Introduction for swing check valve
Swing check valve is one type for the check valves, the check valve have anther name is non-return valve,this swing check valve only can horizontal installation,the speed of the closing for swing check valve is very quickly , also the seal is very good,the highest pressure for swing check valve can up to 2500LB(PN420), the body of the check valve can choose forged material or choose cast steel,this valve is opened or closed by the valve disc to rotate around the spindle outside the seat of the valves; it is an automatic valve, working principle of this valves are automatically opened or closed by the force generated by the medium flowing within the pipeline. Its major function is to prevent the backflow of the medium in the pipeline, reverse rotation of the pump and its driving motor, and discharge of the medium in the container.
Features for swing check valve
Compact and reasonable product structure, reliable tightness and good performance;
Smooth fluid passageway and small fluid resistance;
Swing type disc.
Can be designed with a Damping Cylinder.
Rapid closing and flexible actions of the valve disc .
Small closing impact, water hammer is not liable to be generated.
Smooth fluid passageway and small fluid resistance.
||Design Spec.||Flange End||Test & Check||Pressure-Temp.||Supply|
|Product Specification||API600||ANSI B 16.10||ANSI B 16.5||API598||ANSI B 16.34||MSS SP-25||API600|
|Part name||Part Material||Part Name|
|Rotating shaft||A216-WCB||A217-WC6||A182-F6a||A182-F316||Swing Arm|
|Gasket||18~8 /18~8Flexible Graphite||Gasket|
|Medium||7KWater, OilSteam||Steam, Oil||Steam , Oil||Nitric Acid||Suitable Medium|
Main External and Connection Dimension (单位Unit：mm)