Product Overview
The 4R310-10 Manual Air Control Valve is a 3/8″ NPT 5-way, 2-position hand-pull valve designed for precise pneumatic flow control in heavy-duty truck and trailer applications. It’s commonly used for lift axle actuation, dump body control, air tailgates, tarping systems, and other auxiliary air functions.
Built with a durable aluminum body and precision spool design, this valve provides smooth operation and long service life under continuous use. Ideal for shop-built or OEM pneumatic control panels where dependable manual operation is required.