API Standard mud pump liner metal sleeve 

Mud pump parts:
Liners: Hy- chrome Mud Pump Liner, chrome-plated Liner, Hardened Steel Liner
Valve and seat: Premium Cross Arms Valve and seat, Full open Valve and seat, Valve Spring
Piston and piston rods; Long-life Bonded Piston with Rubber and Fabric, Long-Life bonded Piston with Urethane, Replacement Piston, Piston Hub, Piston Rod, Plate, Snap Ring
Other parts: Crosshead, Upper and Lower Crosshead Guide, Extension Rod, Piston Rod Clamp, Threaded Ring, Linder End Cover, Valve Pot Cover, Valve Guide, Cylinder Head, Cylinder Head Plug, Cap, Linder Seal, Valve Cover Gasket, Cylinder Head Gasket and etc.

Parts are available for these popular pump models:

BOMCO/Emsco Mud Pumps: F-1300, F-1600, FB1300, FB1600, F-800, F-1000, F-500, F-350, dB-550, DA-700, FA-1600/1300, FC-2200, D-300/500, D-375, D-700,

Ideco Mud Pumps: T-500, T-800, T-1000, T-1300, T-1600,

National Mud Pumps: 7P50, 8P80, 9P100, 10P130, 12P160, N1300, C-250, K-700, 14-P-220, E-700/G-1000, K-500, K-380, K-500A/700A, C-250/350, JWS-400,

Gardner Denver Mud Pumps: PZ7, PZ8/9, PZ10/11, FK-FXK, FY-FXD, FD-FXX, FG-GXG, FG-FXG, KG-KXG, FQ-FXQ, FF-FXF, FF-FXP,

Oilwell Mud Pumps: A-560/600-PT, A-850-PT/A-1100-PT, A-1700-PT/A-1400-PT

Wirth Mud Pump: TPK1000, TPK1600, TPK 2000

Russian Pumps: UNBT-950, UNB-600, 8T-650 and so on
Ellis Williams: E-447, E-2200

And other brand spare parts for WIRTH, OPI, Ellis Williams, Wilson, Gaso, Skytop/Brewster.

Bimetal Liners
The b-metal liner is composed of two layers and fixed tightly. The outer sleeve is forged steel with abrasion resistance, it adapts the technology of centrigugal forging;  the inner sleeve is high chromium iron with wear&corrosion resistance, after heat treatment, the hardness of it can reach to a lever of 62 RC.
The bimetal liners produced by us strictly control the tolerance, assure the easy installation, inner sleeve is highly polished with abrasion&corrosive resistance, can used in various bad working environment with longer service life. 
Liner Outer Sleeve: 45#forged steel, tensile strength is σb>610MPa, yield strength is σs>450MPa, ,elongation hardness is §>17%,hardness is HRC180-200
Liner Inner Sleeve: high chromium cast iron (centrifugal forged). Annealing hardness is HRC≤40. Quenching hardness is HRC59-67
Chemical 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%;

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