Dwyer Zero Center Ranges magnehelic differential pressure gauge 2300-1KPA 2300-2KPA 2300-2.5KPA 2300-3KPA
Dwyer Zero Center Ranges magnehelic differential pressure gauge 2300-1KPA 2300-2KPA 2300-2.5KPA 2300-3KPA
OVERPRESSURE PROTECTION
Blowout plug is comprised of a rubber plug on the rear which functions as a relief valve by unseating and venting the gage interior when over pressure reaches approximately 25 psig (1.7 bar). To provide a free path for pressure relief, there are four spacer pads which maintain 0.023˝ clearance when gage is surface mounted. Do not obstruct the gap created by these pads. The blowout plug is not used on models above 180˝ of water pressure, medium or high pressure models, or on gages which require an elastomer other than silicone for the diaphragm. The blowout plug should not be used as a system overpressure control. High supply pressures may still cause the gage to fail due to over pressurization, resulting in property damage or serious injury. Good engineering practices should be utilized to prevent your system from exceeding the ratings of any component.
Die cast aluminum case is precision made and iriditedipped to withstand 168 hour salt spray corrosion test. Exterior finished in baked dark gray hammerloid. One case size is used for all standard pressure options, and for both surface and flush mounting.
Silicone rubber diaphragm with integrally molded O-ring is supported by front and rear plates. It is locked and sealed in position with a sealing plate and retaining ring. Diaphragm motion is restricted to prevent damage due to
overpressures.
Samarium Cobalt magnet mounted at one end of range
spring rotates helix without mechanical linkages.
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