Description. Research Control Valve Specification. Size: 3/4"~1-1/4". Design Pressure: PN160. Connection: NPT, GB. Control Mode: Electric Regulating Type, Electric Switching Type. Structure: Needle ...

The ‘pinching’ arm is raised and lowered by an RC Car servo. When the valve is in the closed position, the servo does not need to continually apply pressure, the servo is powered down and the ...