Wholesale Air Regulated Epdm Pneumatic Butterfly 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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from Belarus
- 2018.02.21 12:14
Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
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from Argentina
- 2017.03.28 16:34
