Buried gas flat gate valve
The Buried Gas Flat Gate Valve is specifically engineered for underground gas transmission and distribution systems. Featuring a full-port slab gate design, anti-corrosion coating, and extended stem structure, it ensures safe operation, low pressure loss, and dependable sealing performance. Ideal for natural gas networks, urban gas infrastructure, and energy pipeline projects.
Buried gas flat gate valve
The Buried Gas Flat Gate Valve is a through-conduit isolation valve designed for direct underground installation in gas transmission and distribution pipelines. Its full-bore structure allows unrestricted flow and supports pipeline pigging operations.
The valve body is protected with advanced anti-corrosion coatings and can be equipped with an extension stem for convenient operation from ground level. Designed to meet stringent gas industry standards, it provides reliable sealing, long service life, and minimal maintenance requirements.
As a professional industrial valve manufacturer, we provide complete OEM and ODM solutions for gas transmission and distribution projects.
Our Buried Gas Flat Gate Valves are manufactured according to international gas pipeline standards and quality systems.
Buried gas flat gate valve
| Parameter | Specification |
|---|---|
| Product Name | Buried Gas Flat Gate Valve |
| Nominal Size | DN50 – DN1200 (2" – 48") |
| Pressure Rating | PN16 – PN250 |
| ANSI Class | Class 150 – Class 1500 |
| Body Material | Carbon Steel, Forged Steel, Stainless Steel |
| Gate Material | Stainless Steel, Alloy Steel |
| Seat Material | Soft Seat / Metal Seat |
| Connection Type | Flanged, Butt Welded |
| Operation | Manual, Electric, Pneumatic, Hydraulic |
| Temperature Range | -46°C to +200°C |
| Sealing Type | Bi-directional Sealing |
| Leakage Standard | API 598 / ISO 5208 Class A |
| Design Standard | API 6D, API 600, ASME B16.34 |
| Coating System | Epoxy Coating / Fusion Bonded Epoxy (FBE) |
| Piggable Design | Yes |
| Applicable Media | Natural Gas, LNG, LPG, Non-Corrosive Gas |
Buried gas flat gate valve
Widely used in municipal gas transmission and distribution systems for reliable underground flow isolation.
Suitable for long-distance natural gas transportation pipelines and compressor station facilities.
Applied in gas storage terminals, LNG receiving stations, and LPG distribution networks.
Used in large-scale energy transmission projects requiring buried installation and long-term reliability.
Suitable for industrial parks, manufacturing facilities, and centralized gas supply networks.
Supports piggable pipeline systems for cleaning, inspection, and maintenance activities.
Material customization plan
Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.
Structural optimization design
For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.
Interface standard adaptation
Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.
