I'm tasked with designing a lift system for a frame that goes around the outside of a 12" x 18" rectangular structure. Due to budgetary constraints, we don't have many choices and a pneumatic system

Refer to API 618 capacity of reciprocating compressors could be controlled by unloading device, clearance pocket and spillback control valve.

Recently we have faced a problem in operation of our ethylene refrigerant compressor. Although the compressor is working below full capacity, turbine governor valve is fully opened but steam flow is 1

I've been researching available hydraulic valves for a transmission control application. The need is for proportional (PWM) control of pressure in a clutch slave cylinder. It's not a standard clutch,

My question is this, if this zero float valve system saves on horsepower just how much horsepower does it take to work the conventional poppet valve system? Say on a 6 cylinder engine each cylinder ha