Threaded swing check valve is swing type check valve (non-return valve) with threaded connection, or threaded to flanged/ grooved connection conversion. It is used to allow water to flow through it in only one direction, and the disc swings off the seat to permit forward flow, or swing on the seat to block reverse flow.
|Size||L (mm)||Connection||Working pressure (psi)||Ref. No.|
|2″ / DN50 / 60.3mm||190||TxT, TxF, TxG||300||V5301|
|2-1/2″ / DN65 / 73.0mm / 76.1mm||203||TxT, TxF, TxG||300||V5302|
|3″ / DN80 / 88.9mm||213||TxT, TxF, TxG||300||V5303|
|4″ / DN100 / 114.3mm||245||TxT, TxF, TxG||300||V5304|
1. For threaded connection, it is available with male NPT or female NPT.
2. For flanged connection, it is available with ANSI B16.1 Class 125, ANSI B16.5 Class 150, ANSI B16.42 Class 150, FF or RF, etc.