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Valve Disc Spring

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FeTech customize the off standard disc springs that be used on valves to keep bolt joints tight when the bolted joint integrity is a concern. The disc springs maintain load on a seal, gasket or packing in valve actuators and other valve components. They can be easily retrofitted into existing valve designs with minimal revisions.
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FeTech customize the off standard disc springs that be used on valves to keep bolt joints tight when the bolted joint integrity is a concern. The disc springs maintain load on a seal, gasket or packing in valve actuators and other valve components. They can be easily retrofitted into existing valve designs with minimal revisions.


Disc springs on valves:

 Live loading of packing

Flange/bonnet gasket live loading

 Live loading ball seats

 Actuators or mechanisms


As the valve is operated, the seal material consolidates during each operation. High temperature and thermal cycling can accelerate the loss. As this occurs, preload is lost on the seal. Once the preload falls below a certain threshold, a leak will occur. The use of disc springs is necessary, and the materials should be:

 17-7PH

 Inconel X-750

 Inconel 718

 Nimonic 90

 And other heat/corrosion resistant materials



Welcome your drawings and enquiries.


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FeTech is a professional manufacturer in producing disc springs, valve disc springs, flange washers, disc spring washers, waving springs and other customized elastic components.

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