Sealless Pump — Acids
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LibertyCES has documented Sealless Pump in Acids service, including Phosphoric Acid and Nitric Acid. Wetted materials to confirm: PFA, PTFE, ETFE and CFRP/PTFE. Documented models include Richter MNK/RM and Finish Thompson UCR/UCP ANSI sealless. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a free spec review.
Notes from the vendor documentation
Richter's mag-drive line names phosphoric/nitric acid in its industries data; Finish Thompson UCR/UCP is ETFE/PP-lined for chemical processing generally.
Materials documented for this service
- PFA
- PTFE
- ETFE
- CFRP/PTFE (double can)
Products cited for this service
Real Specifications
| Spec | Value | Source document |
|---|---|---|
| Richter Semi-Conductor named applications | Vendor names High-purity and ultra-high-purity water, Pure chemicals, Acids under Semi-Conductor/Photovoltaic | Richter Chemie-Technik — Industries + Centrifugal Magnetic Drive Pumps |
| Richter Base Chemicals named application | "Acid Production and Treatment" named directly under Base Chemicals industry applications | Richter Chemie-Technik — Industries + Centrifugal Magnetic Drive Pumps |
| UCR Series spec envelope | Max working pressure 300 psi (20.7 bar), max temperature 250°F (121°C), flow range 1-1,450 gpm, pure unfilled ETFE housing lining | Finish Thompson — ANSI Sealless Pumps / ULTRAChem Line |
| Richter eddy-current-free can | MNK/RM containment can built of CFRP/PTFE specifically to avoid the eddy-current energy losses a standard metal containment can generates | Richter Chemie-Technik — Industries + Centrifugal Magnetic Drive Pumps |
Richter names acids directly under two industries — Semi-Conductor's ultra-high-purity chemistries and Base Chemicals' acid production — and Finish Thompson's UCR line covers the industrial end of the same axis at 300 psi and 250°F; the real spec question for sealless acid transfer is which end of that envelope the application sits in, not whether "a sealless pump" works in the abstract.
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 Sealless Pump handle Acids?
Richter's mag-drive line names phosphoric/nitric acid in its industries data; Finish Thompson UCR/UCP is ETFE/PP-lined for chemical processing generally.
What wetted materials should Sealless Pump use in Acids service?
Materials documented for this service: PFA, PTFE, ETFE, CFRP/PTFE (double can). 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: Phosphoric Acid, Nitric Acid.
Which Sealless Pump models are documented for Acids?
Documented examples include Richter MNK/RM, Finish Thompson UCR/UCP ANSI sealless.
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated