Supply OEM/ODM Air Pressure Relief Valves - 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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Our primary intention should be to offer our clientele a serious and responsible enterprise relationship, delivering personalized attention to all of them for Supply OEM/ODM Air Pressure Relief Valves - PEEK throttle ring – DONGYI, The product will supply to all over the world, such as: Greece , Melbourne , Bandung , Abiding by our motto of "Hold well the quality and services, Customers Satisfaction", So we provide our clients with high quality products and excellent service. Please feel free to contact us for further information.

Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
