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Flanged swing check valves adpot in-built rocker swing structure. All the dics of valves are arranged inside the body and don't penetrate the body.The overall with no leakage in addition to seal gasket and sealing ring used in the flange position puts an end to the possibillity of the valve leakage.The joint between rocker and disck of swing check valve is employed by spherical joints so that the valve flap gets a certain DOF within the range of 360 degrees and an appropriate compensation for trace position.Flanged Swing check valves are mainly made of cast steel materials and used to prevent the medium in each type of equipment from flowbacking. Flanged swing check valve automatically open or close by the medium pressure.Cast steel flanged swing check valve produced by Jeasin Valve industry Co.,Ltd can be installed vertically but not horizontally and is widely applied in chemical industry, metallurgy, pharmacy and many fields.
Main features for cast steel flanged swing check valves as follow:
Constructions :Integral Seat,Flanged Ends,Butt Weld Ends
Applicable Standards:Steel valves ANSI B16.34 , Face to face ANSI B16.10, End flanges ANSI B16.5 ,Buttweld ends ANSI B16.25,Inspection and test API 598
Service:chemical industry, metallurgy, pharmacy,ect.
Other specifications as shown in the following figure: