LONGCHAO
Bi-metal Liner
1.Outer Hull:#45 steel forging, HB180-200 Hardness 2.Inner Sleeve:high chromium cast iron centrifugal casting, HRC≥60 3.HP lip design to prevent inner sleeve slippage 4.Surface finish of Inner Sleeve Ra0.05, much higher than API Standard Ra0.2
LONGCHAO
Zirconia Ceramic Liner
1. Outer Hull:#45 steel forging, HB180-200 Hardness 2. Inner Sleeve: Zirconia ceramic 3. HP design with shoulder-on-hull tp prevent inner sleeve slippage 4.Surface finish 4-8 RMS,Hardness HV 0.3 kg/mm-110/1200(92-94 Rockwell)
LONGCHAO
Fluid End Module
1. Material of Module: 35CrMo,40CrNiMo 2.Test Report:Raw Material Test Report, UT Test Report, Heat Treatment Report, Mechanical Property Test Report, hydrostatic test report, Magnetic Particle Test Report.
