Wafer - Ductile Iron
J&S Valve, Wafer Check Valve - Short face to face dimension allows for service in tight spaces, spring assisted for better closure. This valve has a resilient seat which allows for seating at low differential pressure. J&S Valve’s Wafer Swing Check Valve can be supplied with a Buna-N seat or an EPDM seat. The J&S Wafer Swing Check Valve is self-acting. The Valve is available with ANSI Class 125 flanges.