Flange type gas gate valve with blow-off pipe
The Flange Type Gas Gate Valve with Blow-off Pipe is specifically designed for natural gas and industrial gas transmission systems. Equipped with an integrated blow-off pipe, it allows safe pressure release, drainage, and impurity removal during maintenance. The flanged connection ensures easy installation, while the robust gate structure delivers dependable sealing performance under demanding operating conditions.
Flange type gas gate valve with blow-off pipe
The Flange Type Gas Gate Valve with Blow-off Pipe is a high-performance isolation valve developed for gas transmission and distribution applications. The built-in blow-off pipe enables pressure equalization, condensate drainage, and impurity discharge, improving operational safety and maintenance efficiency.
Featuring a full-bore gate design and precision sealing surfaces, the valve minimizes pressure loss and provides reliable shut-off. The flanged connection allows convenient installation and replacement in pipeline systems.
As a professional industrial valve manufacturer, we offer comprehensive OEM and ODM solutions for gas transmission projects worldwide.
All valves are manufactured and tested according to internationally recognized standards.
Flange type gas gate valve with blow-off pipe
| Parameter | Specification |
|---|---|
| Product Name | Flange Type Gas Gate Valve with Blow-off Pipe |
| Nominal Size | DN50 – DN1200 (2" – 48") |
| Pressure Rating | PN16 – PN420 |
| ANSI Class | Class 150 – Class 2500 |
| Body Material | Carbon Steel, Forged Steel, Stainless Steel |
| Gate Material | Stainless Steel, Alloy Steel |
| Seat Material | Soft Seat / Metal Seat |
| Connection Type | Flanged |
| Operation | Manual, Electric, Pneumatic, Hydraulic |
| Temperature Range | -46°C to +200°C |
| Blow-off Function | Drainage, Venting, Pressure Relief |
| Sealing Type | Bi-directional Sealing |
| Leakage Standard | API 598 / ISO 5208 Class A |
| Design Standard | API 6D, API 600, ASME B16.34 |
| Fire Safe Design | API 607 / API 6FA Optional |
| Applicable Media | Natural Gas, LNG, LPG, Industrial Gas |
Flange type gas gate valve with blow-off pipe
Used in long-distance natural gas transportation systems requiring reliable isolation and safe pressure release functions.
Suitable for compressor stations, pressure regulating stations, metering facilities, and gas storage systems.
Applied in LNG receiving terminals, storage tanks, liquefied gas distribution systems, and gas processing plants.
Provides secure flow isolation, drainage, and maintenance support for municipal gas infrastructure.
Widely used in gathering systems, processing facilities, and high-pressure gas transmission pipelines.
Suitable for industrial gas handling systems requiring venting, blowdown, and maintenance operations.
Ideal for pipeline construction projects, gas transmission facilities, and critical utility networks.
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%.
