J.D. Check Valves [NRV] are Swing Type and Bolted cover Construction. The one piece disc construction is securely fastened to the hinge by means of a lock nut & pin. The Disc is free to rotating type to avoid any other wear. The hinge pin offers excellent wear resistance properties.

Swing Check valves also can be supplied with Titling disc design, Dash pot arrangement and outside lever & weight design for use where control of the disc is desires.

J. D. Controls also offer P.T.F.E. (PFA / FEP) Lined Ball Type/Y Type & Rubber Lined Flap Type Check Valves for high corrosive application. 

Swing Type Check Valve [Non Return Valve] Bolted Cover, Suitable for Horizontal & Vertical Line Design Standard: BS 1868 Size Range - 1" to 12" Pressure Rating - 125# / 150# / 300# End Connection : Flanged End

Lift Type Check Valve [Non Return Valve] Bolted Cover, Suitable for Horizontal Line Only Design Standard: BS 1868 / DIN Size Range - 1" to 12" Pressure Rating: PN 6 / PN 10 / PN 16 / PN 25 / PN 40 End Connection : Flanged End

Lift Type Check Valve [Non Return Valve] - ASA Body Design Bolted Cover, Suitable for Horizontal Line Only Design Standard: BS 1868 / DIN Size Range - 1" to 12" Pressure Rating - 125# / 150# / 300# End Connection : Flanged End

Forged Steel Lift Check Valve (Non Return Valve) Bolted Cover Type Design Standard: BS 5352 Pressure Rating: 800# / 1500# End Connection : Screwed / Socket Weld / Butt Weld End

Salient Features :

• Body & Cover made from high quality casting with liberal sections. The castings are precision machined for high performance.
• Body Seat Ring & Disc machined to close Tolerances providing smooth action and accurate seating.
• Seat Ring Screwed in to the body are replaceable type. Seal welded type Seat Ring & Integral Seat cab also be offered on special request.
• Stellited Seat Ring & Disc also be offered on special request.
• In built wear life for long duration in service.