Type ERV-R for water, drinking water (approval DVGW W 270 as well as ACS), cold and warm waste water, sea water, cooling water, also with chemical additives for water treatment, low concentrated acids and alkalis, salt solutions, technical alcohols, esters and ketones.
Temperature range -40°C up to +100°C.
Type ERV-GR
for chemicals, acids, alkalis and aggressive chemical waste water. For oil-contaminated compressed air up to +90°C.
Temperature range -20°C up to +100°C
Type VITEX
for petrochemical facilities, engines, power stations and flue gas desulphurisation plants. Suitable for strain with aggressive media. Very good resistance against hot oils, benzene, xylol, fuels, bio diesel, aromatic/chlorinated hydrocarbons and mineral acids. Excellent resistance against weathering, ageing and ozone.
Temperature range -15°C up to +90°C.