Two-Way - Graphite Disks
Two-Way
The TWO-WAY Type Graphite Disk is dual rated to protect against two different pressures in opposite directions.
Features
- Dual rated to protect against two different pressures in opposite directions
- Applications include protection of storage tanks against both excess vacuum and overpressure when single vessel entry is required
- Sizes 1-1/2” (38 mm) thru 24” (610 mm) diameters
- Designed to fit industry standard flanges ASME B16.5, ISO and JIS
- Burst ratings 0.25 psig (0.02 barg) to 1000 psig (68.95 barg) or higher
- 0% manufacturing range
- Operating pressures to 90% of the disk’s marked burst pressure. Contact ZOOK for operating ratio for burst pressures below 40 psig (2.76 barg)
- Temperature ratings –290°F to +430°F (–179°C to +221°C). Contact ZOOK for higher temperature ratings. The specified temperature shall be at the disk location at the time when the disk is expected to rupture
- Carbon steel armor standard, 316SS optional
- Furnished complete with PTFE gaskets attached. Other gasket materials are available
- Generally a minimum differential of 10 psi is required between burst ratings. Contact ZOOK for other burst rating combinations
- PED (CE) compliance available
Specifications
Installation
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