Metering Pump — Caustics/Bases
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LibertyCES has documented Metering Pump in Caustics/Bases service, including Sodium Hydroxide and Ammonia. Wetted materials to confirm: PVDF and PE. Documented models include Dosatron D14T/D6 and ProMinent DULCODOS Ammonia. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a free spec review.
Notes from the vendor documentation
D14T names NaOH for CIP; ProMinent has a dedicated ammonia-handling metering system with vapour corrosion control.
Materials documented for this service
- PVDF
- PE
Products cited for this service
Real Specifications
| Spec | Value | Source document |
|---|---|---|
| Dosatron D14T caustic CIP spec | 1-2% NaOH at 160-180°F — saponifies fats, hydrolyzes proteins | Dosatron — Water-Powered Dosing Pumps |
| Dosatron D14T failure mode addressed | Manual dilution drift when hot water meets hand-mixed chemistry: temperature, contact time, and mechanical action can all be correct while concentration still drifts | Dosatron — Water-Powered Dosing Pumps |
| ProMinent DULCODOS Ammonia design purpose | Dedicated ammonia-handling metering system built for low-odour/safe handling and vapour-system corrosion control; no numeric capacity published in this catalog | ProMinent — Metering Pumps, Chemical Transfer Pumps, Tanks, DULCODOS Systems |
Dosatron's own D14T literature names the real failure mode directly: manual dilution drift, where temperature and contact time read correct but chemical concentration has already drifted — the reason automated proportional dosing is specified over hand-mixed batch chemistry.
Caustic dosing at the wrong concentration doesn't just underclean — Dosatron's own D14T literature quantifies caustic CIP at 1-2% NaOH and 160-180°F specifically because concentration drift is the real failure mode when hot water and hand-mixed chemistry meet, the reason automated proportional dosing beats a batch tank every time.
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 Metering Pump handle Caustics/Bases?
D14T names NaOH for CIP; ProMinent has a dedicated ammonia-handling metering system with vapour corrosion control.
What wetted materials should Metering Pump use in Caustics/Bases service?
Materials documented for this service: PVDF, PE. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a spec review before final specification.
Which Caustics/Bases chemicals does this cover?
Named chemicals in this documentation: Sodium Hydroxide (NaOH), Ammonia.
Which Metering Pump models are documented for Caustics/Bases?
Documented examples include Dosatron D14T/D6, ProMinent DULCODOS Ammonia, ProMinent Ammonia low-odour system.
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated