The working principle of spring-loaded safety valve



The working principle of spring-loaded safety valve
The spring-type safety valve relies on the force of the spring to press the valve core on the valve seat, so that the safety valve is in a closed state, and the bottom of the valve core is pushed up by the steam. During normal operation, the downward pressing force of the spring is greater than the upward thrust of the steam, and the valve is closed. When the steam pressure reaches the seating pressure of the safety valve, the force of the steam on the valve core is greater than that of the spring, so that the valve core is lifted up, and the rotor pump safety valve exhausts steam. The seat pressure of the safety valve can be adjusted by changing the tightness of the spring through the adjusting screw on the upper part of the valve stem.

The working principle of spring-loaded safety valve

This safety valve has the advantages of convenient adjustment, small volume and weight, and large steam exhaust capacity, and is suitable for boilers with different parameters and different capacities.

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