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7 Tips for Introduction of Elastic Metal Hard Seal Butterfly Valve

  • 2021-05-09 19:38

        The elastic metal sealing butterfly valve is a  key new product. The high-performance elastic metal sealing butterfly valve adopts a double eccentric and a special oblique cone oval sealing structure. It solves the shortcoming of the traditional valves.com/a/NEWS/2021/0422/23.html' target='_blank'>eccentric butterfly valve that the sealing surface is still in sliding contact friction at the moment of opening and closing 0°-10°, and the sealing surface of the butterfly plate is separated at the moment of opening, and the effect of closing the contact is sealing, so as to extend the service life and maximize the sealing performance. Good purpose.



        Used in the gas pipeline in the sulfuric acid industry: the inlet and outlet of the blower in front of the furnace, the inlet and outlet of the relay fan, the electric demisting series and the connecting valve, the inlet and outlet of the S02 main blower, the adjustment of the converter, the inlet and outlet of the preheater, etc. to adjust and cut off the use of gas volume.


        It is used in the sulfur burning, conversion and dry absorption sections of the sulfur-burning sulphuric acid plant. It is the preferred brand of valves for the sulphur-burning sulphuric acid plant. It is regarded by the majority of users as: good sealing performance, light operation, secondary corrosion, high temperature resistance, convenient operation, The flexible, safe and reliable butterfly valve has been widely promoted and used.


        It is also widely used in: SO2, steam, air, gas, ammonia, CO2 gas, oil, water, salt water, lye, sea water, nitric acid, hydrochloric acid, sulfuric acid, phosphoric acid in the chemical, petrochemical, smelting, pharmaceutical, food and other industries It is used as a regulating and intercepting device on pipelines of other media.


Structural features:


1. The unique design of three-way eccentricity enables frictionless transmission between the sealing surfaces and prolongs the service life of the valve.

2. The elastic seal is produced by the torque.

3. The clever wedge-shaped design makes the valve have the function of automatic sealing as the valve closes tighter and tighter, and the sealing surface has compensation and zero leakage.

4. Small size, light weight, light operation, easy to install.

5. Pneumatic and electric devices can be configured according to user requirements to meet the needs of remote control and program control.

6. The material of replacement parts can be applied to various media, and can be lining anti-corrosion (lining F46, GXPP, PO, etc.).

7. Diversified continuous structure: butt clamp, flange, butt welding.

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