EASY RISER CHEK VALVE The Viking Easy Riser® Swing Check Valve is a general purpose rubber-faced check valve approved for use in fire service systems. The valve is for use in wet system risers, preaction system risers and wherever a check valve with a drain connection and gauge connections can be utilized. When used with a flow switch on wet pipe systems not requiring a mechanical alarm, the Easy Riser® Swing Check Valve may replace an alarm check valve. Brand: Viking Product Type: Product Features: Product Specification: Hub : Mia_ brsinaga@ yahoo.com phone 0856 9139 8333