OEM/ODM Supplier Mattress Spring - 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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So as to provide you with ease and enlarge our business, we even have inspectors in QC Crew and guarantee you our best company and solution for OEM/ODM Supplier Mattress Spring - PEEK throttle ring – DONGYI, The product will supply to all over the world, such as: Nepal , Pretoria , New Zealand , During in 11 years, We have participated in more than 20 exhibitions, obtains the highest praise from each customer. Our company has been devoting that "customer first" and committed to helping customers expand their business, so that they become the Big Boss !

The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.

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