Description
Product Overview
Part Name: DC-4 Double Check Valve / Pneumatic Shuttle Valve
Part Number: 278614
Vehicle Compatibility: Heavy-duty truck, tractor and trailer pneumatic systems requiring a compatible Bendix DC-4 double check valve.
Configuration: Shuttle-type pneumatic double check valve with two supply inputs and a common delivery circuit.
Function: Automatically selects the higher-pressure air source from two inputs while sealing the lower-pressure source, allowing either control circuit to operate the connected pneumatic function.
Technical Specifications
Type: DC-4 Double Check Valve
Manufacturer: Bendix
Valve Design: Shuttle-Type Double Check Valve
Supply Ports: Two 3/8-18 NPT Female
Delivery Port: 3/8-18 NPT Female
Mounting Hole: Approximately 0.34 in
Minimum Operating Temperature: -40°F / -40°C
Maximum Operating Temperature: 200°F / 93°C
System: Heavy-Duty Pneumatic / Air Brake System
Application: Pneumatic Air-Source Selection
Primary Part Number: 278614
Service Reference: 278614N
Additional Verified Reference: 283321
Installation: Confirm the existing valve number, port thread sizes, mounting arrangement and pneumatic circuit configuration before installation.
Delivery & Availability
Stock Options: High-quality aftermarket & genuine Bendix DC-4 double check valves available
MOQ: 1
Delivery Time: 3–7 days
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