H44TC陶瓷止回阀

H76H凸耳对夹式止回阀

H72H对夹升降式止回阀

H74H/H74W/H74Y对夹单瓣旋启式止回阀

H46H对夹双瓣旋启式止回阀

H41H、H41W升降式止回阀

H76H/H76X/H76WH76H对夹双瓣旋启式止回阀

H71H/H71WH71H对夹升降式止回阀

H77H/H77W/H77X对夹蝶型止回阀

D71 D72 D77 D76对夹式止回阀

H42H/W立式止回阀

H44H旋启式止回阀