PRODUCT OVERVIEW - Pressure & Temperature
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PRESSURE SWITCHES
MECHANICAL PRESSURE SWITCHES (PRESSOSTATS)
The mechanical pressure switches from Trafag are outstanding for their compact design and high-precision micro-mechanics specially developed and manufactured by Trafag itself. These switches can be installed in any position and need no electric power, making them particularly versatile in application and fully site-independent.
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Product programe
The following information provides an initial programme overview. The individual product features are not freely combinable with one another. Further information can be obtained by consulting Trafag product catalogues and data sheets.
Pressure measurement sensors
Piston
For hydraulic applications with frequent switching and abrupt pressure changes.
Metal bellows
For fine control of pressure in liquid, vapor, and gaseous media.
Membrane
For the measurement of liquid, vapor, and gaseous media in applications with high switching frequency, abrupt pressure changes and where a high level of overpressure safety is required.
Housings
Aluminum housings, some epoxy coated, seawater resistant. With or without vision panel for switchpoint indicator.
Methods of pressure measurement
Gauge pressure measurement (also in vacuum)
Single-point or differential pressure measurement
Pressure ranges (values given in bar)
Differential pressure measurements
- -1...6
- -1...8
- -1...12
- -1...18
Gauge pressure measurements
- 0.02-0.25
- 0.03-0.4
- 0.03-0.06
- 0.05-1
- 0.6...3.4
- 0.9...1.5
- 0.2...1.6
- 0.2...2.5
- 0...4
- 0...6
- 1...10
- 1...16
- 2...25
- 4...40
- 6...60
- 10...100
- 16...160
- 25...250
- 40...400
- 60...600
Pressure connection
Pressure connection in brass, stainless steel or aluminum with. for instance, the following female threads:
- G1/8"
- G1/4"
- M10x1
- M12x1.5
Micro-switch models
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Various switching capacities
- Verschiedene Schaltdifferenzen Various differential gaps (fixed value or adjustable)
- Gold-plated switching contacts
- Versions for enhanced vibration stability |
Switchpoint settings
For standard products, the switchpoint is set by the user. On request, Trafag carries out setting of the switchpoint in line with the specifications of the customer. In such a case, the devices can be supplied complete with calibration certificate upon request.
Electrical connections
All pressure switches are equipped with a clamp or plug-in connection.
Temperature ranges (°C)
Operating temperatures: 0...80/-30...65/-20...70/-25....85/ -40....125
Media temperatures: 0...80/-40...85/-30...100/-25...120/ -15...150/-40...150
IP protection rating
IP65
Special approvals
Various certifications such as Ex, Shipbuilding, Railways
Accessories
There is a large choice of accessories such as pressure connector adaptors, pressure peak pulsation dampers, snubbers, etc.
» Download data sheet Diagnostic Valve Block H72361
» Download data sheet Accessories H72258
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