Acetic Acid (CH₃COOH) service
Service Selection
Diaphragm Valves for Acetic Acid (CH₃COOH) Service
Which diaphragm valves configuration suits Acetic Acid (CH₃COOH) (CH₃COOH), in which material, to which standard — from real service data, with the pitfalls flagged.
Which diaphragm valves for Acetic Acid (CH₃COOH)?
Diaphragm Valve (PTFE diaphragm) - Accurate control of acetic acid dosing and blending Typical service window: 1–25 barg (storage, transfer, PTA oxidation reactor), Ambient to +220°C (PTA oxidation circuit).
Recommended Configurations
Diaphragm Valve (PTFE diaphragm)
Accurate control of acetic acid dosing and blending
Body Material for Acetic Acid (CH₃COOH)
Rated from real compatibility data - click any material for the full decision page.
Governing Standards for Acetic Acid (CH₃COOH) Service
What to Avoid in Acetic Acid (CH₃COOH) Service
- Carbon steel valves - severely corroded
- Bronze/brass - attacked by acetic acid
- SS 316 for hot concentrated service without corrosion allowance review
Service Considerations
- PTA oxidation service: air + acetic acid + xylene at 180–220°C is extremely aggressive - Hastelloy or titanium mandatory
- PTFE-lined valves acceptable for lower-temperature dilute acetic acid circuits
- Fire-safe valve design required in ATEX Zone 1 PTA production areas
Other valve types for Acetic Acid (CH₃COOH)
Diaphragm Valves for other services
Diaphragm Valves for Sulphuric Acid (H₂SO₄)Diaphragm Valves for Hydrochloric Acid (HCl)Diaphragm Valves for Phosphoric Acid (H₃PO₄)Diaphragm Valves for Nitric Acid (HNO₃)Diaphragm Valves for Slurry - Abrasive Pulp / Mineral SlurryDiaphragm Valves for Demineralised Water (DM Water / Deionised Water)Diaphragm Valves for Ethanol / Industrial Alcohol (C₂H₅OH)Diaphragm Valves for Urea Solution (Carbamide / DEF / AdBlue)
Reviewed by Process Engineering, Vajra Industrial SolutionsDiscipline: Process & Fluid Service EngineeringLast reviewed: 20 June 2026
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