止逆阀的型号和规格？

停止阀的型号和规格？

止回阀模型完整

H71X夹具升降止回阀，H71H

两板止回阀H76X、H76H、H77X

H42H静音止回阀，H42W

HH44H微阻止回阀、HH46H、HH49H

HC44X橡胶阀瓣止回阀

HC41H，HC41X，HC41X，HC41T

H41H升降止回阀，H41W

H444H旋转止回阀，H44W