TIRE VALVE TYPES, COMPONENTS & USES
TIRE VALVE TYPES, COMPONENTS & USES
While there are three basic types of tire valves: rubber snap-in, high-pressure snap-in and high-pressure metal clamp-in, it's the vehicle, required tire inflation pressures, driving conditions and wheel design that dictate which type of valve is appropriate for the application. The Tire and Rim Association in the United States has assigned valve design numbers for the various types and dimensions.
In order to complement wheel styling, valves can be fitted to the wheel in any position from horizontal to vertical. Nearly horizontal valve alignment is the most common and used by many wheel manufacturers to accept valve mounted tire pressure monitoring system transmitters. While tire valves will operate at any angle, valves mounted in a vertical axis used at high speeds are more likely to experience pressure loss due to centrifugal forces depressing the valve core and allowing air to escape.
Tubeless Rubber Snap-In Valves
Tubeless rubber snap-in valves allow a maximum cold tire inflation pressure of 65 psi and are designed for passenger car, light-duty trailer and light truck applications, as well as are suitable for use in autocross competition. Rubber snap-in valves are available to fit either .453" or .625" diameter holes in the rim and have effective lengths ranging from 7/8" to 2-1/2". While most rubber snap-in valves use a plastic cap, some are fitted with chrome sleeves and metal caps to help complement the appearance of custom or alloy wheels.
| Industry Valve Number |
Max Inflation Pressure (PSI) |
Effective Length (Inch) |
Hole Diameter in Wheel (Inch) |
|---|---|---|---|
| 412 | 65 | 0.88 | 0.453 |
| 413 | 65 | 1.25 | 0.453 |
| 414 | 65 | 1.50 | 0.453 |
| 415 | 65 | 1.75 | 0.453 |
| 418 | 65 | 2.00 | 0.453 |
| 423 | 65 | 2.50 | 0.453 |
| 415 | 65 | 1.25 | 0.625 |
| 425 | 65 | 2.00 | 0.625 |
