They are used where the stroke is large, and the installing distance or total length is short.

They are double acting or single acting. Its features are reasonable in structrue, reliable in operation, convenient assembly and disassembly, easy in maintenance. Its working pressure, working stroke, installing distance, use stages, all kinds of stroke and rod diameter can be desighed according to the user's requirements. Even the multi-stage equal-pushing-force cylinder desigh and manufacture is available.