Rubber Lined Swing Check Valve

Swing check spring loaded double disc globe compact wafer silent wafer flexible disc tilted disc and rubber flapper selection chart.

Rubber lined swing check valve.

The valve has wide material selections complete specifications and is the ideal valves for carrying water petroleum petrochemical chemicals raw oil and natural gas etc. The flapper travels 35 from open to closed usually before column reversal can occur. Rubber lined valve flow tek diaphragm valves have been developed to satisfy market demand for a valve to handle sludge slurries and give high flow performance with minimum turbulence while giving 100 leak tight closure. The result after lining is a totally encapsulated valve without any exposed metal surfaces.

The disc doesn t need any maintenance and avoids any noise during closure. It simply flexes open. These swing check valves allow the full passage of the flow with no water losses compared to classical swing check valves with disc in cast iron. So it has wide temperature and pressure range.

Xomox lined swing check ball check piston check and poppet check have pfa as standard lining and uses the cast dovetail recesses and machined grooves to lock the liner to the body casting. The valve body and disc is lined with rubber or fluoroplastics. The seat opening cross section may be perpendicular to the centerline between the two ports or at an angle. A swing check valve is a check valve in which the disc swings on a hinge or trunnion either onto the seat to block reverse flow or off the seat to allow forward flow.

These valves are manufactured in ductile iron with the swing in ductile iron fully covered with nbr rubber. A wide choice of materials methods of operation and body connections meet the needs of most industrial applications. The disc is free to rotating type to avoid any other wear. The one piece disc body construction is securely fastened to the hinge by means of a lock nut pin.

The valve s smooth unrestricted full flow design makes it an excellent choice for slurries and sludge even in vertical flow up applications. The seat is on a 45 angle. Xomox fully lined products are a reliable alternative to expensive alloy valves. Rubber flapper swing check valves feature a unique simple design with only one moving part.

Swing check valve mvs offers non return swing check valve in bolted cover design having swing type disc. Note that unlike other check valves our rubber flapper swing check valve is specially designed for rubber lining. Henry pratt company has a full line of check valves including.