GVNR-RW-1161暗桿閘閥
   部件名稱            材料
   閥體                鑄鐵：ASTMA126CL.B
   楔式閥板            CI ASTM A126 CL.B三元乙丙橡膠包覆
   閥板螺帽            青銅：ASTM B62 C3600/不銹鋼：AISI 420
   O型圈               丁晴橡膠/三元乙丙橡膠
   閥板                黃銅ASTM B16 C3600/不銹鋼：AISI420
   閥蓋                鑄鐵：ASTM A126 CL.B
   止推墊圈            聚四氟乙烯
   立柱安裝板          鑄鐵:ASTM A126 CL.B
   操作螺帽            鑄鐵:ASTM A126 WCB