Natural Gas service
Service Selection
Gate Valves for Natural Gas Service
Which gate valves configuration suits Natural Gas, in which material, to which standard — from real service data, with the pitfalls flagged.
Which gate valves for Natural Gas?
ASME Class 300/600 gate valve - Block and bleed at compressor stations and offtakes Typical service window: 0.1 bar (distribution) to 150 bar (HP transmission), Ambient to 80°C.
Recommended Configurations
ASME Class 300/600 gate valve
Block and bleed at compressor stations and offtakes
Body Material for Natural Gas
Rated from real compatibility data - click any material for the full decision page.
Governing Standards for Natural Gas Service
What to Avoid in Natural Gas Service
- Non-fire-safe valves in any natural gas service
- Copper-alloy valves for high-H₂S sour gas
- Globe valves for mainline pipeline isolation
Service Considerations
- PNGRB approval required for all CGD network valves in India
- Cathodic protection required for buried valve assemblies
- Pig launcher/receiver: full-bore API 6D valve with launcher body dimensions
- Sour gas (H₂S > 0.05 mol%): NACE MR0175 hardness limits for all wetted parts
Other valve types for Natural Gas
Gate Valves for other services
Reviewed by Process Engineering, Vajra Industrial SolutionsDiscipline: Process & Fluid Service EngineeringLast reviewed: 20 June 2026
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