Chemical Compatibility
Ball Valve — Acids
Strong evidence
Named chemicals
Hydrochloric AcidSulfuric AcidNitric AcidHydrofluoric AcidPeracetic Acid (40%)
What LibertyCES's vendor documentation shows
Hayward's 20-chemical x 12-material table gives quantified A/B/C/X ratings per acid; PAA 40% is uniquely restrictive (only PTFE/PVDF pass).
Materials documented for this service
- PFA (Excellent)
- PVDF
- CPVC (weak on HF)
- 316SS (poor on HCl/HF)
Products cited for this service
Asahi Type-21/21aCrane CPE/XOMOX XLB Lined Ball ValveHayward TBH/TBH-ZRichter BVA/KA-N/KK/KN/KNRCrane FK Soft Seated Ball Valve
Sourced to
- hayward-flow-control-chemfeed.md
- crane-cpe-xomox-lined-valves.md
- asahi-america-advanced-pe-piping.md
- richter-ct-ball-valves.md
Every material and product claim on this page traces to the vendor documentation listed above. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm current specifications with the manufacturer and request a spec review before final specification.