Rubber Lined Swing Check Valve

The swing flex check valve is the valve of choice based on its simple maintenance free design low headloss and non slam characteristics.

Rubber lined swing check valve.

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. Swing check valve mvs offers non return swing check valve in bolted cover design having swing type disc. The seat opening cross section may be perpendicular to the centerline between the two ports or at an angle. Swing check spring loaded double disc globe compact wafer silent wafer flexible disc tilted disc and rubber flapper selection chart.

The seat is on a 45 angle. 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. A wide choice of materials methods of operation and body connections meet the needs of most industrial applications. 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 disc doesn t need any maintenance and avoids any noise during closure. The valve s smooth unrestricted full flow design makes it an excellent choice for slurries and sludge even in vertical flow up applications. So it has wide temperature and pressure range. The one piece disc body construction is securely fastened to the hinge by means of a lock nut pin.

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. It simply flexes open. Note that unlike other check valves our rubber flapper swing check valve is specially designed for rubber lining. The result after lining is a totally encapsulated valve without any exposed metal surfaces.

The flapper does not swing from a hinge pin. These valves are manufactured in ductile iron with the swing in ductile iron fully covered with nbr rubber. Xomox fully lined products are a reliable alternative to expensive alloy valves. The valve body and disc is lined with rubber or fluoroplastics.

Rubber flapper swing check valves feature a unique simple design with only one moving part. Sharp corners and crevices are not present and the smooth body and cover contours readily accept lining or coating. Henry pratt company has a full line of check valves including.