Valve structural requirements

Tire valve is indispensable hollow part of a very important.

Currently, the most commonly used valve is a spring with several types of valve cores. Modern hollow tube valve is a check valve for filling air, and holding the tube; may emit air in the tube through the check valve when necessary.

The basic requirements valve structure is to ensure that:

(1) easy to inflate and deflate;

(2) can check the internal pressure in the tube;

(3) air tightness (valve does not leak air);

(4) can be combined with a solid tube wall, but can be replaced;

(5) valve structure types and a variety of simple and uniform specifications of the components are to be replaced;

(6) a solid tube working pressure;

(7) light.