Solenoid valve range with drinking water approvals: For water supply, houses and large apartments (kitchen and bathrooms), commercial buildings, industrial buildings, zoning, laundry, dishwashing, main inlet valves, machines and food processing, shut off, heating and cooling with water and brine. DZR Eco brass for neutral and slightly aggressive liquids and non-flammable gases. SS for neutral and aggressive liquids and non-flammable gases.