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Vents

Dual Stage Burst Vent - Donaldson

Donaldson Company, Inc.
Dual Stage Burst Vent - Donaldson
Dual Stage Burst Vent - Donaldson
Dual Stage Burst Vent - Donaldson
Summary

  • Proprietary hydrophobic and oleophobic Tetratex® expanded polytetrafluoroethylene (ePTFE) membranes, enhancing performance and protection.
  • Provides consistent pressure equalization while keeping the battery pack sealed from external contaminants.
  • Features a protective body and retention cap with burst pins that pierce the membrane providing quick pressure relief at a rate of 25 liters/second @ 300 mbar.

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Description Technical Specifications Downloads Vendor

Dual Stage Venting Solutions - Dual Stage Burst

  • Donaldson’s dual-stage venting solutions offer manufacturers innovative options to meet their operational needs.
  • These vents feature proprietary hydrophobic and oleophobic Tetratex® expanded polytetrafluoroethylene (ePTFE) membranes, enhancing performance and protection.
  • The dual-stage Burst vent provides consistent pressure equalization while keeping the battery pack sealed from external contaminants.
  • The low-profile vent features a protective body and retention cap with burst pins that pierce the membrane providing quick pressure relief at a rate of 25 liters/second @ 300 mbar.
    • Screw-Fit or Quarter-Turn Bayonet Interface
    • Minimum Airflow of 17.8 liters/hour @ 10 mbar
    • Opening Pressure of 250 mbar

Key features

  • Tetratex® ePTFE Membrane: Hydrophobic and oleophobic properties for superior protection against water, dirt, and other contaminants.
  • Pressure Equalization: Ensures consistent pressure equalization with a minimum airflow of 17.8 liters/hour at 10 mbar during normal operation.
  • Burst Vent: Provides quick pressure relief at 25 liters/second at 300 mbar, maintaining battery pack integrity.
  • Retention Cap with Burst Pins: Protects the membrane from spray and is tested for water and air tightness.
  • Body: Protects the membrane from spray.
  • Quarter-Turn Bayonet Interface: Allows easy attachment to the battery pack housing, also available with a Screw-Fit interface.
  • O-Ring: Provides reliable sealing to the battery pack wall.

Technical specifications

  • Minimum Airflow During Normal Operation: 17.8 liters/hour @ 10 mbar
  • Opening Pressure (Typical): 250 mbar
  • Degassing Airflow (Typical): 25 liters/sec @ 300 mbar
  • Ingress Protection (IP) Grade: IP67, IP68, IP69K*
  • Membrane: Hydrophobic & Oleophobic Tetratex® ePTFE
  • Interface Options:
    • Bayonet: ¼ turn – various thicknesses
    • Screw-Fit: M32 x 1.5 Thread
  • Temperature Range: -40°C to 125°C
  • Size: 51 mm Diameter, 13.7 mm Height (above enclosure)

Application areas

  • Battery Electric Vehicles
  • Hybrid Electric Vehicles
  • Heavy Duty Vehicles
  • Battery Energy Storage Systems
  • Commercial Battery Packs

Contact us

  • Since 1915, Donaldson's innovation has driven them to develop new technologies in order to solve the world's most complex filtration challenges. Interested? Please contact Donaldson by filling in the contact vendor form.
Brand Donaldson
Ingress Protection Rating IP67, IP68, IP69K
Manufacturing Readiness (MRL) 9
Technology Readiness (TRL) 9
Max Ambient Temperature (in °C) 125
Min Ambient Temperature (in °C) -40
Download
Donaldson_Dual Stage Vent Burst 1-Pager.pdf
Donaldson Company, Inc.

As a global leader in the filtration industry, Donaldson Company helps solve some of the world's most complex filtration and contamination control challenges. Our filtration technologies and products are used every day in a variety of industries and environments, including aerospace, agriculture, construction, food and beverage, manufacturing, mining, power generation, transportation and many more. Our success comes from our 13,000+ employees, the support our customers receive, and more than 140 manufacturing and distribution centers on six continents.

Proven filtration, future redefined.

Our alternative power filtration solutions are designed to reduce dependence on fossil fuels, lower greenhouse gas emissions, and enable greener operations, all while maintaining top-tier productivity levels. For more than 20 years, Donaldson engineers and advanced materials experts have worked collaboratively with leading OEMs and Tier 1 / Tier 2 suppliers to develop customized solutions that meet specific fuel-cell application requirements in critical areas. Donaldson offers customized solutions that incorporate high efficiency media and carbon layers to effectively address the sources of fuel cell contamination.

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