hydroseal pvc pipe fitting, 2" union jetstream, schedule 80, grey, epdm o-ring, socket x socket, f1970, sch80 (2") hydroseal hydroseal canada’s jetstream unions seamlessly allow for downstream or upstream connections in union-connections in pipeline assembly. sizes from 1/2” through 4” union fitting for connecting and disconnecting two pipes more easily than with couplings socket openings on both ends for connecting two male pipes pvc for strength and resistance to chemicals and corrosion, and an epdm seal for resistance to oil, water, and some solvents maximum operating temperature of 140 degrees f meets astm d1784 and d2466 standards for quality assurance, and certified by nsf international for potable water service our hydroseal pvc union fitting has socket openings on both ends, and is suitable for connecting two pipes. the socket ends connect to pipes with a smooth bore for enhanced flow. the fitting has three pieces and includes a threaded connection that can be screwed or unscrewed to connect or disconnect pipes more easily than with couplings.