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.
Union Holder


  • 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