Pacific Double Check Valve - DC4 Style - ABC278614

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Stock Code:
170186
Hamilton
Out of Stock
Christchurch
Out of Stock
Price:
$75.00 Excl. GST
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Double Check Valve - DC4
Ensure reliable air supply redundancy in your heavy-duty vehicle air system with this DC4 style double check valve designed with 3/8″ ports. Engineered for situations where a component must receive air from the higher of two pressure sources, this valve safeguards supply continuity and prevents loss of pressure when one source drops.

Key Features & Benefits:

  • Dual-inlet ports and a single delivery port: internal shuttle or disc mechanism selects the higher-pressure source and allows flow from that source only.
  • Suitable for applications requiring seamless dual-supply redundancy — for example where two reservoirs feed one circuit and you want whichever reservoir or supply line has the higher pressure to feed the circuit.
  • Easy direct replacement for common OEM part numbers (e.g., 278614) and compatible with major air-brake system manufacturers.

Applications:

  • Ideal for trailers, heavy trucks or commercial vehicles with dual-supply air systems where a single function (e.g., control circuit, valve feed) must receive the higher pressure of two sources.
  • Useful when upgrading or maintaining fleet reliability by ensuring that even if one source dips, the system automatically switches to the stronger source without interruption.
  • Replacement part for existing DC4-style double check valves (3/8″ variant) where plumbing for both sources remains viable.

Why choose this valve?
Selecting the correct DC4 style double check valve (with 3/8″ port size) offers you safety and reliability: it protects against unintended pressure loss, maintains supply stability, and simplifies servicing due to standardised format. By ensuring correct specification (3/8″ ports, dual inlets, single outlet, DC4 style), you avoid mismatch, downtime and potential system faults.

 

Related 

  • 278614
  • ABC2768614
Mounting: Ø .34"
Supply Port 1: 3/8" 18 NPT
Supply Port 2: 3/8" 18 NPT
Max Operating Temperature: 200 °F (93 °C)
Min Operating Temperature: -40 °F (-40 °C)
Delivery Port 1: 3/8" 18 NPT

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