Description
Stellite 21 Valve Balls Metal Ball Valve Seats
Application and Advantage:
1. Stellite 21 Valve Balls Metal Ball 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 Composition of Stellite 21 Valve Balls Metal Ball Valve Seats:
Co | Cr | W | C | Others |
| Base | 29-33 | 11-14 | 2.0-2.7 | Ni, Fe, Si, Mn |
| 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″ |
Our Photos for Stellite 21 Valve Balls Metal Ball Valve Seats:
Our Experience
- 13 Year Experience in Heat-resistant Steel Field
- 18 Year Expertise in Wear-resistant Material Field
- 20 Year Customer-made High Quality Castings & Forgings
Trading Terms:
- The nearest seaport is Shanghai port
- The nearest airport is Shanghai Pudong airport
- Payment Terms are L/C,TT,West Union,Paypal
- Payment Condition is 50% before production, 50% before delivery against complete set of inspection report
- Supply Capability is 10,000 tons per year
- Sample Availability is yes
- Sample Time is 15-30 Days
- Packing is Plywood Cases or Steel Crates
- Delivery time is about 45 working days per 20 tons regular castings & forgings
- Service is OEM, ODM or Customized
1. 20-year Foundry Operation Experience.
2. Friendly & High Efficient Technical & Commercial Communication.
3. Professional Export Practices: Exported to +60 Overseas Countries.
