High Pressure Wear Resistant Valve Gate for Oilfield
Product Description
API 6A standard valve gate is precision-engineered for gate valves in oilfield wellhead and Christmas tree systems. Forged from high-strength alloy steel or stainless steel, it features advanced thermal spray coating (cobalt-coated tungsten carbide, nickel-based tungsten carbide, cobalt-chromium tungsten alloy) for exceptional wear resistance, erosion resistance and corrosion resistance. With precision machining and optimized sealing structure, it ensures tight sealing performance under high pressure (2K-20K psi) and extreme temperature conditions. Compliant with API 6A specifications, available in PR1 and PR2 performance levels, it delivers stable operation, long service life and reliable compatibility for harsh oil and gas exploration environments.
Product Specifications
|
Nominal Diameter |
1-1/16"/ 2-1/16"/ 2-9/16"/ 3-1/8"/ 3-1/2"/ 4-1/16"/ 5-1/8"/ 6-5/8"/ 7-1/16"/ 9"/ 11"/ 13-5/8" |
|
Working Pressure |
2000psi(2K)/ 3000psi(3K)/ 5000psi(5K)/ 10000psi(10K)/ 15000psi(15K)/ 20000psi(20K) |
|
Media |
Crude oil/ Natural gas/ Oilfield wastewater/ Mud/ Water/ Oil-gas mixtures |
|
Material |
AISI 4130/ AISI 4140/ 316L/2205 Dual-phase Steel/2507 Dual-phase Steel |
|
Working Temperature |
-46℃ - +121℃ |
|
Hardness |
HRC75 |
|
Bonding Strength |
≥70MPa |
|
Porosity |
＜1% |
|
Surface Treatment |
Supersonic spraying of cobalt-bonded tungsten carbide (WC/Co)/cobalt-chromium-bonded tungsten carbide (WC/CoCr)/cobalt-chromium tungsten alloy (Stellite 20#/NiCr)/nickel-chromium-bonded chromium carbide (Cr₃C₂/NiCr)/nickel-based alloy (Ni60/Ni55)/nickel-based tungsten carbide (WC/Ni) |
Product Features
1. Ultra-high Coating Adhesion:
The coating is metallurgically bonded to the substrate, ensuring a strong and
non-detachable bond, suitable for high-pressure impact conditions.
The coating is metallurgically bonded to the substrate, ensuring a strong and
non-detachable bond, suitable for high-pressure impact conditions.
2. Extremely Dense Coating:
Extremely low porosity effectively blocks corrosive media, resisting cavitation and erosion.
Extremely low porosity effectively blocks corrosive media, resisting cavitation and erosion.
3. Ultra-high Hardness and Wear Resistance:
Surface hardness reaches HRC75, with wear resistance far exceeding ordinary
welding/electroplating processes.
Surface hardness reaches HRC75, with wear resistance far exceeding ordinary
welding/electroplating processes.
4. Excellent Corrosion Resistance:
Suitable for harsh oilfield media containing sulfur, chlorine, acids, and alkalis, meeting NACE MR0175 standards.
Suitable for harsh oilfield media containing sulfur, chlorine, acids, and alkalis, meeting NACE MR0175 standards.
5. High Dimensional Accuracy:
Precision grinding after spraying results in a high degree of surface flatness and stable, reliable sealing performance.
Precision grinding after spraying results in a high degree of surface flatness and stable, reliable sealing performance.
6. Extra-long Service Life:
Service life is 3-5 times longer than conventional valve gates, significantly reducing replacement and maintenance costs.
Service life is 3-5 times longer than conventional valve gates, significantly reducing replacement and maintenance costs.
7. Suitable for Harsh Conditions:
Perfectly matches API 6A standard valves, meeting the needs of high-pressure, high-temperature, and high-wear oil and gas field scenarios.
Perfectly matches API 6A standard valves, meeting the needs of high-pressure, high-temperature, and high-wear oil and gas field scenarios.
Product Packaging
Standard export packaging
Inner: Rust-proof bag
Outer: Fumigation-free plywood case / Carton
Safe for sea transportation, shockproof & rustproof
Inner: Rust-proof bag
Outer: Fumigation-free plywood case / Carton
Safe for sea transportation, shockproof & rustproof
Product Transportation
International Sea Transportation
Land / Railway Transportation
Land / Railway Transportation