Style ZG is a variation of Style PN , utilizing an integral outer location ring for correct gasket positioning within the flange bolt circle or in a recess. Style ZG is recommended for use on standard raised face and flat face flange assemblies.
Standard core materials are 4mm thick, while the soft gasket facing are 0.5mm thick, although these values can be adjusted to suit specific needs. Thickness of outer location ring is 2mm as standard.
Suitable for class 150 to 2500 service.