Main Types
Wellhead Gate Valve
- Function: Wellhead on/off
- Application: Christmas Tree
- Standard: API 6A
- Pressure: Up to 20,000 psi
Choke Valve
- Function: Pressure/flow control
- Application: Wellhead, test manifold
- Feature: Adjustable orifice
- Anti-erosion: Tungsten carbide
Flat Gate Valve
- Function: High pressure manifold
- Application: Fracturing, drilling
- Feature: Large bore, low pressure drop
- Standard: API 6A
Technical Specifications
| Parameter | Range |
|---|---|
| Size Range | 1-13/16" - 7-1/16" (Wellhead sizes) |
| Pressure Class | 2,000 - 20,000 psi (API 6A) |
| Temperature Range | -60°C to +345°C (API 6A temp class K-X) |
| Body Materials | AISI 4130, 410SS, F6NM, Inconel |
| Seal Materials | Stellite 6/21, Tungsten Carbide, PTFE |
| End Connections | API flange, Threaded, Clamp hub |
| Design Standards | API 6A, API 6D, NACE MR0175 |
| Testing | API 6A PSL 1-4, PR 1-2 |
Industry Applications
- Wellhead: API 6A gate valve, choke — 4130/410SS
- Fracturing: Flat gate valve, gate valve — F6NM
- Water Injection: Check valve, gate valve — 4130
- Separator: Safety valve — 4130/316SS
- Storage Tank: Safety valve — Carbon steel
Need Oilfield Valve Solutions?
Our engineering team can recommend the optimal oilfield valve for your application. API 6A, NACE MR0175 certified.
Email: info@chlgvalve.com Call: +86-15601794339