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Product Overview
Fully welded buried ball valve is specially designed and manufactured for long-distance underground transmission pipelines of petroleum, natural gas and crude oil. The whole body adopts integral full welded structure, no leakage point, anti-rust, anti-corrosion and anti-subsidence. It can be directly buried underground without special maintenance for a long time.
Adopt full port reduced bore optional design, low flow resistance, stable medium transportation. Extended stem design adapts to underground buried depth, equipped with protection sleeve to prevent soil pressure and external damage. Suitable for outdoor buried pipeline engineering, long-distance oil & gas transmission station, pipeline trunk and branch line cut-off regulation.
Key Features
- Integral Fully Welded BodyOverall full welded construction, high structural strength, completely eliminate external leakage risk, resist ground settlement and pipeline deformation, suitable for long-term buried installation.
- Underground Buried DesignExtended valve stem with protective tube, meet different buried depth requirements; waterproof, moisture-proof, anti-corrosion, free of regular underground maintenance.
- Full Port & Low Flow ResistanceFull bore design ensures unobstructed pipeline flow, small pressure loss, no blockage for crude oil and viscous medium, ideal for oil and gas long-distance transportation.
- High Pressure & Temperature ResistanceStrict forging and casting process, stable performance under high pressure and outdoor harsh climate, good seismic and compression resistance.
- Reliable Sealing PerformanceAdopt high-performance anti-corrosion sealing material, wear-resistant and aging-resistant, achieve bubble-tight shutoff, ensure safe cut-off for oil and gas medium.
- Anti-corrosion CoatingOuter surface coated with special anti-corrosion epoxy coating, excellent resistance to soil corrosion, oxidation and moisture erosion, long service life underground.
Technical Characteristics
- Structure: Fully welded, buried type, fixed ball
- Connection: Butt welded end
- Bore type: Full port / Reduced port optional
- Operation: Manual extended stem, gear operated, pneumatic / electric actuator optional
- Medium: Natural gas, crude oil, petroleum, industrial gas
- Application: Long-distance buried pipeline, oil & gas transmission station, petrochemical pipeline network
Application Scope
- Long distance natural gas transmission pipelines
- Crude oil and petroleum product buried pipeline projects
- Petrochemical plant process pipeline network
- City gas pipeline distribution system
- Oilfield gathering and transportation pipeline system
- Industrial buried fluid transmission pipeline
Advantages
- Integral fully welded structure, zero external leakage
- Direct buried installation, save well chamber construction cost
- Strong anti-corrosion, anti-subsidence, anti-pressure capability
- Stable sealing, long service life, maintenance-free underground
- Low flow resistance, smooth delivery of crude oil and gas medium
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