SKU: BS211.PTFE.BUR
BS211 3.53mm Section 20.22mm Bore PTFE 55 Polymer Back-Up Ring
- Regular price
- $1.27 ex VAT
- Sale price
- $1.27
- Regular price
-
ex VAT
In stock
Quantity Price Breaks
5+
$0.89
10+
$0.76
20+
$0.70
50+
$0.64
100+
$0.51
500+
$0.44
1000+
$0.38
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.
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