Hy-power Clamps Pvt. Ltd. Offers Single Acting Push Type Block Cylinder. Hy-power Clamps Pvt. Ltd. Is an ISO 9001:2000 registered company. Single Acting Push Type Block Cylinder is very compact, due to the integral construction. Single Acting Push Type Block Cylinder is versatile, i.E. It can be mounted in many different ways. This cylinder is also available in double acting version. The maximum operating pressure of this cylinder is 200 bar.