Zook SFAZ Bursting Disc
The Zook SFAZ Bursting Disc (rupture discs) is a solid metal scored disc design. They are designed to be used specifically in the UHZ Holder. The Zook SFAZ Bursting Disc incorporates a Fail-Safe Design. If the SFAZ Series Disc is damaged or incorrectly installed, it will always burst at or below the marked burst rating as indicated on the disc tag.
- Non-fragmenting solid metal cross scored disc is scored on the vent side to minimize the effect of product build-up
- Operating pressures up to 90% of marked burst pressure
- Flat seat design
- ASME UD marking available (Gas service only)
- Solid metal scored disc designed for Non-fragmentation
- Excellent for liquid, gas or 2-phase flow
- Scored after disc material is formed to a high crown height. Permits use of thicker material and allows lower burst ratings which withstand full vacuum
- Burst ratings 15 to 3600 psig
- Sizes 1/29thru 249diameters
- Temperature ratings to 1000°F (538°C)
- Standard material of construction is Nickel. Optional materials 316SS, Inconel, Monel, Hastelloy C and Aluminum are available
- 3-dimensional stainless steel tag permanently engraved with complete disc specifications
- ASME UD marking available (gas service only) Polymerization Vessel Protection
- Withstands corrosive attack
- Positive-to-negative cycling
- Higher operating ratio
- Use alone or combine with relief valves
Relief Valve Protection:
SFAZ Series Discs mounted under the valve isolates working parts from hostile environments
Options:
Liners: TFE liners are available to provide protection from corrosive media if required. Refer to Table 1 for maximum temperature ratings for discs and liners.
Protective Rings are recommended for use with SFAZ Series Discs to provide stability and protection when thin materials and/or liners are used
UHZ Type Flat Seat Insert Disc Holder:
Features
- Flat seat provides improved rupture disc sealing
- Available in nominal sizes ranging from 1/2″ thru 30″ in standard flange classes
- Standard materials of construction are 316SS and carbon steel. Other materials available on request
- Permanently attached stainless steel nameplates are standard. Nameplates indicate flow direction and provide visual verification that holder assembly is properly oriented in the piping system
- Stainless steel safety designed side clips are standard, allowing for pre-assembly of disc into holder
- Fits type SFAZ, FDZ and FPBZ Series Discs
- Available options include: gauge tap; nipple and tee; excess flow valve; pressure gauge; J-hook; special facings and coatings
Zook SFAZ Bursting Disc Spec Sheet
Zook SFAZ Bursting Disc Spec SheetZook SFAZ Bursting Disc Installation Guide
Zook SFAZ Bursting Disc Installation GuideZook UHZ Disc Holders Spec Sheet
Zook UHZ Disc Holders Spec Sheet