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GENTEC R77SL Diaphragm Back Pressure Valve from the United States
GENTEC R77SL Diaphragm Back Pressure Valve from the United States
Product details
R77SLSeries diaphragm back pressure valve, used to regulate upstream pressure, precise pressure control, suitable for special gases, corrosive gases, etc.
Structural characteristicsFeatures
hThe membrane and the matrix adopt a hard sealing form
hMother thread:1/4” NPT (F)
hMaximum adjustable pressure:250 psi
hMaximum work pressure:500 psi
hSafety pressure:1.5 Maximum input pressure multiplied by
hApplicable temperature:-40 ~ 74°C (-40 ~ 165°F)
hLeakage rate:2 x 10-8 atm.cc/sec He
hCVValue:0.08
hWeight:0.9 kg (2.0 lbs)
materialMaterials
hMother: Copper electroplating,316L
hValve seat:PCTFE，PTFE
hDiaphragm:316L
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