Double Cylinder Quick Close Check Valve

Double cylinder quick close check valve known as quick close non return valve which installed on the pipeline of steam turbine hgih pressure cylinder exhaust or each exhaust ID to protect turbine set from load shedding or opertaion failure. Extraction non return valve we provided with swing disc check valve type and operated by pneumatic actuator. Pneumatic Actuator can be installed on top enter or side enter as well as double cylinder on both side. The valve will be quick colsed by pneumtic actuator when emergency happened within 0.5 second. Valve size is from 4" to 48" matching with pressure from class 150 to class 2500.