- This valve designed up to lO~2Omm expanded function on one side of the flange and easy enable to change a old valve into new valve
- Enable to save a construction cost due to shorten the replacement time of old valve
- Easy to shorten a time when valve repair work is needed at the field site.
- This valve is not necessary by another expansion joint because have been a self-expansion joint function.
- On one side of the flange is expansion joint type which is consist of EPDM rubber.
For this reasons, it is only fair not necessary a gasket on one side flange.