Technical Parameters Parameter Specification Model Fisher CAV4 Type Constant Bleed Volume Booster / Relay Pressure Ratio 1:1 (Standard) Supply Pressure Range 20 to 100 psig (1.4 to 6.9 bar) Input & Output Signal Range Typically 3 to 15 psig (0.2 to 1.0 bar) or 3 to 27 psig (0.2 to 1.9 bar)，取决于弹簧范围。 Constant Bleed Rate Approximately 0.25 SCFM (0.42 m³/hr) at 20 psig supply. Flow Capacity (Cv) Approximately 1.4 Body Material Aluminum Connection Size 1/4" NPT (Input, Output, and Supply) Operating Temperature -40°F to 180°F (-40°C to 82°C) with standard Buna-N seals. Mounting Panel mount or directly onto a valve actuator/positioner bracket.
