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Leaders in valving technology, Pacbrake brings forward vast expertise to its PowerHalt shut-off valve product line from over 50 years of valving experience and millions of valves in service to-date.

PowerHalt provides a complete air intake shutdown system, to prevent catastrophic damage to equipment and personnel during a diesel engine runaway.

  •  Direct replacement to existing product lines
  •  Butterfly type valves in various design configurations
  •  Simple operating procedures
  •  Custom designs (customer co-development for new projects)

PH1 Shut-Off Valves

PowerHalt’s PH1 is an inexpensive solution for your safety needs. This option is recommended when the operator works in close proximity to the equipment.

  • 1.75" to 2.5" sizes available
  • Compact & lightweight
  • Low maintenance
  • Pull cable valve

PH2 Shut-Off Valves

PowerHalt’s PH2 Shut-Off Valves come with various control and actuation options that cover a broad range of industry applications & requirements. Custom kits are available for most pick-up trucks.

  • 2.8" to 5.5" sizes available
  • Designed for extreme environments
  • Rigorously tested
  • Zero leakage

PH3 Shut-Off Valves

PowerHalt’s PH3 Shut-Off Valves offer one of the safest control options on the market – providing a hands-free operation with an automatic reset function as well as various control options. It also has a built in anti-foul cycle for automatic valve maintenance.

  • 1.75" to 4" sizes available
  • Compact & lightweight
  • Maintenance free
  • Smart system

PH5 Shut-Off Valves

PowerHalt’s PH5 Air Intake Emergency Shut-Off Valve is the newest member of the PowerHalt family.This newly improved valve is designed using the best aspects of PH2 and PH3 PowerHalt line of products.

  • 1.75" to 5" sizes available
  • In compliance with CSA B621-14 & B622-14
  • Operator friendly automatic operation with manual reset and override
  • High temperature design for challenging thermal applications

PowerHalt Shut Off Valves Catalogue