H32X-16T 黄铜水表止回阀
H41W-16T/H41X-16T 黄铜升降式缓闭止回阀
H72X-16T 黄铜消声止回阀
J11X-16T 黄铜手动放水阀
H12X016T 黄铜立式止回阀
H44W-16T 黄铜法半止回阀
H14W-16T 黄铜止回阀
J11W-16R/J11W-16P 不锈钢截止阀
J11W-20T/青铜截止阀
J41H-16C/铸钢法兰截止阀