Spring Fully Open Closed Safety Valve

The spring fully open and closed safety valve designed by Dazhong Valve Group is a cooperative brand of YOY Yongyi Valve Group. The valve stem is set inside the valve cavity formed by the valve body and the valve cover. The valve cavity is set in a closed structure, and the other end of the valve cover relative to the valve body is provided with a ring-shaped mounting boss, and the inner diameter of the mounting boss matches the outer diameter of the adjusting screw sleeve. The valve cap is sealed and installed, which effectively prevents the toxic gas, liquid or corrosive medium flowing through the valve from leaking into the air, which meets the requirements of the pipeline and ensures the safety of the environment.

• Reed fully open and closed safety valve, the valve stem is set inside the valve cavity formed by the valve body and the valve cover, and one end of the valve stem is linked with the valve disc through the recoil plate.

• The valve stem casing has a spring, the spring is provided with an upper spring seat and a lower spring seat, the upper end of the spring is linked and connected with the adjusting screw sleeve that is also sleeved on the valve stem through the upper spring seat, and the lower end of the spring abuts on the lower spring seat superior.

• The valve cavity is set in a closed structure, and the other end of the valve cover relative to the valve body is provided with a ring-shaped mounting boss. The inner diameter of the mounting boss matches the outer diameter of the adjusting screw sleeve. Cover the bonnet of the adjusting screw.

• The inner wall of the bonnet is provided with a connecting portion that is sealed with the mounting boss, and the outer diameter of the mounting boss is adapted to the inner diameter of the connecting portion. The bonnet is sealed at the other end of the bonnet relative to the valve body, effectively It prevents the toxic gas, liquid or corrosive medium flowing through the valve from leaking into the air, meeting the requirements of the pipeline and ensuring the safety of the environment.