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New Heavy Truck Accessories Dongfeng Truck Spare Parts 9617234360 3517020-H0100 Air Hand Brake Valve

The Part Number 3517020-H0100 is a Manual Control Valve Assembly (Hand Control Valve / Hand-Operated Air Valve) designed for use in the pneumatic systems of heavy-duty commercial vehicles. This valve allows the driver or operator to manually control the flow of compressed air to specific circuits — most commonly used for operating auxiliary functions such as trailer brake control, parking brake release, or axle engagement.

As a key component in dual-circuit air brake and auxiliary pneumatic systems, this hand-operated valve provides reliable, precise, and safe operation under various driving and working conditions. It is widely installed on Dongfeng Commercial Vehicles and other Chinese-made trucks, buses, and specialized transport equipment equipped with standard 24V pneumatic architecture.
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  • 3517020-H0100

  • Dongfeng

Attribute Description
Product Name Manual Control Valve Assembly / Hand Control Valve
OEM Part Number 3517020-H0100
Function Manually controls compressed air distribution in pneumatic systems
Operation Type Lever-type, push-pull or toggle action (3-position common)
Application Parking Brake Release, Trailer Brake Control, Auxiliary Air Systems
Control Positions Typically 3-position: Apply – Neutral – Release
Mounting Location Dashboard or console within driver’s reach
Sealing Material Nitrile Rubber (NBR) or HNBR for oil and temperature resistance
Valve Body Material Die-cast aluminum or engineering plastic with metal internals
Protection Level IP65 – Dust-tight and protected against water jets
气动手刹阀-2


气动手刹阀-3


Parameter Specification
Operating Pressure Range 0.5 MPa – 0.8 MPa (72–116 psi)
Nominal Port Sizes - Inlet (P): G1/4" NPT/F
- Outlet A / B: G1/4"
- Exhaust (E): M10×1 or hose barb
Working Medium Clean, dry compressed air
Temperature Range -40°C to +80°C (-40°F to 176°F)
Actuation Method Manual lever (spring return or detent lock options)
Flow Path Configuration 3/2-way or 4/2-way (depending on version)
Leakage Rate < 3 cm³/min at max pressure (meets GB/T and QC/T standards)
Durability Life ≥ 100,000 cycles under normal operation
Weight Approx. 0.6–0.9 kg
Compliance Standards Meets QC/T 1145-2019, GB16919, ISO 5782-1


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