A service valve is responsible for controlling the flow of fuel that enters the engine. It contains a seal O-ring, valve seal, and valve nozzle. The seals are used to help prevent fuel leaks around the valve. The nozzle is typically designed to provide precise control over the fuel flow rate and direction.

Attributes:
• Provides a safe way to control the flow of fuel to the fuel injection lines
• Manufactured to precise specifications and are built for durability and reliability.

Applications:
A service valve helps to control the fluid flow.