Hydro Electrique Marine (HEM) - part of EVAC group products

The HEM® Puro RO unit produces up to 1.5m³/hr (32 ltr/min) at a maximum salinity of 25 ppm TDS. These units are specially designed to produce demineralised water which can be used as technical water, most frequently for washing down the hulls of yachts, especially if they are of a dark colour. This saves a lot of manpower and time when it comes to the hull washdown, since the demineralised water leaves no streaks or traces.

This new electronically controlled hydrophore system incorporates state-of-the-art frequency drives, pumps and control technology to provide responsive and reliable water distribution for yachts. A complete fresh water treatment solution, Designed for superyachts, Minimal space requirements

HEM® Series 20 system is designed for small yachts where space is very limited. The system is available as a monobloc unit enclosed in an aluminium frame. This is compact without being inaccessible for routine service, and allows for fast, simple installation. It can also be supplied in modular form, as seven smaller modules with a completely preplumbed and electrically preconnected main panel for flexible installation.

HEM® Series 25 system is designed for medium sized yachts where a heavy duty unit is required, but one which is compact. Over the years, these units have supplied millions of tons of water for yachts all over the world. The system is available in modular or frame configurations to suit the available space.

HEM® Series 30 was designed to fit the gap between the Series 25 and 40 units, where a higher production than the series 25 is required, but space for the Series 40 is not available. The HEM® Series 30 uses the 4 inch membrane which gives flows of 375/541/625 litres/hour for the three different models. The framed unit is very compact, whilst still providing unusually good access to all system parts for servicing. The modular unit does not take up much more space than the Series 25, but gives up to three times the output. A sand filter is strongly recommended if space is available, as the system has a high feedwater flow.

HEM® Series 38 system is designed for refit applications and vessels with minimal space. Despite the compact design, it still provides excellent access to all system parts for servicing.

HEM® Series 60-80 is designed to produce large volumes of water for superyachts and commercial vessels, the HEM® reverse osmosis desalinators, series 60-80 combine a low space requirement with good accessibility for servicing.

Ozone is a powerful oxidation agent used for the purification of air in ventilation systems, pump stations, garbage areas and large rooms with poor air quality. The ozone is produced from ambient air as oxygen passes the corona discharge electrode.

Our chlorine dosing unit can be integrated into any fresh water system. By measuring the incoming fresh water by means of the inbuilt water meter, the unit proportionally doses chlorine into the fresh water to allow safe storage and consumption of the treated water. The unit is housed on a light weight powder coated skid for easy installation and maintenance.

The key feature of our system is that all the parameters are carefully monitored to ensure that the correct U.V dose is being transmitted to the feed water using an in-built optional sensor. We offer modular or skid mounted U.V solutions according to your requirements.