Keep your heavy machinery moving with the Haltec MR-800-8 Super Large Bore Swivel Valve. Specifically engineered for off-the-road (OTR), mining, and heavy agricultural equipment tires, this 8-inch rigid metal valve stem is built to withstand extreme operating conditions while maximizing air-flow efficiency during inflation and deflation.

Key Features & Benefits

• Super Large Bore Design: Significantly increases airflow compared to standard valves, reducing downtime during tire servicing and inflation.
• Rigid Metal Swivel: Provides a durable, secure, and adjustable connection point that prevents air leaks under extreme tire pressures and high-stress environments.
• Premium Assembly Components: Out of the box, the valve typically comes equipped with a high-capacity R-520 core housing (complete with valve core and sealing cap) and dual B-222 lock nuts for a secure vibration-resistant mount.
• Heavy-Duty Construction: Built from premium corrosion-resistant brass to endure the harshest field, mine, and construction site environments.

• Part Number: MR-800-8 (also cross-referenced as DILL-I800-8)
• Length: 8 inches (203.2 mm)
• Valve Type: Rigid Metal Swivel Valve
• Bore Category: Super Large Bore
• Application: Large OTR tires, earthmovers, mining vehicles, and heavy agricultural machinery.

• Specifications