Actuator — Acids
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LibertyCES has documented Actuator in Acids service, including Oilfield chemical service. Wetted materials to confirm: Aluminum alloy, Rilsan-coated aluminum, Glass-filled Polyamide and 316SS. Documented models include Asahi Series 92/94 Electric Actuator and Crane CPE MATRYX/XRP Pneumatic Actuator. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a free spec review.
Notes from the vendor documentation
Actuator housings themselves are rarely chemical-rated directly; evidence is via named 'Chemical Applications' sector and oilfield service context rather than a specific named acid.
Materials documented for this service
- Aluminum alloy
- Rilsan-coated aluminum
- Glass-filled Polyamide
- 316SS
Products cited for this service
Real Specifications
| Spec | Value | Source document |
|---|---|---|
| Asahi Series 92/94/10 housing materials | Specially treated aluminum alloy (Series 92/10) or Zytel FR50 plastic (Series 94) | Asahi/America — Actuation Basics (Electric & Pneumatic Actuator Engineering Reference) |
| Asahi Series 79P pneumatic body options | Rilsan-coated aluminum alloy, glass-filled Polyamide, or 316SS — 3 real material tiers | Asahi/America — Actuation Basics (Electric & Pneumatic Actuator Engineering Reference) |
| Crane XRP construction | Anodized/calibrated aluminum body, RAL 9005 black plastic end caps, silver-anodized shaft, stainless steel fasteners, POM bearings; ATEX IIC hazardous-area compliant | Crane ChemPharma & Energy — XOMOX Pneumatic Actuators |
Asahi explicitly warns that steel pistons used by some other manufacturers 'can be a problem if powered with water, and also if powered from a moist air supply' — a real, named actuator-internal corrosion risk that has nothing to do with the valve's own chemical service.
Actuator housings themselves are rarely chemical-rated the way a valve body is — the real spec question near acid service is atmospheric corrosion resistance of exposed metal parts (piston, shaft, fasteners), not immersion resistance, which is why Asahi and Crane both publish material-tier options rather than a single 'acid-resistant' actuator line.
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 Actuator handle Acids?
Actuator housings themselves are rarely chemical-rated directly; evidence is via named 'Chemical Applications' sector and oilfield service context rather than a specific named acid.
What wetted materials should Actuator use in Acids service?
Materials documented for this service: Aluminum alloy, Rilsan-coated aluminum, Glass-filled Polyamide, 316SS. 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: Oilfield chemical service (unnamed acids), generic "Chemical Applications".
Which Actuator models are documented for Acids?
Documented examples include Asahi Series 92/94 Electric Actuator, Crane CPE MATRYX/XRP Pneumatic Actuator.
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated