Pilot-Operated Control Valve — Acids
Named chemicals
What LibertyCES's vendor documentation shows
Netafim's own ALD70 diaphragm chemical-resistance chart rates sulfuric acid at only 38°C max — more restrictive than the body/liner material at the same acid, so on a sulfuric heap-leach quote the diaphragm elastomer is the limiting material, not the valve body. Real, sourced finding, not a generic acid-resistance claim.
Materials documented for this service
- ALD70 diaphragm (sulfuric acid limited to 38°C max)
- ALD70 Not Good for nitric acid even at 10%
- Hastelloy upgrade available for chlorine-based chemistries
Products cited for this service
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 Pilot-Operated Control Valve compatible with Acids?
Netafim's own ALD70 diaphragm chemical-resistance chart rates sulfuric acid at only 38°C max — more restrictive than the body/liner material at the same acid, so on a sulfuric heap-leach quote the diaphragm elastomer is the limiting material, not the valve body. Real, sourced finding, not a generic acid-resistance claim. This is strong evidence.
What materials are documented for Pilot-Operated Control Valve in Acids service?
Materials documented for this service: ALD70 diaphragm (sulfuric acid limited to 38°C max), ALD70 Not Good for nitric acid even at 10%, Hastelloy upgrade available for chlorine-based chemistries. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm with a spec review before final specification.
What specific Acids chemicals does this cover?
Named chemicals in this documentation: Sulfuric Acid, Nitric Acid.
What products are cited for Pilot-Operated Control Valve in Acids service?
Documented examples include Netafim 75 Series diaphragm-actuated hydraulic/electric control valve, Netafim 90 Series, Netafim 100 Series (cast iron / ductile iron / bronze / stainless, 16 bar/230 psi or 25 bar/365 psi).