Union Type Holder

The Union Type Rupture Disk (bursting disc) Holders are reusable units for use on air conditioning systems, high pressure cleaning equipment, gas cylinders, laboratory equipment and autoclaves.


  • Low cost, ideal where installation space is limited
  • Standard 30° angle seat design
  • Sizes: 1/2", 3/4", 1", 1-1/2", 2"
  • Standard materials of construction: carbon steel and stainless steel. Other materials are available, contact ZOOK
  • 2U Threaded (FNPT) inlet and outlet connections standard. Contact ZOOK regarding Butt-weld or Socket-weld connections
  • ASME UD marking is available upon request