The Hydraulic Shut-Off valve with twin cylinders features a push-pull operation by two 2.5” bore hydraulic cylinders. The valve body is rated at a nominal concrete working pressure of 1500psi (103bar). The sliding shut-off plate has two hardened steel rings to provide a seal between the stationary and moveable valve plates. Valves that use 148mm ends have a maximum pressure rating of 85bar (1233psi). Consult factory for 6” valve specifications.