Double Containment Piping — Metal Plating & Photographic Process Solutions
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LibertyCES has documented Double Containment Piping in Metal Plating & Photographic Process Solutions service, including chromic acid 30-37%, sulfuric acid 35% and sodium cyanide 7-9%. Wetted materials to confirm: PP, PVDF, ECTFE. Documented models include Asahi/America Chem Prolok double wall and Asahi/America Poly-Flo double wall. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a free spec review.
Materials documented for this service
- Advanced PE PE445584C / PAS 1075
- PP, PVDF, ECTFE (Duo-Pro)
- Simultaneous butt fusion only for double-wall (primary + secondary fused in one operation)
- Explicit vendor installation rule: threaded joints should not be allowed
Products cited for this service
Real Specifications
| Spec | Value | Source document |
|---|---|---|
| Chem Prolok double-wall sizes/pressure | 1"x3" through 12"x16"; primary SDR rated 150 psi @ 68°F; secondary SDR11 rated 150 psi or SDR33 rated 45 psi @ 68°F | Asahi/America — Advanced PE Industrial Piping Systems (Chem Proline / Chem Prolok / Poly-Flo) |
| Real UTC Goodrich Cleveland OH installs, 2013 | 30-37% chromic acid + 35% sulfuric acid; 7-9% sodium cyanide + 2% sodium hydroxide + 3% cadmium oxide + 6% sodium carbonate mixture; 25% nickel sulfate; contaminated groundwater remediation — four real plating-line installations | Asahi/America — Advanced PE Industrial Piping Systems (Chem Proline / Chem Prolok / Poly-Flo) |
| Joining method for double-wall pipe | Simultaneous butt fusion only (primary + secondary pipe fused in one operation) | Asahi/America — Advanced PE Industrial Piping Systems (Chem Proline / Chem Prolok / Poly-Flo) |
| Resin spec | PE445584C resin, conforms to PAS 1075 | Asahi/America — Advanced PE Industrial Piping Systems (Chem Proline / Chem Prolok / Poly-Flo) |
Explicit vendor installation rule: threaded joints should not be allowed on Chem Prolok double-wall pipe — primary and secondary pipe are fused simultaneously in one operation, a real joining-method constraint that rules out field-threaded connections on plating waste lines.
The UTC Goodrich cyanide/cadmium/caustic/carbonate mixture is a real plating-bath waste stream, not a hypothetical — confirming Chem Prolok double-wall containment as a documented material choice for the cyanide-bearing waste itself, not just the treatment instrumentation around it.
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 Double Containment Piping handle Metal Plating & Photographic Process Solutions?
LibertyCES has documented Double Containment Piping in Metal Plating & Photographic Process Solutions service.
What wetted materials should Double Containment Piping use in Metal Plating & Photographic Process Solutions service?
Materials documented for this service: Advanced PE PE445584C / PAS 1075, PP, PVDF, ECTFE (Duo-Pro), Simultaneous butt fusion only for double-wall (primary + secondary fused in one operation), Explicit vendor installation rule: threaded joints should not be allowed. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a spec review before final specification.
Which Metal Plating & Photographic Process Solutions chemicals does this cover?
Named chemicals in this documentation: chromic acid 30-37%, sulfuric acid 35%, sodium cyanide 7-9%, sodium hydroxide 2%, cadmium oxide 3%, sodium carbonate 6%, nickel sulfate 25%, spent solvent drain, process waste.
Which Double Containment Piping models are documented for Metal Plating & Photographic Process Solutions?
Documented examples include Asahi/America Chem Prolok double wall (1"x3" through 12"x16"; primary SDR rated 150psi @68°F; secondary SDR11 rated 150psi or SDR33 rated 45psi @68°F; PE445584C resin, PAS 1075), Asahi/America Poly-Flo double wall (1"x1-1/2", 2"x3", 4"x6"; secondary SDR17 rated 90psi @68°F), Asahi/America Duo-Pro (PP, PVDF or ECTFE, 1x3 through 16x20, outer pipe designed to meet the EPA standard of at least 30 days of containment), Asahi/America PAL-AT cable-based and LiquidWatch II electronic leak detection, Real installations at UTC Goodrich, Cleveland OH, 2013.
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated