids up to 600 cSt
horizontal or vertical mounting
material: brass or stainless steel
for pipe sizes from 1/4" to 1"
available as flow switch or flow meter with side pointer indicator
ranges:
1.6 - 12.7 GPH ... 9.5 - 29.0 GPM
0.1 - 0.8 l/min ... 35 - 110 l/min

max. pressure: up to 4350 psi / 300 bar
max. temperature: up to 320 °F / 160 °C
DS10 - Low flow variable area flowmeter with glass measuring tube
for low viscous liquids and gases
material: brass or stainless steel
max. pessure: up to 232 psi / 16 bar
max. temperature: up to 212 °F / 100 °C
optional limit switches, up- or downstream flow regulator
measuring ranges:
water:
0.066-0.66 GPH ... 4.2-42 GPH
0.25-2.5 l/h ... 16-160 l/h
air:
0.018-0.18 SCFH ... 18-180 SCFH
0.5-5 ... 500-5000 l/h
DS12 - Variable area flowmeter with glass measuring tube and threaded connection
For low viscous liquids and gases.
High accuracy: class 1.6
Materials: armature and process connection from steel or stainless steel.
Max. pressure: up to 16 bar.
Max. temperature: up to 80 °C,
high temperature version up to 130 °C.
Measuring ranges:
water: 0,001...0,025 - 1000...10000 l/h
air: 0,095..1,9 - 16000...160000 Nl/h.
Optionally available with needle valve and limit switches.
DS15 - Variable area flowmeter with plastic measuring tube
for low viscous liquids or gases
for pipe sizes from 3/8" to 2 1/2"
measuring tubes made of PVC, PA, PSU, or PVDF
max. pressure: 145 psi / 10 bar.
max. temperature: up to 230 °F / 110 °C.
accuracy: +/- 4% f. s.
optional alarm contacts or analog transmitter
measuring ranges:
water:
0.8-6.3 GPH ... 44-220 GPM
3-24 l/h ... 10000-50000 l/h
air:
7-35 SCFH ... 44-220 SCFM
0.2-1 Nm3/h ... 400-1500 Nm3/h
@ 0 bar g, 20 °C
DS20 - Compact all metal variable area flowmeter for low flows
For low viscous liquids and gases.
For pipe sizes 1/4" or 3/8".
All wetted parts stainless steel AISI 316 TI
max. pressure: up to 160 bar.
Temperature range: -180 °C to +150 °C higher on request).
Options: limit switches, analogue output, regulating valve, up- or downstream flow regulators.
Ranges:
0.1-1 l/h ... 25-250 l/H water
4.5-45 Nl/h ... 800-8000 Nl/h air @ 1.031 bar abs., 20°C
DS25 - All metal variable area flowmeter, insensitive to viscosity changes
For liquids, gases, and steam.
For pipe sizes from 1/2" to 4".
Optional limit switches, analogue output (electric or pneumatic, EEx) available.
Process connections: DIN or ANSI flanges,pipe threads G or NPT, Tri-Clamp and hygienic connections acc. to DIN 11851.
Material: completely stainless steel AISI 316 Ti.
Ranges:
0.0025-0025 m3/h ... 15-130 m3/h water.
0.075-0.75 Nm3/h ... 180-1800 Nm3/h air @ 1.013 bar abs., 20 °C.
DS51 - OEM - Piston type flow switch for low-flow applications
for low viscous liquids
factory-set switchpoint, settable between 0.1 and 2.5 l/min
small, compact design, for all mounting positions
robust metal housing from brass, nickel plated brass or stainless steel
process connection: G 1/4 female or hose connector for 8 mm hose
max. pressure: 25 bar
max. temperature: 100 °C
special versions on request
DP01 - Paddle type flow switch
For pipe sizes from 1/4" to 6".
With Reed contact or micro switch.
Materials: brass, stainless steel or PVC.
Max. pressure: up to 25 bar
Max. temperature: up to 110 °C
Switching ranges: 2.7 l/min ... 46 m3/h water
DP02 - Paddle type flow switch with cable connection
Low-cost version
For pipe sizes from 3/8" to 6"
With Reed contact in brass housing and cable
Materials: brass, stainless steel or PVC.
Max. pressure: up to 25 bar
Max. temperature: up to 110 °C
Switching ranges: 2.7 l/min ... 39.3 m3/h water
DP05 - Paddle-bellows flow switch with adjustable switch point
For pipe diameters from 3/8" to NB600.
Insensitive against dirty media and electromagnetic fields.
Medium hermetically sealed from switching element by means of a stainless steel bellows.
Materials: brass, stainless steel or PVC.
max. pressure: up to 16 bar
max. temperature: up to 100 °C
With highly rated micro switch (250 V, 10 A).
Switching ranges: 1-5 l/min ... 1250-4500 m3/h water.
DP06 - Paddle-bellows flow meter and switch for liquids
Large 270° pointer indicator.
For pipe diameters from 3/8" to NB600.
Insensitive against dirty media and electromagnetic fields.
Medium hermetically sealed from switching element by means of a stainless steel bellows.
Materials: brass, stainless steel or PVC.
max. pressure: up to 16 bar
max. temperature: up to 100 °C
With highly rated micro switch (250 V, 10 A).
Measuring and switching ranges: 1-5 l/min ... 1250-4500 m3/h water.
DK04 - Flowmeter with flap for low viscous media
Robust construction.
High overload protection.
Low pressure loss.
For pipe sizes from G 1/4 to G 3/4.
Materials: PPS / brass / stainless steel
max. pressure: up to 16 bar
max. temperature: up to 70 °C
Optionally with analogue output, frequency output or limit switch.
Measuring ranges: 1...15 to 1...80 l/min water.
DK10 - Flap Flowmeter
Robust design, for any flow direction.
Insensitive to dirty / contaminated media.
Process connection: female thread or wafer (for mounting between two flanges).
For pipe sizes from 1/4" to 8" / DN200.
Materials: aluminum, bronze, cast iron, carbon steel, stainless steel, PVC or PTFE.
Max. pressure: up to 200 bar
Max. temperature: up to 350 °C
With optional analog output and / or limit switches.
Measuring ranges: 4...15 to 120...5000 l/min.
For medium viscosities up to 600 cSt.
DPS10 - Paddle-bellows type flow switch with micro switch
For liquids and air.
For pipe sizes from 1".
Wetted parts: brass or stainless steel.
Integrated micro switch with high switch rating.
Adjustable switch point.
Easy mounting: G 1 A thread for liquids, mounting plate for air.
max. pressure: up to 11 bar.
max. temperature: up to 120 °C
DR04 - Modular rotating vane flowmeter, switch and monitor
For pipe sizes 3/8" or 1".
Materials: Questra, PVDF, brass or stainless steel.
Max. pressure: up to 100 bar
Max temperature: up to 120 °C.
Ranges:
0.1-1.5 l/min ... 4-100 l/min water.
With alarm contacts, analog output signal, LCD-indication.
Electronic mounted on flowmeter or separately available.
DR05 - Plastic rotating vane flowmeter
for low viscous liquids
all plastic version without metallic parts
materials: PP, ECTFE, ceramic, Viton
for pipe sizes from 1" to 2" NPT or BSP
measuring ranges (water):
1.3-66 ... 5.3-265 GPM
5-250 ... 20-1000 l/min
turndown ratio up to 50:1
max. pressure: 145 psi / 10 bar
max. temperature: 32...176 °F / 0...85 °C
output signals: pulses, analogue output 4...20 mA or limit switches
accuracy: ± 3% of end value (full scale)
DR08 - Miniature turbine flowmeter for low viscous media
For pipe sizes from 3/4" to 2".
Materials: PP, brass or stainless steel.
Max. pressure: up to 300 bar
Max. temperature: up to 150 °C
Ranges:
2-40 l/min, 4-180 l/min and 0.4-25 m³/h water.
High accuracy.
No individual calibration necessary.
Integrated temperature sensor optionally available.
Analog output, frequenzy divider or local electronic indication and control unit optionally.
DR12 - High precision turbine flowmeter from stainless steel
For low viscous media
Wetted parts all stainless steel
Accuracy: +/- 0,5% and +/1% of measured value
For pipe diameters from DN10 (3/8") to DN400 (16")
Measuring ranges: 55...275 l/h to 800...4000 m³/h of water
Max. pressure: up to 400 bar
Max. temperature: up to 150 °C
Output signal: pulses
DR15 - Paddle wheel flowmeter, counter and batcher
for low viscous media
wetted parts from PP, PVDF and Alloy 59
accuracy: +/- 2,5% (batching: +/- 1,5%)
process connections: G 1 AG, 1" NPT AG
measuring ranges: 10...60 and 20...120 l/min
3 additional, user defined measuring ranges
max. pressure: 10 bar
max. temperature: 60 °C
output signals: pulses and/or switch output for batch control
LCD indication for flow rate and flow total
keypad with 5 programming buttons
DR16 - Battery operated turbine flowmeter
Available with two counters for flow total (1 x resettable, 1 x non-resettable) or as counter and rate meter.
Materials: Aluminium or Nylon housing.
Max. pressure: up to 20 bar
Ranges:
1...10 l/min or 10...190 l/min low viscous media.
Special versions for water and fuels, range 10...100 l/min.
6-digit LCD-Indication.
Battery operated - no additional power supply necessary.
DZ01 - Oscillating piston type oil flow counter
For pipe sizes from G 1/8 to 2".
Process connection: pipe thread or flanges.
Viscosity independent up to 500 mPas.
Materials: aluminium, steel, brass.
Ranges:
0.5...40 l/h to 750...30000 l/h.
Max. pressure: 25 bar
Max. temperature: 180 °C
With mechanical counter and optional pulse output.
DOZ01 - Oval gear flowmeter for low flows
Process connection: G 1/4 female or 1/4" NPT female
Viscosity independent up to 200 mPas.
Wetted parts: PP, ECTFE, stainless steel, PEEK.
Measuring ranges:
8...40 l/h and 14...80 l/h.
Puls-, analogue- or switch output.
All plastic version available.
Max. pressure: 10 bar for plastic version, 20 bar for stainless steel version.
Max. temperature: 80 °C
DV01 - Gear wheel counter for viscous media
For pipe sizes from 3/8" to 3/4".
Viskosity up to 4000 cSt.
Materials: aluminium, gear wheels steel.
Optional all stainless steel version available.
Max. pressure: up to 160 bar
Max. temperature: up to 80 °C
Ranges:
0.25-10 l/min ... 1-65 l/min
Low-Cost-version
DV04 - High precision gear wheel counter for viscous media
For pipe sizes from 1/8" up to 1 1/2".
For medium viscosities up to 100000 cSt.
Materials: housing grey cast iron or stainless steel, gear wheels steel or stainless steel.
Max. pressure: up to 400 bar
Max. temperature: up to 150 °C
Ranges:
0.008-2 l/min ... 3-315 l/min
Accuracy: +/- 0.3% of measured value.
Optionally: Ex-version with separate isolation amplifier.
DTH01 - Compact calorimetric flow switch for liquids
To monitor the flow of liquid media.
Without moving parts, therefore insensitive to dirt.
Wetted parts stainless steel.
Max. pressure: 100 bar.
Max. temperature: 70 °C.
Range:
Flow velocities from 1 to 150 cm/s.
Output signal: PNP or NPN transistor switch output.
Trend indication for flow velocitiy.
Supply voltage 24 VDC.
Available with optional temperature switch point.
DTH02 - Modular calorimetric flow switch for liquids
To monitor the flow of liquid media.
Without moving parts, therefore insensitive to dirt.
Wetted parts stainless steel.
Process connection: G 1/4 male, G 1/2 male or Tri-Clamp.
Max. pressure: 100 bar.
Max. temperature: 70 °C.
Range:
Flow velocities from 1 to 150 cm/s.
Output signal: PNP or NPN transistor switch output or SPDT relay 5A.
Trend trend indication for flow velocity.
Supply voltage: 24 VDC or 230 VAC.
Available with optional temperature switch point.
DTH08 - Calorimetric flowmeter for low flows
For measurement of flow and temperature of liquid media
Without moving parts, therefore insensitive to pollution
Wetted parts stainless steel
Max. pressure 10 bar
Max. temperature 70 °C
Measuring range: 0,01...2 bis 0,05...10 l/min
Output signals:
Transistor switch output
Analogue output
Frequency output
(every output signal may be configured either for flow or temperature)
DTL08 - Compact calorimetric flowmeter for air
for measurement and monitoring of velocity or volume as well as temperature of air flows
no moving parts, therefore insensitive to dirt
sensor from nickel plated brass.
max. pressure 10 bar
max. temperature 80 °C
measuring ranges: 0...1 bis 0...30 m/s
output signals:
transistor switch output and relay output
analog output for flow (4...20 mA and 0...10 V)
analog output for temperature (0...10 V)
DB04 - Battery operated thermal mass flowmeter for gases
Independent of pressure or temperature variations of the medium.
Compact design, no straight pipe runs in front of the meter necessary.
Materials: aluminium or stainless steel.
max. pressure: up to 10 bar.
max. temperature: up to 50 °C.
Ranges:
0.004-0.2 Nl/min ... 4-200 Nl/min gas
Supply voltage: battery operated or 24 VDC.
Indication: LCD for flow rate and bargraph.
Optionally: integrated control valve, limit switch or totaliser.
DB05 - Thermal mass flowmeter and controller for gases
Independent of pressure or temperature variations of the medium.
Compact design, no straight pipe runs in front of the meter necessary.
Materials: aluminium or stainless steel.
max. pressure: up to 10 bar.
max. temperature: up to 50 °C.
Ranges:
0-25 ml/min ... 0-200 l/min gas.
Accuracy: +/- 1.5% FS (standard) or +/- 0.5% FS (enhanced accuracy).
Turn-down ratio 30 or 100 : 1.
Analogue output and control input: 4...20 mA, other analogue signals optionally.
Serial interface.
Supply voltage: 24 VDC.
DB08 - Thermal mass flowmeter for gases with stainless steel sensor system
Independent of pressure or temperature variations of the medium.
Compact design, no straight pipe runs in front of the meter necessary.
Materials: aluminium or stainless steel.
max. pressure: up to 10 bar.
max. temperature: up to 70 °C.
Ranges:
0.005-0.1 Nl/min ... 375-7500 Nl/min gas

Supply voltage: 24 VDC.
Optionally: LCD indication for flow rate or flow total.
DB09 - Thermal mass flowmeter and controller for gases with stainless steel sensor system
Independent of pressure or temperature variations of the medium.
Compact design, no straight pipe runs in front of the meter necessary.
Materials: aluminium or stainless steel.
max. pressure: up to 10 bar.
max. temperature: up to 70 °C.
Ranges:
0.005-0.1 Nl/min ... 50-1000 Nl/min gas.
Integrated proportional control valve.
Supply voltage: 24 VDC.
Optionally: LCD indication for flow rate or flow total.
DB40 - Thermal mass flowmeter and counter for gasses - insertion version for large pipe diameters
practically independent of pressure and temperature variations
of the medium
robust construction
materials: stainless steel and glass
max. pressure: up to 50 bar
max. temperature: -30...+110 °C
mounting: by means of weld-on boss G 1/2 onto pipe
for pipe sizes from DN25 (1") up to DN600 (24")
max. flow velocities:
92,7 m/s, 185 m/s oder 224 m/s
supply voltage: 24 VDC
LCD-indication for flow rate and flow total optionally
output signals:
analog output 4...20 mA for flow rate,
pule output for flow total
DB41 - Thermal mass flowmeter and counter for gasses with integrated up- and downstream flow conditioners
practically independent of pressure and temperature variations of the medium
robust construction, with integrated up- and downstrean straight pipe runs
material: stainless steel and glass
max. pressure: up to 16 bar
max. temperature: -30...+80 °C
process connections:
1/4" ...1 1/2" G or NPT
measuring ranges:
0,8-90 Nl/min ... 1,8-400 Nm³/h Gas

supply voltage: 24 VDC
LCD-indication for flow rate and flow total
output signals:
analog output 4...20 mA for flow rate,
pulse output for flow total
DU04 - Precision ultrasonic flowmeter for liquids
independent of viscosity, pressure, and density
practically no pressure loss
materials: brass / stainless steel (in preparation)
max. Druck: 200 psi / 14 bar
measuring ranges:
0.18-15 ... 4.96-400 GPM
0,72-60 ... 18-1500 l/min
bidirectional, with optional status signal for determination of flow direction
output signal:
4...20 mA, 2 wire
accuracy: +/- 0,75% f.s.
DM01 - Compact magnetic inductive flowmeter
Independent of viscosity, density, pressure, or temperature.
Practically no pressure loss.
Smallest dimensions.
Wetted parts: Delrin / stainless steel.
Max. pressure: 6 bar.
Ranges:
1-5 ... 10-200 l/min.
Min. conductivity: 20 µS/cm.
Ouput signal:
Flow proportional frequency output.
Accuracy: +/- 1,5% of actual measured value.
DM10 - Magnetic inductive flow meter
Suitable for all conductive media.
For pipe diameters from 1" to 24".
Compact version or separate sensor and electronic available.
Cladding: polyurethane, hard rubber or PTFE
Process connections: flanges to DIN or ANSI, PN10...PN40.
Microprocessor controlled electronic with self-diagosis. Indication of flow rate and total, analogue output 4-20 mA, programmable pulse, alarm or status output.
FS00 - Low-cost float level switch
Easy installation.
Mercury free electromechanical switch, therefore suitable for potable water as well as for heavily polluted media.
High switch rating, 10 (8) A, 250 V.
With N/O, N/C, and SPDT switch functions.
Float weight and 5, 10 or 20 m of cable available.
Different cable materials depending on medium.
FS10 - Float level switch for vertical mounting
materials: Buna, PVC, brass, stainless steel.
max. pressure:
580 psi / 40 bar
max. temperature:
176 °F / 80 °C, optionally 356 °F / 180 °C.
process connections:
1/8"...2" male thread, NPT or G
1"...2" tank fitting, NPT or G
1"...4" flanges to ANSI or DIN
min. medium density: 0,5 kg/l.
max. guide tube length: 200" / 6 m.
FS11 - Float level switch for side mounting
Materials: Buna, PVC, PP, brass, stainless steel.
Max. pressure: 25 bar
Max. temperature: 180 °C
Process connection:
3/8" male, tank connector R1" or R2".
Min. medium density: 0,7 kg/l.
Max. guide tube length: 1 m.
FS14 - Miniature plastic float level switch for side mounting
Material: PP or Nylon.
Max. temperature: 110 °C.
Process connection: R 1/4" male, 1/2" NPT male.
Min. medium density: 0,7 kg/l.
FS15 - Miniature stainless steel float level switch for side mounting
Robust design, only one moving part.
Material: all stainless steel.
Process connection: R 1/8" male, 1/2" NPT male, G 1/2 male.
Min. medium density: 0,7 kg/l.
FS20 - Bypass float level switch for mounting outside of vessel
Material: Aluminium / brass or completely stainless steel.
Process connection: Ermeto 10 or weld-on connector 12 x 2 mm (for stainless steel unit) .
Switchpoint adjustable by changing the mounting position of the switch.
100% full or empty monitoring possible.
FK01-FKE - Conductive level switch
Low-Cost version.
Easy mounting screw electrodes.
Elektrode relays for HIGH or LOW alarm, and for pump control.
FK10 - Conductive level switch
Single- or multi electrode systems(up to 5 electrodes)
Simple mounting
Process connection and housing from Delrin, PP, PTFE or stainless steel
Electrode rods from stainless steel, titanium, Hastelloy B or C
Polyamide- or Halar coating
Electrode relay for alarm or for pump control see data sheet FK01 / FKE
FK11 - Conductive level switch with rope
Single- or multi electrode systems(up to 5 electrodes)
Simple mounting
Process connection and housing from Delrin, PP, PTFE or stainless steel
Electrodes from stainless steel
Cable with PTFE coating
Electrode relay for alarm or for pump control see data sheet FK01 / FKE
FK12 - Conductive level switch for food applications
Single- or multi electrode systems(up to 5 electrodes)
Simple mounting
Stainless steel or plastic housing
Process connection: hygienic fitting to DIN 11851, DN25...DN50
or G 1/2 to G 1 1/2 AG with hygienic weld-in boss
Electrode rods from stainless steel, titanium, Hastelloy B or C
Polyamide- or Halar coating
Electrode relay for alarm or for pump control see data sheet FK01 / FKE
FK14 - Conductive level switch with integrated elektrode relay
Available with one, two or three electrodes
Simple mounting
Process connection and housing from Delrin, PP, PTFE or stainless steel
Electrode rods from stainless steel, titanium, Hastelloy B or C
Polyamide- or Halar coating
Output signal: relay or transistor switch output for alarm or pump control
Supply voltage: 24 VDC or 230 VAC

Optionally with hygienic weld-in boss for food applications
FCS01 - Capacitive level switch
for level detection of liquids, slurries, and solids as well as for foam detection.
Process connection: G 1 male or 3/4" NPT male.
Material: Ryton or Kynar (PVDF).
Supply voltage: 10...33 VDC.
1 switch output
Approvals:
Overflow protection according to WHG,
Ex-Approval according to ATEX II 1 GD
FUS01 - Ultrasonic level switch for solid and liquid media
Non-contact level monitoring.
Switching range:
up to 3 m for solids, up to 5 m for liquids.
2 adjustable relay contacts.
FUS10 - Ultrasonic level switch for liquid media
Non-contact level monitoring.
5 switching ranges:
60...500 mm to 600...6000 mm.
2 programmable NPN or PNP contacts.
Electrical connection: cable or plug M12
FOS01 - Compact optoelectronic level switch
No moving parts.
Occupies practically no space within the tank.
With cable or plug connection.
FOS02 - Optoelectronic level switch with variable sensor length
No moving parts.
Adjustable switch point.
Immersion lengths up to 2000 mm.
FHS01 - Static pressure level switch with 4 switch points
PVC, PP or EPDM versions available
No moving parts
Switch points individually adjustable
High switching precision
Suitable for aggressive, viscous or polluted media
Switching range up to 10 m
Output signal: 4 limit switches
FF03 - Heavy duty rotating vane level switch for solids
Robust cast aluminium housing.
Easy mounting.
Suitable for MIN and MAX alarms.
Longer vane shaft optionally available.
High temperature version up to 350 °C available.
Output signal: SPDT relay with very high switch rating ( 2 A / 250 V).
FF04 - Membrane level switch for solids
flush with tank wall, occupies no space in the tank
suitable for MIN or MAX alarm.
membrane made of Neoprene, Viton or stainless steel
high temperature version up to 392 °F / 200 °C available
output signal: SPDT relay with very high switch rating ( 15 A / 250 V)
FN04 - Level transducer for continous level measurement
Independent from foam, conductivity, pressure or temperature.
Measurement of interface between two liquids with different densities.
Hygienic version with Tri-Clamp connection available.
Signal converter for remote monitoring optionally.
FNM01 - Magnetostrictive level transducer for continous level measurement
High precision measurement system, resolution <0.1 mm.
Independent of foam, conductivity, pressure or temperature.
Analog output 4...20 mA.
Ex-version available (EEx ia IIC T5/T4).
FB01 - Miniature bypass level indicator and transducer
Simple, robust and virtually unbreakable construction.
Standpipe diameter only 40 mm.
Large variety of process connections.
Level indication without auxilliary power supply.
Material: all wetted parts stainless steel
Optional level transducer and level switches available.
Ex-version according to ATEX Ex II 2G optionally.
FB04 - Universal bypass level indicator and transducer
Simple, robust and virtually unbreakable construction.
Material: stainless steel, PVC, PP, PVDC, PTFE.
For operating pressures up to 400 bar and operating temperatures from -160 °C to +450 °C.
Large variety of process connections.
Level indication without auxilliary power supply.
Optional level transducer and level switches available.
High-Tech magnetostrictive level transducer optionally.
Ex-version according to ATEX Ex II 2G.
FUM10 - Compact ultrasonic level sensor
Non contact level measurement without mechanical components
Easy calibration by means of TEACH-IN method
5 measuring ranges:
60...500 mm to 600...6000 mm
Output signal: 4-20 mA or 0...10 V
Electrical connection: cable or plug M12
FHM01 - Static pressure level sensor with analogue output signal
Stainless steel or plastic versions available
No moving parts
Adjustable measuring range
High accuracy
Suitable for aggressive, viscous or polluted media
Measuring range up to 10 m
Output signal: 4-20 mA, 2 wires
FT01 - Immersion depth level sensor
Easy installation.
Suitable for polluted media because of large measurement membrane.
Range:
0...0.1 to 0...25 bar
(0..1 to 0...250 m WC).
Output signal: 4-20 mA (2 wire) or 0...10 V (3 wire)proportional to liquid level.
TSA06 - Electronic temperature sensor with LED indication and analogue output signal
Measuring ranges:
-50...+200 °C to -200...+600 °C
Materials: wetted parts from stainless steel, housing from stainless steel
Process connection: G 1/2 male thread
Insertion length: 50...200 mm,
other lengths on request
Ouptut signals:
1 or 2 transistor switch outputs,
analogue output 4...20 mA
Indication: LED, red
TFK01 - PT-100 temperature sensor
Compact design.
All wetted parts stainless steel.
Different shaft lengths and diameters.
Process connections fixed or adjustable along stem, G or NPT 1/4" or 1/2" male.
Output signal: PT-100, 2, 3 or 4 wires.
Integrated transmitter with 4...20 mA or 0...10 V output.
TF04 - Heavy duty temperature sensor with mounting assembly to DIN 43770
Various mounting heads, shaft lengths and diameters.
All wetted parts stainless steel.
Process connection: straight shaft, G, NPT and metric threads, Tri-Clamp, hygienic fittings.
Ranges: -200...+1200 °C.
Output signal: PT-100, 3- or 4-wire,
thermoelement type K, J, R, S.
Integrated transmitter with 4...20 mA output.
TEM01 - Temperature sensor with cable connection
Measuring element PT100, thermoelement type K.
Sensor housing from stainless steel or Inconel.
cable from PVC, silicone, Teflon, glass fiber.
Measuring ranges: up to 600 °C
TZ04 - Gas filled dial thermometers
Sizes from 63 to 250 mm diameter.
Housing material black painted steel or stainless steel.
With directly mounted stem or with capillary.
Sensor element and process connection configured individually.
Ranges: from -200...50 to 0...800 °C.
Scales in °C or °F
Limit switches or analog output signals optionally.
Accuracy: 1.6%, 1% or 0.6% f.s.
Various accessories (temperature recorders etc) available.
PMR02 - Bourdon tube pressure gauge, diameter 63 mm
Ranges from 0...0.6 bar to 0...1600 bar and -1..+0.6 bar to -1...+15 bar.
Brass or stainless steel versions.
With or without glycerine filling.
Process connections: G 1/4 bottom or back.

Short delivery times, even for special versions.
PMR04 - Bourdon tube pressure gauge
diameter:
4" / 100 mm
6.3" / 160 mm
9.8" / 250 mm
accuracy class 1.0
ranges from -30 inHG…0 psig / -1…0 bar
up to 0…25000 psi / 0…1600 bar
brass or stainless steel versions with or without glycerine filling available

process connection: G or NPT 1/2" bottom or back
versions with front or back ring or with clamp for panel mounting available
options: alarm contacts, analog output, special scales, special connections

short delivery times, even for special versions
PMR06 - Test pressure gauge
Diameter 160 or 250 mm.
Accuracy class 0.6.
Ranges from -1200...0 mbar to 0...1600 bar.
Brass or stainless steel versions with or without glycerine filling available.
Process connection: G or NPT 1/2" bottom or back.
Versions with front or back ring or with clamp for panel mounting available.

Short delivery times, even for special versions.
PMK04 - Pressure gauge with capsule measuring element
Ranges from 0...25 mbar to 0-600 mbar and -25..0 mbar to -400...+200 mbar.
Stainless steel round housing:
Connection brass or stainless steel.
Measuring element: copper alloy or stainless steel.
Optionally with glycerine filling.
Rectangular housings from plastic:
72x72mm, 96x96 mm, 144x144 mm,
144x72 mm, 192x96 mm
Process connection:
G 1/4 bottom or back connection for dia. 63 mm, G1/2 for dia. 100 and 160 mm.
G 1/2 back for rectangular housings.

Short delivery times, even for special versions.
PMP04 - Diaphragm pressure gauge
Ranges from -1200...0 mbar to 0...400 mbar and -1..0 bar to -1...+40 bar.
Housing stainless steel.
Upper and lower flange from aluminium or stainless steel.
Process connection G 1/2 bottom.
Flanges DN25, DN50 DN64 or ANSI.

Short delivery times, even for special versions.
PDS02 - Low-Cost pressure gauge with membrane sensing element for differential and gauge pressure
for non-aggressive gases
measuring ranges from 0...60 Pa to 0...30 kPa
housing diameter 114 mm
for panel or wall mounting
housing made of cast aluminum
process connections: 2 x 1/8" NPT female on side and on back each.
PDR02 - Dual Bourdon tube pressure gauge for relative or differential pressure
two separate measuring systems
ranges from -1..0 bar to 0..1600 bar
housing diameter 100 or 160 mm
all mounting versions
completely welded design
housing stainless steel, wetted parts stainless steel
process connections: 1/2", 3/8", 1/4" G or NPT
PDR04 - Differential pressure gauge with two coupled Bourdon tube measuring systems
two coupled measuring systems for direct indication of differential pressure
ranges from 0...0.6 bar to 0..16 bar
static pressure approx. 4 x measuring range
housing diameter 100 or 160 mm
all mounting versions
fully welded design
housing stainless steel, wetted parts stainless steel
process connections: 1/2", 3/8", 1/4" G or NPT
optional limit switches available
PDP02 - Differential pressure gauge with diaphragm and two measuring chambers
Low-cost version
with two measuring chambers divided by a diaphragm
measuring ranges from 0...0.6 bar bis 0..16 bar
static pressure 20 bar
overload protection approx. 4 x measuring range (max. 20 bar)
housing diameter 100 or 160 mm
all mounting versions
housing stainless steel, wetted parts stainless steel, seals Viton or PTFE
process connections: 1/2", 3/8", 1/4" G or NPT
PS00 - Low cost pressure switch
Switching ranges from -800...-20 mbar to 50...200 bar.
Contact rating max. 42 V, max. 5 A.
Adjustable switchpoint.
Process connection G 1/8 and G 1/4.
Electrical connection: flat or angled connector.
PSA06 - Electronic pressure switch with LED indication and analogue output signal
Switching ranges:
-1...+2 bar to -1...+10 bar,
0...2 bar to 0...700 bar.
Materials: wetted parts from stainless steel, housing from stainless steel.
Process connection: G 1/4 male.
Ouptut signals:
1 or 2 transistor switch outputs,
analogue output 4...20 mA or 0...10 V
Indication: LED, red.
PS05 - Pressure switch for non-aggressive liquids and gases
Switching range:
1...16 mbar to 16...63 bar.
Materials: wetted parts from brass or stainless steel, membrane from NBR.
Process connection: G 1/2 male.
Output: 1 microswitch (SPDT)
(2nd microswitch optionally)
PS06 - Vacuum pressure switch for liquids and gases
Switching ranges:
-15...+6 mbar to -1...+0,1 bar.
Materials: wetted parts from brass or stainless steel.
Membrane from NBR.
Process connection: G 1/2.
Output: 1 microswitch (SPDT),
(2nd microswitch optionally).
PS07 - Differential pressure switch for liquids and gases
Switching ranges:
4...25 mbar to 3...16 bar.
Materials: wetted parts from aluminium or stainless steel.
Membrane from NBR.
Process connection: 2 x G 1/4 female.
Output: 1 microswitch (SPDT),
(2nd microswitch optionally)
PS08 - Pressure switch for aggressive media with stainless steel sensor system
Switching ranges:
-250...+100 mbar to 3...16 bar.
Option: adjustable hysteresis.
Materials: wetted parts from stainless steel 316 TI.
Process connection: G 1/2 male.
Output: 1 microswitch (SPDT),
(2nd microswitch optionally).
PS12 - Electronic miniature pressure switch
switch ranges:
-0,9...-0,1 to 30...600 bar
2 set points, independently adjustable
adjustable hysteresis
materials: wetted parts stainless steel, brass and Cu/Ni alloy
process connection: G or NPT 1/4 male, M10x1, M12x5x1.
ouput signals:
1 or 2 transistor switch outputs
PUM01 - Low cost pressure sensor for OEM applications
Ranges from 0...1 bar to 0...1000 bar.
Absolute or gauge pressure.
Material: wetted parts stainless steel.
Process connection: 1/4" male thread.
Output signal: 4-20 mA or 0-10 V.
Accuracy: 1 % f.s.
PUM02 - Heavy duty pressure sensor
Ranges:
0...0,1 bar to 0...2500 bar and -0,1...0 bar to -1...+5 bar.
Absolute or gauge pressure.
Material: wetted parts stainless steel.
Process connection: G 1/2 or G 1 male thread.
Optional flush front membrane.
Output signal: 4-20 mA or 0...10 V.
Accuracy: 0.5% f.s.
PUM03 - High precision pressure sensor
Ranges:
0...0,25 bar to 0...2500 bar,
-0,25...0 bar to -1...+5 bar.
Absolute or gauge pressure.
Materials: wetted parts stainless steel.
Process connection: G 1/2 or G 1 male thread.
Optional front flush membrane.
Output signal: 4-20 mA or 0...10 V.
Accuracy: 0.25% f.s.
PUM50 - Miniature pressure sensor for OEM applications
Measuring ranges:
0...1 bar to 0...600 bar.
Material: stainless steel.
Process connection: G or NPT, 1/4" or 1/2" male thread.
Output signal: 4-20 mA or 0...10 V.
Accuracy: +/- 1% f.s.
SB02 - All metal flow limiter
Flow limitation without auxiliary power supply.
Compact design.
Brass or stainless steel versions.
Saves energy by limiting the flow of liquids to the necessary flow rate .
Flow rates: factory set from 1 to 30 l/min.
SB03 - All metal flow limiter for large flows, with or without flow housing
Flow limitation without auxiliary power supply.
Brass or stainless steel versions.Process connections: G 3/4 to G 3.
Saves energy by limiting the flow of liquids to the necessary flow rate.
Flow rates: factory set from 1 to 390 l/min.
SF00 - Strainer
Compact design.
Bronze, brass or stainless steel version available
Process connection: G 1/4 female to G 4 female
Mesh size: 0.25 mm, 0.5 mm, 1 mm
SF01 - Strainer with magnetic separator
Compact design.
Bronze, brass or stainless steel version available.
Process connection: G 1/2 female to G 3 female.
Mesh size: 0.6 mm
SF02 - Fine filter for liquids or gases
Compact design.
Housing polypropylene, filter cup nylon transparent.
For pipe sizes from 1/8" bsp to 3/4" bsp.
Mesh size 5 ... 300 µm.
SNV01 - Needle valve
Compact design.
Material: brass or steel
Process connection: G 1/8 to G 2 female.
Max. pressure: up to 200 bar.
Max. temperature: up to 350 °C
SNV02 - Stainless steel needle valve
Materials: all stainless steel 1.4571 (AISI 316 TI).
Packing from PTFE or graphite.
Process connection: G or NPT 1/8" to 2" both sides female, inlet side female / outlet side male or both sides male.
Max. pressure: PN 250 or PN400.
High pressure version up to 630 bar.
Max. temperature: up to 250 °C
SKG01 - Ball valve with treaded connection
Material: brass or stainless steel.
Process connection: from G 1/4 to G 2,
female/female or female/male.
2- or 3-way design.
Max. pressure: up to 64 bar.
Max. temperature: up to 180 °C.
SKG02 - Ball valve with flanged connection
Materials:
standard version from cast iron or stainless steel,
compact version from cast steel or stainless steel.
Process connections: from DN15 (1/2") to DN200 (8"),
flanges to DIN or ANSI or wafer type.
Max. pressure: up to 40 bar.
Max. temperature: up to 180 °C.
SKP - Pneumatic actuator for ball valves
mounted on ball valves models SKG01 and SKG02
With single or double acting actuator.
Options: solenoid control valves, limit switches.
SKE - Electrical actuator for ball valves
mounted on ball valves models SKG01 and SKG02
Supply voltage: 24 VDC or 230 VAC.
Options: manual operating lever, limit switches.
DSxx-A - Analogue transmitter for flowmeter DS01...DS08
for mounting on flowmeters and switches models DS01 through DS08.
Good repeatability.
Output signal: 4...20 mA or 0...10 V.
Supply voltage: 15...30 VDC.
MSR - Contact protection relay
For protection of Reed contacts.
Single relay, double relay or pump control relay.
Integrated voltage supply 24 VDC.
SKF - Intrinsically safe contact protection relay
Single or dual channels
Control loop intrinsically safe to ATEX EX II (1) G D, EEx ia IIC
Output: 1 SPDT relay
Supply voltage: 230 VAC, 115 VAC, 24 VDC
IFMA - F/I converter
Converts frequency signals into analogue signals
Input: all standard sensors with frequency output
Frequency range: up to 25 kHz
Output: 0...5 V, 0...10 V, 0...20 mA or 4...20 mA, fully progammable
Supply voltage: 9...32 VDC or 85...250 VAC
AZ01 - Attachable indicator for 4-20 mA - Sensor
Suitable for all sensors with 4-20 mA output signal and plug connection to DIN43650.
Fast and easy programming.
State of the art microprocessor electronic.
Without auxilliary power requirement, supplies itself from 20 mA current loop
SGIA - Universal indicator and control unit for panel mounting
Compact design, 48x24 mm.
4-digit LED indication.
Input signals: 0(4)-20 mA, 0-1, 0-10 V, frequency input, PT-1000, KTY-87-205.
Output signals: 2 transistor limit switches, serial interface RS-485.
Supply voltage: 24 VDC.
AZ10 - Multi purpose indicator and control unit
For panel mounting, 48 x 96 mm.
4 or 5-digit LED indication.
Counter (sum or differece) or rate meter versions available.
16 point linearization.
Inputs for voltage, current, resistance, thermoelements, PT-100, or frequency.
2 or 4 alarm outputs.
Analog or pulse output freely programmable.
RS-232, RS-485, Profibus-DP-Interface.
Optional auxilliary supply voltage for sensor.
AZ260 - Miniature digital indicator for frequency signals
For panel mounting, 36x72 mm.
8-digit LCD indication for rate and total.
2 counter inputs, max. input frequency 10 kHz.
Unit of measurement displayable (l/min, m /h etc.).
Programmable scaling factor from 0,0001 to 99,9999.
Power supply: battery operated or 24 VDC.

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