Do not use thread sealing pastes that are harmful to PVC-U. ISO, BS, ASTM, JIS. Maximum working pressure 10 bar at 20°C. PVC-U Hexagon Nipple BSPTM. Threaded nipple R PVC-U with taper male thread R. Ideally used in the water treatment, ship building and chemical process industries. For connection to plastic threads only Good chemical resistance