Spent grain, yeast, warm acidic wash — brewery and distillery waste clogs and corrodes ordinary pumps. Here’s how a ZWL self-priming pump handles it.
| Flow Rate | 8–800m³/h |
|---|---|
| Head | 10–80m |
| Power | 1.5–75kW |
| Inlet / Outlet Diameter | DN25–DN300 |
| Material | Cast Iron,SS304，SS316L |
Not sure this pump fits your duty? Try the pump selector
Breweries and distilleries generate a steady stream of awkward waste: spent grain and draff, yeast slurry, trub, and warm, slightly acidic wash-down from tanks and floors. It’s thick, organic, and it doesn’t play nicely with a plain pump. A ZWL direct-coupled self-priming sewage pump is a solid fit for that duty.
Spent grain and yeast are exactly the kind of thick, particulate load that blocks ordinary pumps. The ZWL’s non-clog passage clears solids up to about 60% of the port diameter, so the grain, husk and yeast flow through. It also handles warm effluent — up to around 80°C as standard — which matters when hot wort residue or CIP water hits the drain.
Because it self-primes and mounts above the collection pit, it primes itself after the first fill (no foot valve to blind with grain) and stays easy to clean, which a food-grade operation needs.
For general brewery wash-down and diluted effluent, cast iron does the job. Where the stream is more acidic — spent wash from a distillery, CIP acid rinses — the stainless steel body extends tolerance to about pH 2–13 and is the cleaner choice. Tell us which stream you’re pumping and we’ll match the body.
ZWL Direct-Coupled Self-Priming Sewage PumpA self-priming pump holds liquid inside — which can freeze in winter. Here’s how to protect a ZWL pump in cold weather so it primes when you need it.
ZWL Direct-Coupled Self-Priming Sewage PumpWhen one pump isn’t enough or downtime isn’t an option, ZWL pumps run in parallel or duty/standby. Here’s how to set that up sensibly.
ZWL Direct-Coupled Self-Priming Sewage PumpWhich ZWL pump parts wear, and which spares to keep on the shelf? A practical guide to impeller, mechanical seal, sealing ring and bearings.
