Flanges

Backing Ring Table D

Technical features

To suit Imperial Sized Tube and Schedule Pipe, with the use of a Neck Ring or Stub End
Forged to ASTM A182
All sharp edges have been chamfered by 0.5 mm at 45°
Pressure Ratings are not available for this product

Reference specifications — not a stock confirmation.
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Sizes & specifications

5 reference variants · dimensions as published

5 listed variants

Labelled dimensional drawing for Backing Ring Table D — Dimension letters in the table correspond to this drawing. Check the stated units before specifying.

Code	Inch Size	Metric Size	Grade	Thickness	A	B	C	D	E
SBR100D	4"	101.6/100NB/DN100	F316L	10	120	215	178	4x18mm	10
SBR150D	6"	152.4/150NB/DN150	F316L	13	174.5	280	235	8x18mm	13
SBR200D	8"	203.2/200NB/DN200	F316L	13	225.5	335	292	8x18mm	13
SBR250D	10"	254/250NB/DN250	F316L	13	280.5	405	356	8x22mm	13
SBR300D	12"	304.8/300NB/DN300	F316L	13	331	455	406	12x22mm	13