Tenders for Supply of Medium Duty Staright Male Nipple With One End Straight Ferrule With Nut To Suit 18Mm Od Pipe And Other End 1/2 Npt Male Threads Conforming To Din 2353. Hydraulic Straight Fitting With Both Sides Ferrul And Nut To Suit 18Mm Od Pipe And To Withstand 150 Bar Working Pressure Coforming To Din 2353.