Intervalve [india] ltd manufactures sleeve lined butterfly & check valves, based on dutch technology. Intervalve exports to countries like uk, usa, germany, south east asia and middle east. Intervalve [india] is an iso 9001 certified company and has also obtained ce marking as per the pressure equipment directive. Intervalve [india] also manufactures butterfly valves qualified as per api 607 for fire safe applications. Intervalve check valve models ivc and ivct are primarily single plate swing check valve with a short pattern wafer body conforming to the api 6d and ansi b16.10 face to face dimensions.
1. low inertia disc design enables the valve to open or close with a very low differential pressure
2. very low face to face dimensions
3. low weight-total weight is only approximately 1/6 the weight of a conventional check valve.
4. short wafer body enables mounting the valve with shorter length fasteners of lesser number compared to flanged swing check valve.
5. savings in handling, packing, transportation, installation and maintenance.
6. saving in terms of overall length required for piping.
7. tightening torque to be applied on the companion flange bolting is lower due to face sealing o-rings.
8. self centering in pipeline due to controlled outside diameter, enables easy installation.