BS 5342 Type 2A. EPDM = Ethylene Propylene Diene Monomer The given working pressure and safety factor are true for the conveyance of steam. For water, the working pressure is 55bar and safety factor is 3.15:1. Steam Hose 17 Bar 1158. Red, heavy duty, spiralized steam hose manufactured to BS5342 Type 2 Class A. For use in industry for saturated steam and hot water in dairies, slaughterhouses and power stations etc. Steam Hose (17 bar) Wire reinforced Red outside and black inside Hose is conductive based on wire braiding