Ordinary Discount Threaded 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 4/2 Compressed Air Valve?
What’s a 3/2 Compressed Air Valve?
We will make every effort to be outstanding and perfect, and accelerate our steps for standing in the rank of international top-grade and high-tech enterprises for Ordinary Discount Threaded Needle Valve - PEEK throttle ring – DONGYI, The product will supply to all over the world, such as: Rotterdam , Belgium , Qatar , With excellent solutions, high quality service and sincere attitude of service, we ensure customer satisfaction and help customers create value for mutual benefit and create a win-win situation. Welcome customers all over the world to contact us or visit our company. We'll satisfy you with our qualified service!

This company can be well to meet our needs on product quantity and delivery time, so we always choose them when we have procurement requirements.
