Pipe — Acids
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LibertyCES has documented Pipe in Acids service, including Sulfuric Acid, Hydrochloric Acid and Hydrofluosilicic Acid. Wetted materials to confirm: Advanced PE and ECTFE/Halar. Documented models include Netafim FlexNet HP. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a free spec review.
Notes from the vendor documentation
26 real named installed-project case list with field concentrations, several exceeding general resistance tables (93% sulfuric acid seen twice).
Materials documented for this service
- Advanced PE (NSF/ANSI/CAN 61-G)
- ECTFE/Halar (chosen over Advanced PE for H2SO4 in one RO plant)
Products cited for this service
Real Specifications
| Spec | Value | Source document |
|---|---|---|
| Sulfuric acid resistance ceiling (general table) | Resistant up to 85% concentration, PVC/FKM valve pairing | Asahi/America — Advanced PE Industrial Piping Systems (Chem Proline / Chem Prolok / Poly-Flo) |
| 93% sulfuric acid real field installs | Anomatic OH (2013, replaced CPVC) and Chemco CA (2013, replaced PVC) both ran 93% H2SO4 in Chem Proline, above the general table's stated 85% ceiling | Asahi/America — Advanced PE Industrial Piping Systems (Chem Proline / Chem Prolok / Poly-Flo) |
| Hydrochloric acid resistance | Resistant to 37% HCl, PVC/FKM valve pairing, Vented Ball Valves required for off-gas relief | Asahi/America — Advanced PE Industrial Piping Systems (Chem Proline / Chem Prolok / Poly-Flo) |
| Hydrofluosilicic acid resistance | Resistant up to 50% concentration (fluoridation dosing), PVC/EPDM valve pairing | Asahi/America — Advanced PE Industrial Piping Systems (Chem Proline / Chem Prolok / Poly-Flo) |
| ALD70 valve diaphragm sulfuric acid limit | 38°C max — far below the pipe's 85%-concentration rating | Netafim Mining — Heap Leaching Products Catalog |
Two of Asahi's 26 documented Advanced PE installations ran 93% sulfuric acid — Anomatic OH and Chemco CA, both 2013, both replacing failed CPVC or PVC — above the general resistance table's own stated 85% ceiling; a real field data point to flag to engineering before quoting, not an automatic green light past 85%.
Acid service piping fails at whichever component has the lowest real ceiling, not the pipe body — Netafim's own ALD70 valve diaphragm caps sulfuric acid at 38°C while Advanced PE pipe carries it to 85% concentration at operating temperature, exactly the kind of mismatch a category-level "acid-resistant piping" quote misses.
Every material and product claim on this page traces to real, vendor-published documentation on file with LibertyCES. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm current specifications with the manufacturer and request a spec review before final specification.
FAQ
Can Pipe handle Acids?
26 real named installed-project case list with field concentrations, several exceeding general resistance tables (93% sulfuric acid seen twice).
What wetted materials should Pipe use in Acids service?
Materials documented for this service: Advanced PE (NSF/ANSI/CAN 61-G), ECTFE/Halar (chosen over Advanced PE for H2SO4 in one RO plant). Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a spec review before final specification.
Which Acids chemicals does this cover?
Named chemicals in this documentation: Sulfuric Acid (93%), Hydrochloric Acid, Hydrofluosilicic Acid.
Which Pipe models are documented for Acids?
Documented examples include Asahi Advanced PE / Chem Proline / Ultra Proline, Netafim FlexNet HP (heap leach).
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated