The HKS rubber expansion joints of Type 2 in Construction types red, yellow, green and black are individually designed to suit customer requirements regarding their pressure level.
Available rubber bellows qualities
|Red||EPDM, suitable for water, cold and warm process water, sea water, coolant, also with chemical additives for water treatment, weak acids and alkalis, saline solutions, technical alcohols, esters and ketones.|
|Yellow||Nitrile suitable for petroleum products, fuel-ethanol blends and DIN EN fuels, mains gas and natural gas with the exception of liquid gas.|
|Green||Hypalon®, suitable for chemicals, acids, alkalis and corrosive chemical waste. For oleiferous compressor air up to +90°C.|
|Black||Chloroprene, suitable for cold and warm water, swimming pool water, sea water, waste water (weak acid or alkali) - also oleiferous, coolant with oleiferous anti-corrosives, lubricating oil, fats, air and compressed air.|