Pacific TR-3 Inversion Valve ABC289288

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Stock Code:
171159
Hamilton
In Stock
Christchurch
Out of Stock
Price:
$86.12 Excl. GST

Inversion Valve - TR3

Ensure reliable automatic actuation of service or parking brake systems with this TR3 Style inversion valve - engineered for trailer or dolly use where supply line failure or decoupling must trigger a braking application.

Key Features & Benefits:

  • Format: “TR3 Style” inversion valve - designed to automatically apply when a supply line drops or is isolated, and return to normal when supply is restored.
  • Typical pressure range: delivery port activation approximately 42-52 PSI (for certain TR3 style units)
  • Applications: Commonly used on trailers or dollies - e.g., on a dolly it works with a dual supply/immobilising circuit; on a trailer it may interrupt lift-axle controls or perform a “park” function when supply line is evacuated.

Applications:

  • Ideal for heavy duty trailers or dollies where supply line break-away or decoupling must trigger the inversion valve to apply service or emergency brakes automatically.
  • Suitable for fleet servicing, replacement or system upgrades where the original inversion valve is worn, leaking or not reliably triggering at the correct pressure threshold.
  • Useful in systems requiring a “fail-safe” behaviour: when the supply from the towing vehicle is lost or shut off, the inversion valve ensures the trailer/dolly transitions to safe or stand-alone condition.

Why Choose Pacific?

Pacific valves are engineered for reliability, durability, and consistent performance in demanding commercial vehicle and heavy-duty pneumatic systems. With a focus on quality, dependable operation, and proven design, Pacific provides a range of valves and components built to perform in the demanding conditions found in trucks, trailers, buses, and other heavy-vehicle applications. Trusted by workshops, fleet operators, and transport professionals, Pacific delivers practical, reliable solutions that help maintain safe, efficient, and dependable vehicle pneumatic systems.

 

Related:

  • 289288
  • ABC289288
Type:  Qty:  Size: 
Supply Port  1 1/4"
Delivery Port  1 1/4"
Control Port  1 1/8"
Exhaust Port  1 Dust Cover 

Control/Supply Opneing Pressure 42-52 PSI

Constant Supply Opening Pressure 25 PSI

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