... Coupling E Material:SS304,SS316 Size:1/2" ~ 6" Thread :NPT,BSP,BSPT,DIN2999 Stainless Steel Quick CouplingType ... - E Type: E – Type Size:1/2” – 6”Material: AISI304 , AISI316Design & Manufacture Standard:DIN2828Test Standard:API598Thread Standard ... Quick Release Hose Couplings MaterialsAluminum, Stainless SteelSizes Available1/2" - 6"Standard GasketBuna-NOptional GasketsNeoprene, Nitrile , Viton , Teflon, and ...