J11W-20T 青铜截止阀
J14W-16T 黄铜角式截止阀
T15F-16T 黄铜调节阀
J11W-16T 黄铜截止阀
J11F-16T 黄铜截止阀
J11F-16T 黄铜截止止回阀
J11W-16R/J11W-16P 不锈钢截止阀
J41H-16C 铸钢法兰截止阀
J41W-16T/J41X-16T 黄铜截止止回两用阀