The REV™ type disk is suitable for applications where vacuum
conditions exist and when the burst pressure is less than 22psig (1.52
bar).
REV-7R™ Safety Head A locating pin on the REV™ disk
mates with a location hole in the safety head outlet thus eliminating
incorrect installation. The REV-7R™ safety head is provided with an
integral non-opening vacuum support on the process side of the safety
head
Vacuum Supports are designed to maximize venting
capacities while maintaining structural strength
Flange Ratings The safety heads are designed to fit
between all standard international pipe flanges, ANSI, DIN, AFNOR, BS,
JIS and to nestle within the flange bolts
Material Safety heads are available in impregnated
graphite or 316SS as standard