Parker’s Parbak® back-up rings help prevent extrusion in high pressure service and compensate for loose fi tting parts. The use of loose fi tting parts makes for cost reduction in the machining …
8. Parbak - Back up rings - O-Rings-Stock O-Ring Webshop - O-RING …
2020年11月9日 · 8. Parbak® back-up rings. Introduction. The Parker Parbak is a supplement to pressure seals such as an O-ring. It is not a sealing ring in itself. The primary reason for the …
Developed primarily for service in petroleum based hydraulic fluids at -40°C to 121°C (-40°F to 250°F), Parker's standard Parbak N0300-90 and N1444-90 compounds provide the maximum …
Back-up Rings | Parker NA
Back-up rings are the most common anti-extrusion devices employed in dynamic and static sealing, designed to prevent the migration of sealing material into the extrusion gap under the …
O-Ring with Back-Up Ring - O-Ring & Engineered Seals Division
O-Ring with Back-Up Ring (ParBak) Extrusion of O-rings may be prevented by the use of anti-extrusion (back-up) devices. These are thin rings of much harder material fitted into the gland …
Back-up ring Prädifa series V0709-90, fluoroelastomer, 90
Parbak® is a Parker standard rubber back-up ring of contoured design which improves the sealing effect and increases service life. It is intended for use in dynamic and static seal …
180009N0300 - Back-up ring Prädifa series N0300-90, nitrile
Parbak® is a Parker standard rubber back-up ring of contoured design which improves the sealing effect and increases service life. It is intended for use in dynamic and static seal …
Backup Rings, Rubber Backup Rings, Teflon Backup Rings, …
Parker Parbak® Contoured Continuous Back-up Rings. The Parker Parbak is a supplement to a pressure seal such as an O-ring. It is not a seal in itself. The primary reason for the use of a …
Parker 800 Series Back-Up Rings | Parker 8 Back-Up Rings - Ace …
Ace Seal offers standard and customized Parker 800 Series backup rings. We provide a variety of cross section dimensions, materials, hardness and more.
Parker Back-Up Rings - Parker Rubber Back-Up Rings - ESP Int
Parker’s wedged back-up rings extend seal life by preventing extrusion of elastomeric seals in high pressure, high temperature environments. WB profile back-up rings are custom made-to …