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Diaphragm pressure switch FX
bellowsBourdon tubedifferential

diaphragm pressure switch
diaphragm pressure switch
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Characteristics

Technology
diaphragm, bellows, Bourdon tube
Pressure type
differential, relative
Material
stainless steel
Protection level
explosion-proof, SIL
Other characteristics
increased safety
Process temperature

Max.: 150 °C (302 °F)

Min.: -40 °C (-40 °F)

Pressure range

Max.: 1,000 bar (14,503.77 psi)

Min.: -1 bar (-14.5 psi)

Description

Ranges: » From -1 to 1000 bar (relative pressure) » From 0 to 100 bar (differential pressure) Case: 316 Stainless Steel Sensing element: » stainless steel bellows » NBR, FKM or EPDM diaphragm » Stainless steel bourdon tube Switches : 1 or 2 change over (SPDT) Options: » Increased safety housing (ATEX/IECEx) » Intrinsic Safety (soon) » SIL capability (soon) Characteristics Gauge, absolute or differential pressure control Temperature control:direct bulb or through capillary Electrical contact or pneumatic signal output Protection for areas involving an explosion risk (ATEX) Explosion-proof enclosure Intrinsic safety Increased safety Explosion-proof contact Constructional safety AppLICATIoNS thermal or nuclear energy generation the oil industry, from drilling to refining chemical and petrochemicals natural or liquefied gas transport and storage gas supercharging gas, steam or hydraulic turbines diesel engines, pumps and compressors shipbuilding for merchant or military navy steam circuits, furnaces and burners rail transport braking safety silos water treatment Working Principle The pressure or temperature is applied to the sensing element (SE), whose position then changes, acting on the flexible arm (FA). The force produced in this way is balanced by the spring (RS). This is how the set point is adjusted. As the set point is approached, the change in forces disturbs the balance (FA) and acts on the contact. A second spring (DBS) acting on the flexible arm (FA) increases the deviation of the switch(es).
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.