API 11AX cobalt alloy valve balls and valve seats
Sucker rod pumps valve balls and valve seats are widely used in oil fields , their performance directly affects the use effect and service life of the pumps.
Materials have stainless steel, ceramic, hard alloy (tungsten carbide), and can meet the needs of various well conditions., with advantages of high hardness, wear resistance, corrosion resistance.
Specifications of Valve Ball & Valve Seat for API Sucker Rod Pump:
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"
|
Features:
1) Castings of main alloys: cobalt-base alloy, nickel -base alloy and stellite alloy
2) Available forms: end product or blank
3) Properties: good resistance against corrosion and oxidation
4) Main application: extensively used in petrochemical industry, marine exploration, heat exchanger and pump
5) Processing: investment casting, sand casting
Materials for Balls and Seats
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 |
stellite valve seat
1. High strength, high wear resistance, high precision, 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 compatible 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. Compatible high precision valve seats can also be made.