They are superior products that are offered as DOUBLE FLANGE, SINGLE FLANGE, with sealing gasket channel on the body and sealing elements supplied with the unit, and with standard EPDM disc, thus having a maximum temperature limit of 120 °C.

Types with NITRILE discs provide water tightness at 0.2 bar pressure.

It is in the diameter range of 100 - 400 mm.