Gold Member Since 2010
Audited Supplier
Puyang Zhongshi Group Co., Ltd.

Tungsten Carbide Valve Ball and Valve Seat, Stellite Valve Balls and Valve Seats, V11-175 Stellite Valve Ball and Valve Seat manufacturer / supplier in China, offering Tungsten Carbide API Valve Balls and Valve Seats, API 11ax Cobalt Alloy Valve Pairs Stellite Valve Ball and Seat, API 11ax Pump Parts Valve Pair Valve Ball and Seat and so on.

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Supplier Homepage Product Tubing pump Tungsten Carbide API Valve Balls and Valve Seats

Tungsten Carbide API Valve Balls and Valve Seats

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Qingdao, China
Production Capacity: 2000PCS/Month
Payment Terms: T/T, Western Union, Money Gram

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Basic Info
  • 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
Product Description
                                             tungsten carbide API valve balls and valve seats

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.
 Tungsten Carbide API Valve Balls and 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,
Tungsten Carbide API Valve Balls and Valve Seats
 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, 
3.corrosion resistant.
4.Stainless Steel, Tungsten Carbide, Titanium Carbide, Cobalt Alloy  are the main material.
Tungsten Carbide API Valve Balls and Valve Seats
some parameters for reference:


seat size:

ball size:






Material:  stainless steel, ceramic,  tungsten carbide:
 1. Stainless Steel: API symbol A1 
 2. Cobalt Alloy: API symbol B2 
 3. Ceramic
 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.

A1Stainless Steel
Ball: HRC 58-65
Seat: HRC 52-56
UNS 41000-UNS 44000
B1Cobalt Alloy, Cast
Ball: HRC 56-63
Seat: HRC 50-56

Cobalt, chromium, and
tungsten alloy
Cobalt Alloy, Powder

Ball: HRC 53-60
Seat: HRC 51-57

Cobalt, chromium, and
tungsten alloy
C1Tungsten Carbide
Ball: HRA 88-89
Seat: HRA 88-89.5

Tungsten with Cobalt
C3Titanium Carbide
Ball: HRA 89-90.5
Seat: HRA 89-90.5

Tungsten and titanium carbide
with cobalt binder
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Ms. Molly Wei
sales manager
To: Ms. Molly Wei

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