旋启式304止回阀H44W-16P
316法兰止回阀H44W-16R(轻型)
304美标止回阀H44W-16P
旋启式铸钢止回阀H44H-16C(中型)
316旋启式止回阀H44W-16R
旋启式止回阀H44W-16C
不锈钢旋启式止回阀H44W-16P
美标止回阀H44W-16P
立式止回阀H42W-16P
国标旋启式止回阀H44W-16P
304旋启式止回阀H44W-16P
316L旋启式止回阀H44W-16RL
304旋启式软密封止回阀H44F-16P
304旋启式止回阀H44W-16P
304法兰止回阀H44W-16P(轻型)
316L美标止回阀H44W-16RL
铸钢旋启式止回阀H44H-16C(重型)
316旋启式止回阀H44W-16R
304旋启式止回阀H44W-16P
国标铸钢旋启式止回阀H44W-16C