AVK PN16 Resilient Seat Check Valve Series 41/80 Description: Resilient seated swing check valve AS 4794 Flange and drilling to AS 4087 Figure B5 (AS 2129 Table D and raised face) or AS 2129 Table E and raised face Use: • For potable water and sewage applications • Valve designed for use up to 60C • Where applicable; for AS 4020 compliance, max temp = 40C