Hydraulically Operated Variable Clearance Pocket Capacity control Stepped

Hydraulically Operated Variable Clearance Pocket

Capacity control > Stepped control Cylinder unloading Volumetric control > Stepless control Speed control (VSDS) Volumetric control manually operated Reverse flow control By-pass control

HOVCP versus other ways of capacity controls

Lower cost compared to > Reverse flow control Extra flow losses Higher discharge temperatures Extra loads on the suction valve plates > Speed control by VSDS > By-pass control

Capacity Control and Clearance Volume

Design description > Hydraulic cylinder and piston > Custom sized clearance pocket

Hydraulic Operated Variable Clearance Pocket

Power pack assembly > Hydraulic reservoir > Filter > Non-return valves > Electrical operated valves > Pneumatic feed pump > Modular design

Advantages > High efficiency & loss-free > Easy and quick installation > Remote controlled > Accurate > Position can be visualised > No electrical cables > No negative effects on suction valves > Easy to disconnect during maintenance > Simple construction

Thomassen Compression Systems bv As a service technology centre TCS service department is your partner for specialist services on your valuable reciprocating- and rotating equipment