Kit consists of: Diaphragm, Two discs, Two molded disc assemblies, Two seat O-rings, RV O-ring, Two piston O-rings, RV stem O-ring, Flow tube O-rings and Cover O-ring.

• 组件包括:隔膜,两个阀瓣,两个模制阀瓣总成,两个阀座O形环,RV O形环,两个活塞O形环,RV阀杆O形环,流量管O形环和阀盖O形环。