• BS211 3.53mm Section 20.22mm Bore PTFE 55 Polymer Back-Up Ring
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SKU: BS211.PTFE.BUR

BS211 3.53mm Section 20.22mm Bore PTFE 55 Polymer Back-Up Ring

BS211 3.53mm Section 20.22mm Bore PTFE 55 Polymer Back-Up Ring
€1,95 ex VAT
€1,95 ex VAT
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Description
Back-up Rings: Back-up rings, or anti-extrusion rings, are thin rings that are designed to prevent O-ring extrusion under pressure. They fit in the gland between the seal and the clearance gaps to provide zero clearance.
Brand / Quality:
Simply PTFE Back-Up Rings - High Quality
Cross Section:
3.53mm
Inside Diameter:
20.22mm
Hardness:
55 Shore
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