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Natural gas systems operate under demanding pressure, temperature and safety conditions across gas production, processing, transmission, storage and distribution. Valves are essential for reliable isolation, flow control and safe operation throughout the gas value chain.
High Pressure Service
Natural gas pipelines and processing systems can operate at high pressures, requiring robust valve construction and reliable sealing performance.
Flammable & Hazardous Media
Natural gas is highly flammable, making leakage prevention, reliable shut-off and safe valve operation critical to system safety.
Low Temperature Conditions
Gas processing and transportation may involve low-temperature service, requiring suitable materials and sealing systems to maintain reliable performance.
Leakage & Emission Control
Reliable sealing and low-emission valve designs help minimize gas leakage and support safer and more environmentally responsible operation.
Material selection depends on pressure, temperature, gas composition, service conditions and applicable standards.
|
Application |
Recommended Materials |
Key Advantage |
|
General Natural Gas Service |
Carbon Steel / Stainless Steel |
Strength and reliable performance |
|
High Pressure Service |
Forged / Cast Carbon Steel |
High pressure capability and mechanical strength |
|
Low Temperature Service |
Low-Temperature Carbon Steel / Stainless Steel |
Improved low-temperature performance |
|
Corrosive or Sour Gas |
Stainless Steel / Special Alloys |
Enhanced corrosion and sour-service resistance |
|
Sealing Components |
PTFE / PEEK / Metal Sealing Options |
Reliable sealing under specific service conditions |
|
Parameter |
Typical Conditions |
|
Medium |
Natural Gas / Process Gas / Sour Gas |
|
Pressure |
Low to High Pressure |
|
Temperature |
Low to High Temperature |
|
Pipe Size |
Small to Large Diameter |
|
Pressure Class |
ASME Class 150–1500+ |
|
Flow Characteristics |
Clean / Dry / Wet / Sour Gas |
|
Operation |
Manual / Pneumatic / Electric / Hydraulic |
Actual valve selection depends on gas composition, pressure, temperature, pipeline size and applicable project standards.
High-Pressure Capability
Robust valve construction and reliable sealing solutions are designed for demanding natural gas pressure conditions.
Reliable Shut-off
High-integrity sealing solutions help provide dependable isolation and minimize the risk of gas leakage.
Low-Temperature Solutions
Suitable materials and sealing systems can be selected for low-temperature natural gas applications.
Safety-Focused Design
Valve configurations can be engineered to meet demanding safety requirements for flammable and hazardous gas service.
Customized Engineering
Valve materials, pressure class, sealing system, actuation and configuration can be customized according to specific project requirements and applicable standards.
Hangzhou Kaiwei Valve Group Co, Ltd, established in 2015, is a cutting-edgeindustrial enterprise that specializes in the R&D, design, casting, production,and sales of fluid control products and services
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