Zook RAH Pre-Torque Bursting Disc Holder

Holder Design:

• One holder design accepts multiple disc types (RA4, RA6, RA8, and RAX)
• Disc dome contained within the inlet holder for protection during installation

Locating Pin: Ensures only reverse-acting type discs are mounted correctly

Fluoropolymer Coated Socket Head Cap Screws: Corrosion-resistant and easily removable

Polyethylene Cap Screw Covers: Prevents debris buildup

Positioning Hole in Mounting Lug: Aids in proper alignment during installation

Pre-Torque Design:

• Allows pre-assembly of the rupture disc into the holder before installation
• Enables removal for inspection without disturbing the seal integrity
• Ensures proper seating of the disc with pre-torque bolts

Bubble Tight Seal: Ensures metal-to-metal bite and disc seal

Flow Direction Arrows: Provides visual verification of correct orientation

Flange Compatibility: Guards against mismatched pressure ratings in mating flanges

• Chemical Processing
• Oil & Gas
• Pharmaceutical Manufacturing
• Petrochemical Plants

• Pressure Relief Systems
• Safety Devices in Piping Systems
• Applications requiring reverse-acting rupture discs