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Inside Diameter

in

d - nominal

in

D - nominal

in

S - actual

in

standard -xxx

8-XXX

Back-Up Rings are predominantly used in conjunction with O’Rings for both static and dynamic sealing
applications. They prevent the O’Ring from extruding when it is subjected to high pressures, or when
clearance gaps are excessive

Available Materials

Material

Acronym

Temperature

Pressure

NBR 90NBR 90 (348 found(s))-40ºF to +250ºF (-40ºC to +121ºC)

Ref. No.	∅d	d - nominal	D - nominal	S - actual	standard -xxx	Qty Available	Price
No products found

V.PTFEV.PTFE (722 found(s))-320ºF to +450ºF (-196ºC to +232ºC)

Ref. No.	∅d	d - nominal	D - nominal	S - actual	standard -xxx	Qty Available	Price
No products found

AU 95AU 95 (346 found(s))-60ºF to +250ºF (-51ºC to +121ºC)

Ref. No.	∅d	d - nominal	D - nominal	S - actual	standard -xxx	Qty Available	Price
No products found

NBR 90 - NBR 90 (348 found(s))

Ref. No.	∅d	d - nominal	D - nominal	S - actual	standard -xxx	Qty Available	Price
No products found

V.PTFE - V.PTFE (722 found(s))

Ref. No.	∅d	d - nominal	D - nominal	S - actual	standard -xxx	Qty Available	Price
No products found

AU 95 - AU 95 (346 found(s))

Ref. No.	∅d	d - nominal	D - nominal	S - actual	standard -xxx	Qty Available	Price
No products found