JLH多功能三合一止回阀JLH

H41T-16铸铁升降式止回阀H41T-16

H71对夹单瓣升降式止回阀H71

H74对夹单瓣旋启式止回阀（超薄型）H74

H76凸耳对夹双瓣旋启式止回阀H76

CVKR大口径*止回阀CVKR

HH46X微阻缓闭蝶式止回阀HH46X

HQ45X微阻球形止回阀HQ45X

HH46X、HDH48X、HH49X微阻缓闭消声止回阀HH46X、HDH48X、HH49X

H41F46升降式衬氟止回阀H41F46

H40F46升降立式衬氟止回阀H40F46

H44F46衬氟旋启式止回阀H44F46