The technical parameters of Fisher 167DA-85 are as follows:
Connection specifications
Ports A and C: 1/4 or 1/2 NPT
Vent and control pressure connection (port D) and port B**: 1/4 NPT
Pressure parameters
Maximum inlet pressure: 400 psig (27.6 bar)
Maximum supply pressure: 125 psi
Spring A/C pressure range: 40-125 psi
Spring B pressure range: 40-90 psi
Temperature range
Standard bolts: -20 to 180°F (-29 to 82°C)
Stainless steel bolts: -40 to 180°F (-40 to 82°C)
Fluorocarbon (FKM) seals: 0 to 300°F (-18 to 149°C)
Other parameters
Pressure recording method: Internal
Approximate weight: 1.2 lbs (0.5 kg)