Advanced Pressure Systems (APS) Rupture Disc Holder Assembly, 1/2" NPTM, 15K Complete, Max Burst Presssure 15000 PSI, GDWJ Style, for Protecting Pump Systems from Overpressure, 35-008-000

Part Number : 35-008-000

Brand :
Advanced Pressure Systems (APS)

Robust and compact rupture disc holder designed for high-pressure systems up to 15,000 psi. Integrates 1/2" NPTM threading and GDWJ-style disc seating with enhanced safety shroud.

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Description

The APS 15K GDWJ-Style Rupture Disc Holder (35-008-000) 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

• Full pre-assembled cartridge

• APS safety-compliant design

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

• Suitable for use with 15K, 20K, and 40K psi pressure-rated systems

• Common in maintenance and cleaning of tanks, heat exchangers, and pipelines

• Deployed in OEM assemblies for industrial cleaning units

• Helps minimize downtime by allowing quick rupture disc replacement

• Recommended for use in environments where safety is critical under fluctuating pressures

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)

• Compatible Disc: GDWJ Type 77512042

• Thread Type: 1/2" NPTM

• Material: Stainless Steel

• Assembly Style: Pre-assembled rupture disc cartridge

• Function: High-pressure burst protection up to 15K psi

Downloads

APS 15K_Catalog_Compatible.pdf

pdf

Specifications

Pressure rating
15,000 psi
Thread Interface
1/2″ NPTM Male
Disc Seating Style
GDWJ Domed-Deflector
Safety Shroud Color
Green
Seal material
The choice mostly depends on chemical resistance, temperature and pressure ratings. Use our chemical resistance chart to search for compatibility with specific substances.
Buna-N (90 durometer)
Material
Choose a housing material that is not corroded by the media and environment , and can withstand the temperatures and pressures. Check out our chemical resistance chart.
316 Stainless Steel
Assembly Type
Complete pre-assembled cartridge
Safety Feature
Prevents coin substitution
Serviceability
Tool-free field replacement
Recommended Use
Waterblast overpressure protection

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