10,000 PSI Long Trigger Pressure Relief Device – Hydrogen LT22X Series

Emcara Gas Development Inc.

Thermally activated Long Trigger PRD designed for hydrogen systems
Surface finishes, material treatments, and internal mechanisms designed to prevent hydrogen embrittlement
Designed to operate at higher pressures inherent with hydrogen systems
Tested for dimensional compliance and performance standards

The LT22X Series is a thermally activated Long Trigger Hydrogen Pressure Relief Device (HPRD) rated for 10,000 psi nominal (700 bar).
It is specifically designed for use with hydrogen systems and incorporates surface finishes, material treatments, and internal mechanisms intended to prevent hydrogen embrittlement and operate at high hydrogen pressures.
Trigger lengths are available in multiple configurations. Each 10,000 psi PRD is tested for dimensional compliance and performance standards.
Nominal lengths available from 36 in to 240 in, depending on model number (LT22X, LT22X-048, LT22X-060, etc.) with specified tolerances.
LT224: High Pressure Female Port 9/16"-18 UNF
LT225: Medium Pressure Cone & Thread Female Port 9/16"-18 UNF
LT226: 1/4" Female NPT Port

Use Cases

Hydrogen storage systems
High-pressure hydrogen fuel systems
Applications requiring thermally activated long-trigger pressure relief protection

Capabilities

Rated for nominal working pressure of 700 bar (10,000 psi)
Thermally activated at 110 °C
Activation time approximately 30 seconds
Flow capacity 970 SLPM (per HPRD1)
Multiple trigger length configurations available
Multiple inlet port configurations available

Emcara Gas Development Inc.

Emcara Gas Development Inc. designs and manufactures safety-critical pressure relief and fire-protection components for high-pressure hydrogen storage and fuel systems. Its portfolio includes thermally activated hydrogen pressure relief devices (HPRDs/PRDs) engineered for fast response in bonfire scenarios, with defined activation behavior and standardized inlet/outlet interfaces to simplify integration into tank and vent-line architectures. The company positions its designs around hydrogen service realities (materials and surface treatments selected to mitigate embrittlement risk) and backs products with validation testing relevant to vehicle and high-pressure applications (e.g., hydro, cycle, leak, drop/vibration, and bonfire-type testing depending on configuration). For procurement and engineering teams, the core value is a component supplier focused on compliance-minded safety performance, repeatable integration, and documentation/testing evidence for high-pressure hydrogen platforms.

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