Price Sheet for Douplex Stainless Steel Needle 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:


Related Product Guide:
What’s a 3/2 Compressed Air Valve?
What’s A 4/2 Compressed Air Valve?
Our intention should be to fulfill our consumers by offering golden provider, superior price and superior quality for Price Sheet for Douplex Stainless Steel Needle Valve - PEEK throttle ring – DONGYI, The product will supply to all over the world, such as: Thailand , Czech republic , British , Certainly, competitive price, suitable package and timely delivery will be assured as per customers' demands. We sincerely hope to build business relationship with you on the basis of mutual benefit and profit in the very near future. Warmly welcome to contact us and become our direct cooperators.

We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
