Valve and Seat stem-guided valve & cross-arms .... body and insert while the rigid seat cross-arms give greater strength and positive sealing.The strong, thick, valve knock off nut holds the insert....
Qingdao Hongbo Petroleum Machinery Co., Ltd. ( HB) specializes in manufacturing and developing mud pump fluid end expendables for customers worldwide. HB s products have equivalent quality with....
Piston Our premium pistons are fully .... pump strokes. This Fail-Safe piston seals off to greater diameter as liner wears HB offers a full line of piston replacements including Piston Hubs....