H77X-16 ordinary spherical ductile iron ball plate spray coating for clamp type check valve

H76H/H76X Double Disc Check Valve CF8 Heavy Body

H77X clamp type soft seal double disc check valve CF8

H71H clamp check valve

H74H clamp check valve

German standard lift check valve H41H WCB

American standard check valve WCB H44H-150

American standard check valve WCB H44H-300

Fluorine lined butterfly valve D371F46

Fluorine lined butterfly valve D341F46

Butterfly valve D343H-16C

Butterfly valve D373H-16C