Proportional Manual Lift Control Valve (common model: BKQF34-A) serves as the manual control component for Dump Truck hydraulic lifting systems. Key specifications are as follows:

Core Functionality

Manually operates the handle to control air circuit flow, thereby driving the hydraulic distribution valve to lift or lower the CARGO body. Features proportional adjustment functionality, enabling speed control (fast/slow descent switching) via handle stroke.

Compatible Applications

Suitable for dump trucks, dump trailers, and dump trucks from brands like Dongfeng, Sinotruk, and Shaanxi Automobile. Serves as the core component for manually controlling body operations from the cab.

Key Features

Integrated emergency button (red/yellow key) to manually interrupt control signals during air circuit failures. Features a three-hole/four-hole mounting structure compatible with cab installation interfaces across various vehicle models.