• Sizes 1/2" thru 24" diameters
• Designed to fit ASME B16.5 Class 150 flanges (Higher ratings to fit Class
300 flanges are furnished in the INVERTED and DUPLEX Type Disks)
• Burst ratings 0.25 to 150 psig
• 0% manufacturing range
• Operating pressures to 90% of the disk’s marked burst pressure
• Temperature ratings –290°F to +700°F (–179°C to +371°C). Maximum
temperature rating without insulation is 430°F (221°C) or 700°F
(371°C) with insulation.
• Counterbored side of the disk contacts the process media
• Vacuum supports are available for ratings below 25 psig
• May be configured to withstand high back pressure
generated in closed piping systems
•ASME UD marking available