Jianqiao Valve Industry Group Co., Ltd. Jianqiao Valve Industry Group Co., Ltd.
High pressure gas flat gate valve

High pressure gas flat gate valve

High pressure gas flat gate valve
High pressure gas flat gate valve
High pressure gas flat gate valve

High pressure gas flat gate valve
High pressure gas flat gate valve
High pressure gas flat gate valve

High pressure gas flat gate valve

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The High Pressure Gas Flat Gate Valve is engineered for demanding gas transmission and distribution applications. Featuring a full-port slab gate design and precision-machined sealing surfaces, it ensures low pressure loss, dependable bi-directional sealing, and safe operation under high-pressure conditions. Ideal for natural gas pipelines, compressor stations, LNG facilities, and petrochemical plants.

High pressure gas flat gate valve

The High Pressure Gas Flat Gate Valve is specifically designed for natural gas and industrial gas pipeline systems operating under high pressure. Its through-conduit full-bore design minimizes flow resistance while allowing pigging operations for pipeline maintenance.

Manufactured from high-strength forged steel, carbon steel, or stainless steel materials, the valve provides exceptional pressure-bearing capability and corrosion resistance. The advanced sealing structure ensures leak-tight performance, making it suitable for critical gas transmission infrastructure.

Key Features

  • High-pressure gas service design
  • Full-port through-conduit flow passage
  • Excellent bi-directional sealing performance
  • Low pressure drop and flow resistance
  • Suitable for piggable pipeline systems
  • High-strength forged steel construction
  • Long service life and low maintenance
  • Fire-safe design available
  • Anti-static device optional
  • Compatible with manual and automated actuators

OEM & Customization Capabilities

As a professional valve manufacturer, we provide comprehensive OEM and ODM services for global gas pipeline projects.

OEM Service Scope

  • Custom valve sizes (DN50–DN1200)
  • Pressure ratings up to Class 2500
  • Custom face-to-face dimensions
  • ANSI, API, DIN, JIS, BS flange standards
  • Customer logo casting and engraving
  • Anti-corrosion coating customization
  • Actuator integration services
  • Project-specific material selection
  • Third-party inspection and testing
  • Customized export packaging

Customizable Options

Body Materials

  • Carbon Steel
  • Forged Steel
  • Stainless Steel
  • Duplex Stainless Steel
  • Low Temperature Carbon Steel (LCC)

Operation Types

  • Manual Gear Operated
  • Electric Actuator
  • Pneumatic Actuator
  • Hydraulic Actuator

Optional Features

  • Fire-safe design
  • Anti-static device
  • Double block and bleed function
  • Emergency sealant injection
  • NACE MR0175 compliance
  • Cryogenic service design
  • Intelligent actuator control
  • Buried service extension stem

Certifications

Our High Pressure Gas Flat Gate Valves are manufactured and tested according to international standards.

  • ISO 9001 Quality Management System
  • API 6D Pipeline Valve Standard
  • API 600 Gate Valve Standard
  • API 598 Inspection & Testing Standard
  • CE Certification
  • PED 2014/68/EU
  • ISO 15848 Fugitive Emission Certification
  • NACE MR0175 / ISO 15156 Compliance Available
  • SIL Certification (Optional)
  • ATEX Certification (Optional)
  • EAC Certification
  • SGS / BV / TUV Third-Party Inspection Available

High pressure gas flat gate valve

 

Parameter Specification
Product Name High Pressure Gas Flat Gate Valve
Nominal Size DN50 – DN1200 (2" – 48")
Pressure Rating PN100 – PN420
ANSI Class Class 600 – Class 2500
Body Material Forged Steel, Carbon 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
Fire Safe Design API 607 / API 6FA Optional
Piggable Design Yes
Applicable Media Natural Gas, LNG, LPG, Industrial Gas

High pressure gas flat gate valve

Natural Gas Transmission Pipelines

Used in long-distance high-pressure natural gas transportation systems requiring reliable shut-off and low pressure loss.

Gas Compressor Stations

Suitable for compressor stations, pressure regulating stations, and gas metering facilities.

LNG & LPG Facilities

Applied in LNG receiving terminals, gas storage facilities, and liquefied gas distribution systems.

Oil & Gas Production

Widely used in gathering systems, processing plants, and oilfield gas transmission pipelines.

Petrochemical Industry

Suitable for industrial gas transportation, hydrocarbon processing, and refinery utility systems.

Urban Gas Distribution Networks

Provides secure isolation and control for municipal natural gas transmission and distribution infrastructure.

Energy Infrastructure Projects

Ideal for large-scale gas pipeline construction, energy transportation projects, and critical utility systems.

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%.

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