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Disc Springs for Valves

Disc Springs for Valves

Disc Springs for Valves, also be known asBelleville Springs for Valves, Belleville Washers for Valves... Disc springs are widely used in various types of valves such as Ball Valves, Regulating Valves, Globe Valves, Pigging Valves, and Sea Valves.The load of Disc Springs is large with small deflection, they can provide sufficient valve seat sealing force.

The role of the Disc Spring inside the valve is to maintain sufficient contact pressure on the joint. Using Hegong Disc Springs Stackseither in series or parallel, obtain the required force and stroke, to meet the needs of each valve. Disc Springs Stacks apply a pressure and absorb the contraction and expansion that may occur due to pressure, temperature, or relaxation.

Depending on the working environment, Belleville Springs for Valvescan be produced by material such as Inconel750, Inconel718, 17-7PH. These materials have good corrosion resistance and high temperature resistance, can also provide adaptable working loads under harsh conditions and high temperature environments.

Disc springsarethe key part to fixBall Valve, its performance will directly affect the sealing effect of the valve.

When we design and manufacture Disc Springsfor Ball Valves, we should pay attention to the following points.

  1. Disc Springs for Ball Valvesis generally about 1.3, which is far less than 1.8. So the actual increase of Disc Spring load caused by the shortening of lever arm at positions I and III should be considered in the design and calculation.
  2. China hegong disc spring, it is not appropriate to use the control method of force value of the standard disc spring. So the higher manufacturing and quality control level be required for manufacturer.

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