Hydrochloric Acid (HCl) service
Service Selection
Ball Valves for Hydrochloric Acid (HCl) Service
Which ball valves configuration suits Hydrochloric Acid (HCl) (HCl), in which material, to which standard — from real service data, with the pitfalls flagged.
Which ball valves for Hydrochloric Acid (HCl)?
PTFE-lined ball valve - Gold standard for HCl - inert lining, no metal contact with fluid Typical service window: Atmospheric to 16 bar, Ambient to 60°C typical.
Recommended Configurations
PTFE-lined ball valve
Gold standard for HCl - inert lining, no metal contact with fluid
Body Material for Hydrochloric Acid (HCl)
Rated from real compatibility data - click any material for the full decision page.
Governing Standards for Hydrochloric Acid (HCl) Service
What to Avoid in Hydrochloric Acid (HCl) Service
- Carbon steel or ductile iron bodied valves
- Any SS 304 or 316 in contact with fluid
- Bronze, brass, copper alloys
Service Considerations
- Toxic - ISO 15848 Class A or B fugitive emission requirement
- All vents must go to scrubber
- No copper alloy in any gasket, stem packing, or instrument connection
- Dilution generates significant heat
- Vapour phase is as corrosive as liquid - valve bonnet must be lined
Other valve types for Hydrochloric Acid (HCl)
Ball Valves for other services
Reviewed by Process Engineering, Vajra Industrial SolutionsDiscipline: Process & Fluid Service EngineeringLast reviewed: 20 June 2026
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