Rubber Lined Swing Check Valve

A wide choice of materials methods of operation and body connections meet the needs of most industrial applications.

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. 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 result after lining is a totally encapsulated valve without any exposed metal surfaces.

These valves are manufactured in ductile iron with the swing in ductile iron fully covered with nbr rubber. Rubber flapper swing check valves feature a unique simple design with only one moving part. The one piece disc body construction is securely fastened to the hinge by means of a lock nut pin. It simply flexes open.

The valve s smooth unrestricted full flow design makes it an excellent choice for slurries and sludge even in vertical flow up applications. 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. 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 flapper travels 35 from open to closed usually before column reversal can occur.

So it has wide temperature and pressure range. Henry pratt company has a full line of check valves including. The swing flex check valve is the valve of choice based on its simple maintenance free design low headloss and non slam characteristics. 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.

Note that unlike other check valves our rubber flapper swing check valve is specially designed for rubber lining. The disc doesn t need any maintenance and avoids any noise during closure. The disc is free to rotating type to avoid any other wear. 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.

The flapper does not swing from a hinge pin. Xomox fully lined products are a reliable alternative to expensive alloy valves. The valve body and disc is lined with rubber or fluoroplastics.