Pratt portable gravity fed eye wash unit, 55L

If your site has a chemical splash risk but no plumbed water near the hazard, a portable gravity fed unit fills that gap. The Pratt SE5050 is a 55L self contained eyewash station that you stand where the work happens, not where the pipework happens. It runs on gravity, so there is no pump, no mains connection, and nothing to switch on before someone uses it.

Pratt describes it as a secure and cost effective option for sites where plumbed water is not available. It ships with one bottle of SE4764 water preservative, which is the additive that keeps the stored water usable between changes. The housing is polyethylene and the listing states it meets AS4775 and ANSI Z358.1, the Australian and American standards that cover emergency eyewash equipment.

It is a straightforward bit of first response kit. The point of a unit like this is that someone with a chemical or particle injury can start flushing immediately rather than walking to a tap. If you want to read the full listing or order one, the Pratt SE5050 product page has the specifics.

Deciding if a portable unit is right for the area

Start with the simplest question: is there plumbed water within easy reach of the hazard? If there is, a fixed plumbed eyewash is usually the better long term answer because it never needs refilling. A portable gravity fed unit like the SE5050 earns its place where you genuinely cannot run water to the point of use, or where the hazard moves around the site. Capacity matters too. The 55L tank gives you more stored flushing water than a smaller portable, which is worth weighing up against the floor space and the volume you are willing to maintain.

Setting it up and keeping it usable

Position the unit close to the chemical hazard so an injured person can reach it within seconds, and keep the path to it clear. Because it stores water rather than drawing fresh supply, the water needs managing. Add the SE4764 preservative supplied with the unit, and change the water on a schedule that suits your site and matches the maker's guidance. A station that has gone stale or empty is no use in an emergency, so the maintenance habit is the whole job here.

Inspection and standards

The listing states the unit meets AS4775 and ANSI Z358.1. Confirm the current standards detail and any commissioning or testing requirements on the product page or datasheet before you rely on it, since how you install, inspect and record the unit is part of meeting those standards. Build it into your regular safety inspection round so the water level, preservative and general condition all get checked, not just signed off once on the day it arrived.

These are all genuine same type emergency eyewash options from Pratt, so this is a like for like comparison rather than a stretch across product families. The difference between them is mostly how they get water to the eyes: stored gravity fed water, a pressurised portable tank, or a plumbed pedestal unit.

The choice usually comes down to two things: how much stored water you want and whether you only need to flush eyes. The SE5050 and the 35L SE5000 do the same gravity fed job, so pick the 55L if you want the larger reserve and have the floor space, or the 35L for a tighter spot. If the hazard can hit the face or body as well, the SE590A adds a drench hose and dual nozzle, though it is a pressurised stainless tank rather than a simple gravity unit.

The SE546 is the one to look at if you actually do have plumbed water at the point you want to protect. A pedestal eyewash never needs refilling, but it only works where you can run a 15mm supply to it, which is exactly the situation the portable units are designed to get around.

For a workplace that needs eye flushing where there is no tap nearby, the SE5050 is an easy unit to recommend on paper. The 55L capacity is generous for a portable, the gravity fed design means there is nothing mechanical to fail, and Pratt includes the water preservative you need to keep it serviceable from day one. The polyethylene body and listed AS4775 and ANSI Z358.1 compliance are the kind of basics you want to see on emergency wash gear.

What is confirmed on the listing is the capacity, the dimensions, the material, the included preservative and the standards it is listed against. What you should verify on the product page or datasheet is the detail behind those standards: flush duration at the required flow, any commissioning or testing steps, and the maker's recommended water change interval. Those install and maintenance details decide whether the unit actually performs in an emergency, and they sit outside the headline specs.

If your only risk is eye exposure and you have no plumbing at the hazard, this is a sensible choice. If you also need to flush the face or body, look at a unit built for that rather than asking an eyewash to do more than it is designed for.