Zook URA Bursting Disc
The Zook URA Bursting Disc series incorporates a scoreless design that offers higher cycle life when compared to scored reverse acting discs. The Zook URA Bursting Disc covers the majority of rupture disc/bursting disc applications. It has also been specially designed to be used in the URA-I Disc Holder
Features of the Zook URA Bursting Disc:
- Single disc design covers 95% of plant requirements
- Scoreless design offers higher cycle life when compared to other scored reverse-acting discs
- Low and high burst pressures available in a single design
- Excels in liquid or gas applications
- 0% manufacturing range is standard
- Operates to 90% of the disc’s rated burst pressure
- Non-fragmenting design
- Low and high burst pressures available in a single design
- Withstands full vacuum without vacuum support
- Excellent for isolating safety relief valves
- Damage ratio of 1.0 or less
- Resists product buildup. Only the smooth convex side of the disc is exposed to the process medium
- Additional TFE corrosion protection available (specify URA-L)
- 3–dimensional stainless steel tag is standard
- ASME UD marking available
- Also designed to be used in the URAI type holder
- Additional TFE corrosion protection is available
- Insert type Rupture Disc Holder – designed exclusively to be used with the URA Series Rupture Disc
- The URA-I Holder and Rupture Disc are assembled using safety designed side clips
The Zook URA Bursting Disc also uses its own URA-I Disc Holder. This holder has a number of key features:
- Insert type Rupture Disc Holder â designed exclusively to be used with the URA Series Rupture Disc
- Non-torque sensitive flat seat design
- The URA-I Holder and Rupture Disc are assembled using safety designed side clips
- Standard materials of construction: 316SS and carbon steel. Other materials available upon 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
- Available options include: gauge tap; nipple and tee; excess flow valve; pressure gauge; J-hook; special facings and coatings
Zook URA Bursting Disc Spec Sheet
Zook URA Bursting Disc Spec Sheet