valve assembly for mud pump

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Features: 1. API Spec 7K standard design 2. Normal service life not less than 800h; 3. High performance cost ratio; Valves and Seats Details We provide all kind of style valves and seats, including full open valve and seat, 3web valve and seat, 4 web valve and seat. All valve and seat are made from high quality forged alloy steel, carburized for the wear surface to reduce maintenance costs and prolong service life. The insert is made of a tough polyurethane material which combats the wear and abrasion that the mud pump valves and seats subjected to. Bi-metal Liner Liner outer sleeve : 45# steel ,tensile strength is σb>610MPa, yield strength is σs>450 MPa,elongation hardness is δ>17%hardness is HRC180-200C Liner inner sleeve :high chromium cast iron (centrifugal forged) Annealing hardness is HRC ≤40 Quenching hardness is HRC59-67 Chmeical Composition C 2.8%-3.1% Cr 26%-28% Si 0.6%-0.9% Mn 0.5-1% Mo 0.5%-0.8% S,P<0.05% Bi-metal Liner is fitting Mud pump model :F800/1000,F1300/1600,SL3NB-1300A,F1600HL , 3NB-1300C PZ6/7 PZ8/9 PZ10/11 9P100/10P130 12P160 T1000 T1300/1600 UNB600 NBT600 UNBT950 UNBT1180L UNBT1180 8T310 8T650

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Baoji city E.ton oilfiled machinery Co.,ltd

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