294200-2960 Suction Control Valve
Product Overview
The basic working principle of a fuel metering valve is to use electromagnetic force to control the movement of the valve core, thereby changing the cross-sectional area of the fuel passage and thus regulating the fuel flow. Its core components include an electromagnetic coil, valve core, spring, and valve body. After the ECU calculates the required fuel injection quantity based on parameters such as engine speed, load, and oxygen sensor signals, it sends a control signal to the fuel metering valve. This signal is transmitted to the electromagnetic coil in the form of an electric current, generating electromagnetic force that overcomes the spring preload, causing the valve core to move and thus regulating the fuel flow.
Product Features
Precise control: It can precisely control the fuel flow, so that the engine always operates at the optimal air-fuel ratio, thereby improving fuel economy, reducing fuel consumption, and reducing exhaust emissions.
Fast response speed: It can quickly respond to the control signals of the ECU, ensuring that the engine maintains good power output under conditions such as acceleration and deceleration.
Compact structure: small in size, light in weight, and easy to install in the engine fuel system.
Reliable quality: The production and processing process is strictly controlled to ensure quality. For example, Weichai's fuel metering valves are produced with strict quality control to ensure the economy and reliability of the products.
Working principle: SCV valves are mainly of two types: electromagnetic and thermal sensing. Models 294200-2960 are usually electromagnetic. They control the opening and closing of the valve through electromagnetic force, thereby precisely regulating the fuel flow.
Function: Primarily used to control fuel supply and pressure, thereby regulating engine speed and power. It plays a crucial role in the engine fuel system by connecting to the engine control unit (ECU) and controlling the amount of fuel injection, directly affecting engine performance.










