ST Valve Ball and Seat

ST Valve Ball and Seat

Category:

Description

The valve ball and seat is a important part of the oil field mining pump, its using directly decides the service life of pump.According to the corrosion characteristics of oil, oil Wells can provide different material

We can produce the API 11AX ball and seat in materials stainless steel AISI440C and hard alloy (tungsten carbide and STELLITE), with advantages of high hardness, wear resistance, corrosion resistance.

Each of our ball-and-seat combination is vacuum tested to ensure a perfect seal is obtained in all positions of contact.

Materials:

CODE INSTRUCTION HARDNESS MATERIAL
SS Stainless steel Ball: HRC 58-65
Seat: HRC 52-56		 9Cr18Mo(AISI440C)
6Cr18Mo(AISI440A)
ST Cobalt alloy casting Ball: HRC 56-63
Seat: HRC 50-56		 Cobalt, chromium and tungsten alloy
ST Cobalt alloy, powder metallurgy Ball: HRC 53-60
Seat: HRC 51-57		 Cobalt, chromium and tungsten alloy
TC Tungsten carbide Ball: HRA 88-89
Seat: HRA 88-89.5		 Tungsten with cobalt adhesive
ZrO2 Ceramic ZrO2 HV 900-1300 ZrO2

Size Table：

Type Fluid, mm2 Dш, mm D, mm d mm H, mm
V11-106 107 15.8750 20.142 11.68 12.70
V11-125 153 19.0500 23.317 13.97 12.70
V11-150 227 23.8125 29.667 17.02 12.70
V11-175 345 28.5750 35.255 20.96 12.70
V11-225 569 34.9250 43.688 26.92 12.70
V11-250 869 42.8625 51.054 33.27 12.70
V11-375 1623 57.1500 78.029 45.47 19,05

Application:

Valve balls and seats are used in the manufacture of valves of submersible sucker-rod pumps, a check valve used for oil and gas production. Valve balls and seats are the most critical parts of the pump, because it is subject to the greatest chemical and mechanical stress.

Packing:

Related products