Pacific Relay Valve - R12 Style - ABC104561

(0 reviews)
Stock Code:
170218
Hamilton
In Stock
Christchurch
Low Stock
Price:
$218.02 Excl. GST

Relay Valve - R12
Optimise your heavy‑duty vehicle or trailer air‑brake system with this R12 Style relay valve, Style 3 variant — engineered for rapid application and release of service and parking brakes on long wheel‑base or multi‑axle vehicles. Specs typical of the R12 style include: supply port ½″ NPT, four delivery ports (various sizes), control port ~¼″ NPT, crack (or actuation) pressure around 4 PSI.

Key Features & Benefits:

  • Recognised “R12 Style” format - widely used across heavy transport air‑brake systems.
  • High‑capacity delivery ports (often four outlets) suited to actuators on rear axles or large brake chamber banks, enabling faster fill times and improved response.
  • Low crack pressure (~4 PSI) for quick actuation when the service brake valve is signalled, which helps reduce lag in brake application.
  • Suitable for heavy‑duty vehicle systems with long air lines, multiple chambers or high flow demands, making it a suitable upgrade or replacement in challenging setups.

Applications:

  • Ideal for trucks, trailers or multi‑axle combinations where a reliable relay valve is required to serve rear service/parking brake circuits efficiently.
  • Excellent replacement part when original relay valves show slow response, inadequate exhaust capacity, or are mismatched to the system’s demands.
  • Useful in fleet servicing or maintenance settings where standardising on a robust valve format (like R12 Style) simplifies stocking and servicing.

Why Choose This Valve?
Using a correctly specified valve such as this ensures your braking system remains responsive, safe and efficient - especially under heavy‑load or high‑length configurations. The R12 Style format helps ensure compatibility and reduces unknowns in parts selection. The Style 3 variant provides the same trusted base while potentially offering variant porting or mounting suited to your specific installation.

 

Replaces:

  • 104561
  • ABC104561
Type:  Qty:  Size: 
Supply Port  1 1/2" 
Delivery Port  4 3/8" 
Control Port  1 1/4" 
Exhaust Port 1 Dust Sheild 

5.5 PSI Crack Pressure, With Bracket 

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