API Cobalt Alloy Valve Balls and Valve Seats

• Customization: Available
• Certification: ISO
• Surface Treatment: Chrome Plating
• Model NO.: V11-125/V11-175 /V11-225/V11-250
• Temperature: High Temperature
• Pressure: High Pressure
• Material: Stellite/Stainless Steel/Tungsten Carbide
• Model: V11-125/V11-175/V11-250
• Sample: Available
• ODM: Available
• Markings: Available
• OEM: Acceptable
• Standard: API 11ax
• Drawings: Available
• Transport Package: Wood Cases
• Specification: V11- 175/V11-225/V11-250
• Trademark: zhongshi
• Origin: Henan
• HS Code: 843143100
• Production Capacity: 10000PCS/Month

Product Description

cobalt-base alloys valve balls and valve seats for API sucker rod  pumps


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.
 

stellite material finished valve ball & valve seat for sucker rod pumps
The valve balls and valve seats are main components and parts of the sucker rod pump. 







 
 Specifications  of Valve Ball & Valve Seat for API 11AX Sucker Rod Pumps:

valve units main specifications  for reference:
 

API No.	Seat Size	Ball Size
V11-106	1-1/16"	5/8"
V11-125	1-1/4"	3/4"
V11-150	1-1/2"	15/16"
V11-175	1-3/4"	1-1/8"
V11-200	2"	1-1/4"
V11-225	2-1/4"	1-3/8"
V11-250	2-3/4"	1-1/16"
V11-375	3-3/4"	2-1/4"

Standard: API Spec 11AX










 
High Precission in Shape;
Strong corrosion resistance
Excellent mechanical property

Main Specifications for reference:

Dimensional Symbol	V11-106	V11-125	V11-150	V11-175	V11-200	V11-225	V11-250	V11-375
Ball-D +0.020/-0.010 (+0.51/-0.25)	15.88 (0.625in)	19.05 (0.75in)	23.83 (0.938in)	28.58 (1.125in)	31.75 (1.25in)	34.93 (1.375in)	42.88 (1.688in)	57.15 (2.25in)
Seat-ID   ± 0.050    (± 1.27)	11.68 (0.46in)	13.97 (0.55in)	17.02 (0.67in)	20.96 (0.825in)	24.38 (0.96in)	26.92 (1.06in)	33.27 (1.31in)	43.18 (1.7in)
Seat-OD +0.000/-0.005 (+0.00/-0.13)	20.14 (0.793in)	23.32 (0.918in)	29.67 (1.168in)	35.26 (1.388in)	37.54 (1.478in)	43.69 (1.72in)	51.05 (2.01in)	78.03 (3.072in)
Seat-H +0.020/-0.010 (+0.51/-0.25)	0.500 (12.70in)	0.500 (12.70in)	0.500 (12.70in)	0.500 (12.70in)	0.500 (12.70in)	0.500 (12.70in)	0.500 (12.70in)	0.750 (19.05in)

 
 
Materials: Stainless Steel, Tungsten Carbide, Titanium Carbide, Cobalt Alloy


Material:  stainless steel, ceramic,  tungsten carbide:
 

Symbol	Symbol	Hardness	Material
A1	Stainless Steel	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 tungsten alloy
B2	Cobalt Alloy, Powder Metal	Ball: HRC 53-60 Seat: HRC 51-57	Cobalt, chromium, and tungsten alloy
C1	Tungsten Carbide	Ball: HRA 88-89 Seat: HRA 88-89.5	Tungsten with Cobalt binder
C3	Titanium Carbide	Ball: HRA 89-90.5 Seat: HRA 89-90.5	Tungsten and titanium carbide with cobalt binder