Corrosion Resistant Valve Gate for Wellhead
Product Description
Adopting high-quality alloy steel as the base material, our valve gates undergo strict forging, precision CNC machining and advanced surface treatment processes. Equipped with professional HVOF (High Velocity Oxygen Fuel) thermal spray coating technology, they form a high-density, high-hardness protective layer on the surface.
These valve gates are specially designed to adapt to harsh working conditions such as ultra-high pressure, abrasive corrosion, frequent switching and extreme temperature differences. They maintain stable sealing performance and structural integrity during long-term operation, effectively ensuring the safety, continuity and efficiency of oil and gas production and transportation systems, and are ideal matching parts for high-performance slab gate valves.
Product Specifications
|
Type |
Slab Valve Gate |
|
Nominal Diameter |
1-13/16"/ 2-1/16"/ 2-9/16"/ 3-1/16"/ 3-1/8"/ 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, oil-gas mixture, corrosive petroleum fluid, high-pressure water |
|
Material |
High-strength alloy steel (4130, 4140), stainless steel (304, 316), customized alloy materials available |
|
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) |
|
Coating Thickness |
0.03-0.5mm (Customizable) |
|
Processing Technology |
Precision forging + CNC precision machining + HVOF coating + Fine grinding |
|
Machining Tolerance |
Comply with international industrial precision standards, ensuring perfect assembly with valve bodies |
|
Matching Valves |
Specialized for slab gate valves, wellhead valves, oil extraction tree valves and pipeline control valves |
Product Features
Selected high-quality alloy steel with excellent tensile strength, impact resistance and structural stability, not easy to deform under high pressure.
Advanced thermal spray technology endows the surface with ultra-high hardness, outstanding wear resistance and corrosion resistance, far superior to traditional surface treatment.
CNC precision machining and fine grinding ensure flatness, smoothness and dimensional accuracy, achieving zero-leakage sealing effect.
Perfectly resist high pressure, abrasive wear, chemical corrosion and frequent switching, suitable for harsh oilfield and petrochemical environments.
Excellent wear resistance and stability greatly reduce replacement frequency, lower equipment maintenance costs and improve operational efficiency.
Optimized structural design and high-precision surface guarantee stable and reliable sealing during long-term use.
Support customized production of various sizes, materials and coatings according to customer drawings, samples and working condition requirements.
Each product undergoes professional inspection of dimensions, hardness, coating adhesion and sealing performance to ensure stable and reliable quality.
Product Packaging
Inner: Anti-rust protective bag
Outer: Fumigation-free plywood box or carton
Shockproof, damp-proof and rust-resistant, guaranteeing safe sea transportation.
Product Transportation
● Sea Freight
● Land & Rail Transportation