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 ROTEX
for permanent stress through hot heating water, cooling water and hot air. Approved according to DIN up to 100°C by 10 bar and up to 110°C by 6 bar.
Temperature range -40°C u pt o +130°C.
Type ERV-CR
for cold and warm water, swimming pool water, sea water, waste water (weakly sour or alkaline) also oilc ontaining, cooling water with protective oils against corrosion, lubricating oil, grease and air, compressed air.
Temperature -25°C up to +90°C.
Type ERV-GS
for petroleum based products, DIN EN fuels, cooling water with oily anticorrosion additives, lubrication and hydraulic oil, seawater.
Temperature range -20°C up to +90°C. Fire resistant up to 30min. and 800°C.
Type ERV-GS HNBR
for petroleum based products, DIN EN fuels, cooling water with oily anticorrosion additives, lubrication and hydraulic oil, seawater. Very good aging and resistance.
Temperature range -35°C up to +100°C.
