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Home
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Vents

Vent Caps - VC Series

Emcara Gas Development Inc.
Summary

  • Stainless-steel, spring-loaded construction 
  • Prevents water and foreign material from entering CNG or Hydrogen PRD systems 
  • Resistant to environmental elements, pressure washing, automotive fluids, handling, impact 
  • Designed to vent gas and reseal 
  • Multiple configurations: tube and port connections (VC005, VC007, VC009, VC010, VC014, VC015, VC016) 

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Description Vendor
  • Emcara VC Series Vent Caps are stainless-steel, spring-loaded vent caps designed to prevent water and foreign material from entering CNG or Hydrogen PRD systems. They release gas during venting events and reseal for continued performance.
  • VC005 and VC010 are sized for use with Emcara PRDs without reducing the flow rate. VC007 is sized for use with Emcara’s Badger BAV without reducing the overall flow rate.
  • All vent caps must be replaced following PRD activation.

Available Configurations

  • VC005: 1/2” tube (with or without nut & ferrule set)
  • VC007: 3/4” tube (with or without nut & ferrule set)
  • VC009: 3/8” tube (with or without nut & ferrule set)
  • VC010: SAE-8 J1926 Port (nominal 1/2" tube OD)
  • VC014: 3/4” NPT Port
  • VC015: 3/4” tube (with or without nut & ferrule set)
  • VC016: 1” NPT (threads into 1” NPT fitting) 

Use Cases

  • Use with Emcara PRDs without reducing flow rate (VC005 & VC010) 
  • Use with Emcara Badger BAV without reducing overall flow rate (VC007) 
  • Preventing water and foreign material ingress in CNG or Hydrogen PRD systems

Capabilities

  • Releases gas during venting events and reseals automatically 
  • Provides retained pressure below 0.5 bar under specified PRD1 flow conditions (VC005 & VC010) 
  • Compatible with specified tube and threaded connection standards (tube, NPT, SAE-8 J1926)
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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