... Eccentric Hard Seal Butterfly ValveDescription:VRW330 Serial Eccentric Hard Seal Butterfly Valve is characterized by ... operated2. Special requirement (paid service)Special examination of valve bodyMaterial checking, radioactivity inspection, low temperature test, ... valve bodyBenzolized oil, benzolized water Valve body and actuatorBased on requirements VRW330 Serial Eccentric Hard Seal Butterfly Valve ...