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API V11 AX Cobalt base Valve Ball and Seat,Cobalt Alloy Valve Seat Insert,cobalt alloy V11 Cobalt Alloy
Valve Ball EB0007
Application and Advantage:
1. Valve balls and valve seats are widely used in oil fields.
2. Valve Ball and Seat performance directly affects the use effect and service life of the sucker rod pumps.
3. Each ball-and-seat combination is vacuum tested to ensure a perfect seal is obtained in all positions of contact.
Chemical component:
| Co | Cr | W | C | Others |
| Base | 29-33 | 11-14 | 2.0-2.7 | Ni, Fe, Si, Mn |
Size of Valve Ball and Seat:
| API No. | V11-106 | V11-125 | V11-150 | V11-175 | V11-200 | V11-225 | V11-250 | V11-375 |
| Valve Seat Size | 1-1/16" | 1-1/4" | 1-1/2" | 1-3/4" | 2" | 2-1/4" | 2-3/4" | 1-1/16" |
| Valve Ball Size | 5/8" | 3/4" | 15/16" | 1-1/8" | 1-1/4" | 1-3/8" | 3-3/4" | 2-1/4" |