GMP EA Stainless Steel Self-Priming Acidic Pumps

The GMP EA Stainless Steel Self-Priming Acidic Pumps are a range of surface-mounted electric pumps designed for liquids that would rapidly degrade cast iron or standard steel construction. Built with stainless steel throughout (casing, inlet flange, impeller, and shaft), these pumps are suitable for acidic water, dilute acid transfer, sewage, fruit juice, and other fluid foodstuffs where corrosion resistance and hygiene are essential. A silicon carbide mechanical seal is fitted as standard, with an alternative available on request for more aggressive chemistries.

All models are self-priming, with a non-return valve on the inlet body preventing water loss after shutdown. Maximum suction depth is 6 metres. An inspection door on the suction body allows blockages to be cleared quickly without disconnecting the pipework. Maximum liquid temperature is 70°C. These pumps are not suitable for abrasives.

For general guidance on self-priming pump selection and operation, see the AES Rewinds self-priming pumps guide.

Choosing the Right Model

The EA stainless range splits into two port size groups. The EA7G (230V) and EA7E (400V) are 2-inch models with a 1.5kW motor, producing up to 440 l/min at 18m head. These are suitable for light commercial and food industry applications where flow demands are moderate.

The three 3-inch models serve higher-demand applications. The EALT (400V, 4kW) has a lower solids passage of 8mm and is better suited to clean acidic liquids or juice processing. The EALR (400V, 5.5kW) and EALS (400V, 7.5kW) both pass solids up to 24mm and are appropriate for sewage, industrial effluent, and applications where the liquid carries suspended matter. Note that the EALR and EALS are large, heavy pumps (96kg and 98.5kg respectively) requiring secure installation on a solid base.

Prices update dynamically. Click through to individual product pages for current pricing.