Advanced Pressure Systems (APS) Rupture Disc Holder Assembly, 1/2" NPTM, Max Burst Pressure 15000 PSI, 35-008-000
Technical overview
The APS 15K GDWJ-Style Rupture Disc Holder is a fully assembled, stainless-steel pressure safety component designed to operate at up to 15,000 psi. Featuring a domed GDWJ-style disc and 1/2" NPTM male threading, it ensures safe and controlled burst venting in high-pressure water systems. This model includes a Buna-N 90 durometer O-ring, a secure hold-down ring, and a green-coded safety shroud for immediate visual pressure range recognition. Its modular, field-serviceable design allows quick and tool-free disc replacements, enhancing operational uptime and safety compliance.
Key Features
• Rated for 15,000 psi operation
• 1/2" NPTM male threaded connection
• GDWJ-style disc seating (disc type 77512042)
• Integrated green safety shroud
• Buna-N 90 durometer O-ring
• Tool-free disc replacement with lock nut
• Stainless-steel corrosion-resistant body
• Prevents coin-style bypassing
Applications
• Overpressure protection in high-pressure waterblast systems
• Safety relief for positive displacement pump circuits
• Used in hydrodemolition and surface preparation equipment
• Integrated into Jetstream, NLB, or similar waterjetting setups
• Installed upstream of sensitive nozzles and hoses to prevent damage
• Common in maintenance and cleaning of tanks, heat exchangers, and pipelines
Component Breakdown
• Body: 35-008-002
• Hold-down Ring: 35-008-001 (GDWJ Type 77512009)
• Nut: 35-008-003
• Safety Shroud: 35-008-068 (Green)
• O-Ring: 30-001-910 (3-910 Buna-N, 90 duro)