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Chemical Compatibility

Butterfly Valve — Acids

Strong evidence

Named chemicals

Hydrofluoric AcidSulfuric AcidHot AcidsCarbonic Acid

What LibertyCES's vendor documentation shows

HF Acid and Sodium Hydroxide both explicitly named on Crane's Special Purpose Butterfly Valve line.

Materials documented for this service

  • Metal/Graphite seat (Type 800ISO, -70C to 550C)
  • PTFE/PCTFE
  • 316SS (weak vs HF)

Products cited for this service

Crane CPE/XOMOX Type 800/800ISOAsahi Type-57 seriesAVCO BFV HP

Sourced to

  • crane-cpe-xomox-high-performance-butterfly-valves.md
  • asahi-america-metal-replacement-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.