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

API Valve Balls and Valve Seats, API Valve Pairs, V11 Valve Balls and Valve Seats manufacturer / supplier in China, offering Cobalt-Base Alloy Casting API V11-225 Valve Balls and Valve Seats, API Certificated Tungsten Carbide Valve Seat (valve ball and seat), API Spiral Blade Cast Aluminum Centralizer and so on.

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Supplier Homepage Product Sucker rod pump Cobalt-Base Alloy Casting API V11-225 Valve Balls and Valve Seats

Cobalt-Base Alloy Casting API V11-225 Valve Balls and Valve Seats

Purchase Qty.:
1-999 1,000-4,999 5,000+
FOB Unit Price: US $40 US $39.8 US $39
Purchase Qty. (Pieces) FOB Unit Price
1-999 US $40
1,000-4,999 US $39.8
5,000+ US $39
Get Latest Price
Port: Qingdao, China
Production Capacity: 10000PCS/Month
Payment Terms: T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: API V11-225/V11-175/V11-150
  • ODM: Available
  • Drawing: Available
  • Markings: Available
  • Transport Package: Wood Cases
  • Origin: Henan
  • Sample: Available
  • OEM: Available
  • Size: API V11 Serie
  • Trademark: zhongshi
  • Specification: API V11 series
Product Description
cobalt-base alloys casting API valve balls and valve seats

Product Description

1. High strength, hign wear resistance, high percision, good temperature resistance and good corrosion resistance.
2. Mainly used for the sealing of valves of oil pumps in petroleum industry`s containing wells, viscous oil wells, sea oil wells and high pressure sulfur resistant oil wells, etc.
3. Balls and seats are used with compatiable cemented carbide valve seats.
4. The finished surface, tolerance standard have reached the standards of the machine industry: G5, G10, G16, G40 and G100 of JB/T 9145-1999.
5. Precision machined cemented carbide balls of other grades and specifications are also available based on customers` demands.
6. Compatiable high precision valve seats can also be made.

Material for Balls and Seats
A1Stainless SteelBall:HRC 58-65
Seat:HRC 52-56
UNS 41000-UNS 44000
B2Cobalt Alloy ,CastBall :HRC 56-63
Seat:HRC 50-56
Cobalt,chromium,and tungsten alloy
B2Cobalt Alloy, Powder MetalBall:HRC 53-60
Seat:HRC 51-57
Cobalt ,chromium,and tungsten alloy
C1Tungsten CarbideBall:HRA 88-89
Seat:HRA 88-89
Tungsten with Cobalt binder
C3Titanium carbideBall:HRA 89-90.5
Seat:HRA 89-90.5
Tungsten and titanium carbide with cobalt binder

Vavle ball and valve seat advantage
1.We use 100% raw material to produce tungsten carbide products
2.It is with high hardness, good wear resistance and high toughness
3.We can offer any size tungsten carbide products
4.We proudce the product according to your requirements.

Specifications  of Valve Ball & Valve Seat for API Sucker Rod Pump:


Seat Size

Ball Size

V11-1251-1/4"        3/4"






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Ms. Molly Wei
sales manager
To: Ms. Molly Wei

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