Tungsten Carbide API Valve Balls and Valve Seats
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- Model NO.: V11-225
- Main Material: Stellite
- Material 2: Titanium Carbide
- Spec: V11-175/V11-225/V11-250
- Trademark: zhongshi
- Specification: V11-125/V11-175/V11-225/V11-250
- Sample: Available
- Material 1: Tungsten Carbide
- Material 3: Stainless Steel
- ODM: Acceptable
- Transport Package: Wood Cases
- Origin: Henan, China
Both are mainly used for the sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells and high pressure sulfur resistant oil wells, etc.
They are used with compatible cemented carbide valve seats.
1.Made by 100% original raw materials
2.Good abrasive resistance
3.After accurate grinding and polishing,the frictional factor of surface is very low.
4.Widely used in ball-bearing,seat valve, ball screws and flow meters.pen,spraying machines ,pump,machinery parts,oil,hydrochloric zcid lab,hardness measuring instrument,and so high-end industry.
5.Recommended grade: YG8,YG11,YG15,YS2T,YL10.2,other grade can be offered by customers' request.
For sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells,
high pressure sulfur resistant oil wells, compatible Cemented Carbide valve seats, etc.Various grades for
cemented carbide balls/pellets can be supplied according to customer's drawings.The surface finish,
tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry.
1. High strength, high wear resistance,
2.high precision, high temperature resistant,
4.Stainless Steel, Tungsten Carbide, Titanium Carbide, Cobalt Alloy are the main material.
some parameters for reference:
Material: stainless steel, ceramic, tungsten carbide:
1. Stainless Steel: API symbol A1
2. Cobalt Alloy: API symbol B2
4. Tungsten Carbide: API symbol C1
5. Nickel Carbide: API symbol C2
6. Titanium Carbide: API symbol C3
The valve balls and valve seats are main components and parts of the sucker rod pump.
Ball: HRC 58-65
Seat: HRC 52-56
|UNS 41000-UNS 44000|
|B1||Cobalt Alloy, Cast|
Ball: HRC 56-63
Seat: HRC 50-56
Cobalt, chromium, and
Cobalt Alloy, Powder
Ball: HRC 53-60
Seat: HRC 51-57
Cobalt, chromium, and
Ball: HRA 88-89
Seat: HRA 88-89.5
Tungsten with Cobalt
Ball: HRA 89-90.5
Seat: HRA 89-90.5
Tungsten and titanium carbide
with cobalt binder