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

API Valve Balls and Valve Seats, Cobalt Alloy Balls and Seats, Sucker Rod Pumps Valve Balls and Valve Seats manufacturer / supplier in China, offering API V11-175 Stellite Valve Balls and Valve Seats, API 10d Single Piece Pipe Casing Centralizers, API 5CT Conventional Single/Double Plug Cementing Head and so on.

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Supplier Homepage Product Sucker rod pump API V11-175 Stellite Valve Balls and Valve Seats

API V11-175 Stellite Valve Balls and Valve Seats

Purchase Qty.:
(Pieces)
1-1,999 2,000-4,999 5,000-7,999 8,000+
FOB Unit Price: US $30 US $29.8 US $29.5 US $29
Purchase Qty. (Pieces) FOB Unit Price
1-1,999 US $30
2,000-4,999 US $29.8
5,000-7,999 US $29.5
8,000+ US $29
Get Latest Price
Port: Qingdao, China
Production Capacity: 2000PCS/Month
Payment Terms: T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: API V11-225/V11-175/V11-150
  • Size: V11-175/V11-150/V11-225/V11-250
  • Drawing: Acceptable
  • OEM: Accptable
  • Trademark: zhongshi
  • Specification: V11-106/V11-125/V11-150/V11-175/V11-225/V11-250
  • HS Code: 843143100
  • Samples: Available
  • Material: Cobalt Alloy/Tungsten Carbide/ Stainless Steel
  • ODM: Available
  • Markings: Available
  • Transport Package: Wood Cases
  • Origin: China
Product Description
API  V11-175 Stellite Valve Balls and Valve Seats


Our ball-and-seat valves are designed and manufactured according to API 11AX Specification for Subsurface Sucker Rod Pumps and Fittings (current edition). Each ball-and-seat combination is vacuum tested to ensure a perfect seal is obtained in all positions of contact.

Available materials and qualities to be used in assemblies of the same or combined materials are as follows:

1. Stainless Steel: API symbol A1

2. Cobalt Alloy: API symbol B2

3. Tungsten Carbide: API symbol C1

4. Nickel Carbide: API symbol C2

5. Titanium Carbide: API symbol C3
main material  for reference:

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. 

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. 
 
 
They are used with compatible cemented carbide valve seats.

features:
 
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.

 

Symbol
SymbolHardnessMaterial
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
B2
Cobalt Alloy, Powder
Metal

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
binder
C3Titanium Carbide
Ball: HRA 89-90.5
Seat: HRA 89-90.5

Tungsten and titanium carbide
with cobalt binder
 

valve balls main specifications  for reference:
 

Size

Ball   Diameter (in)

API   Symbol

106

5/8

V11-106

9/16

ALT

125

3/4

V11-125

11/16

ALT

150

15/16

V11-150

7/8

ALT

175

1-1/8

V11-175

1

ALT

200

1-1/4

V11-200

1-1/8

ALT

225

1-3/8

V11-225

1-1/4

ALT

250

1-11/16

V11-250

1-1/2

ALT

325

2

V11-325

375

2-1/4

V11-375

2
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