Quality Inspection for Presta Valve Cap - Packing ring – DONGYI Detail:
our company combines a wide range of metallic and non-metallic materials and a variety of designs to meet with many typical packing requirements and also the more specific and problematic ones.
The range of materials that our company utilizes are available across the broad range of packing rings designed for unidirectional and bidirectional sealing, low pressure vent and gas purge sealing. This also includes high-speed and high pressure rings, as well as sandwich and triple circle designs.
Basic Packing Ring Designs:
Single acting seal rings/pairs
Double acting seal rings/pairs
Backup rings
Pressure breakers
Pressure breaker with relief slots
Packing Ring Materials:
CPI Special Polymer Alloys
PTFE
Thermoplastics
Bronze
Cast iron
Product detail pictures:




Related Product Guide:
What’s a 2/2 Compressed Air Valve?
Duct Cleaner Air Valve Options
Often customer-oriented, and it's our ultimate target to become not only probably the most reputable, trustable and honest provider, but also the partner for our customers for Quality Inspection for Presta Valve Cap - Packing ring – DONGYI, The product will supply to all over the world, such as: Amsterdam , Swiss , Puerto Rico , we have complete material production line, assembling line , quality control system, and the most importantly, we have many patents technology and experienced technical&production team, professional sales service team. With all those advantages, we are going to create"the reputable international brand of nylon monofilaments", and spreading our products to every corner of the world. We are keep moving and try our best to serve our customers.

Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
