Actuated Valve — Oxidizers/Disinfectants
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What LibertyCES's vendor documentation shows
Netafim's ALD70 diaphragm chemical resistance chart gives hard fail ratings for chlorine gas, ClO2, and hypochlorite, requiring Hastelloy upgrade.
Materials documented for this service
- ALD70 diaphragm (fails on Cl2/ClO2/NaOCl)
- Hastelloy (upgrade)
Products cited for this service
Real Specifications
| ALD70 diaphragm — Chlorine Gas & Chlorine Dioxide | Both rated "Not Good" on Netafim's own ALD70 diaphragm chemical resistance chart | netafim-mining-heap-leaching.md |
| ALD70 diaphragm — Sodium Hypochlorite | Limit 80°C @ 100 mg/L; Limit 30°C @ 170 mg/L — a concentration-and-temperature-dependent rating, not a flat pass | netafim-mining-heap-leaching.md |
| Hastelloy upgrade rationale | Netafim's own catalog states Hastelloy "is resistant against chlorine gas, hypochlorite and chlorine dioxide solutions" — the vendor-named substitute for all three chemistries where ALD70 fails | netafim-mining-heap-leaching.md |
ALD70 rates a flat 'Not Good' for chlorine gas and chlorine dioxide regardless of concentration — an actuated diaphragm valve running either chemistry through a standard ALD70 diaphragm is a documented failure, not a marginal-service risk; Hastelloy is Netafim's own named substitute.
The valve body can be rated for a chemistry the diaphragm inside it flatly isn't — Netafim's own chart puts chlorine gas and chlorine dioxide at 'Not Good' for ALD70 even though the body/liner materials elsewhere in this family tolerate much harsher service. That's the kind of component-level gap a full application review catches and a body-spec-only 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
Is Actuated Valve compatible with Oxidizers/Disinfectants?
Netafim's ALD70 diaphragm chemical resistance chart gives hard fail ratings for chlorine gas, ClO2, and hypochlorite, requiring Hastelloy upgrade. This is strong evidence.
What materials are documented for Actuated Valve in Oxidizers/Disinfectants service?
Materials documented for this service: ALD70 diaphragm (fails on Cl2/ClO2/NaOCl), Hastelloy (upgrade). Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm with a spec review before final specification.
What specific Oxidizers/Disinfectants chemicals does this cover?
Named chemicals in this documentation: Chlorine Gas, Chlorine Dioxide, Sodium Hypochlorite.
What products are cited for Actuated Valve in Oxidizers/Disinfectants service?
Documented examples include Netafim 75/90/100 Series diaphragm-actuated valves.
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