OEM Customized Stainless Steel Air Control Valve - PEEK throttle ring – DONGYI Detail:
PROTECTING NON-METALLIC SEALING RINGS
Protection of non-metallic sealing rings from extruding
Allows the use of PTFE as a sealing ring at high pressures
Materials available for all fields of applications
back-up rings are used to prevent non-metallic sealing rings from extruding into the space between the piston rod and packing cup. Back-up rings, which are typically made of cast iron or bronze material, seal only the end face of the packing case cup. The bore hole has a small clearance from the piston rod. They are suitable for all fields of application in the process, natural gas, or food industry.
Product detail pictures:


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"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our firm to the long-term to develop together with consumers for mutual reciprocity and mutual advantage for OEM Customized Stainless Steel Air Control Valve - PEEK throttle ring – DONGYI, The product will supply to all over the world, such as: Paraguay , Istanbul , Lithuania , We believe with our consistently excellent service you can get the best performance and cost least products from us for a long term . We commit to provide better services and create more value to all our customers. Hope we can create a better future together.

This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!

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