... Pieces Cast Steel Body2. Trunnion Mounted Ball, Full Bore3. Anti-static Device4. Blow-out Proof Stem5. Fire Safe Design6. Emergency Sealant Injector7. Vent Valve ... Equipment Co., LTd. , founded in 1989, located in Oubei Town, Yongjia, Wenzhou, Zhejiang, China, It is a professional valve manufacturing enterprise, which integrates ...