Flanges

ANSI300 Flange Gasket

Technical features

To suit ANSI300 Flange stud pattern
Black Insertion Rubber
Manufactured with cotton reinforcement to assist tensile strength and tear resistance
Temperature rating -25°C to 70°C

Reference specifications — not a stock confirmation.
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Sizes & specifications

6 reference variants · dimensions as published

6 listed variants

Labelled dimensional drawing for ANSI300 Flange Gasket — 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
RFG25A300#	1"	25NB	Insertion Rubber	3.2	32	124	88	4x18
RFG40A300#	1 1/2"	40NB	Insertion Rubber	3.2	48	156	114	4x22
RFG50A300#	2"	50NB	Insertion Rubber	3.2	60	165	127	8x18
RFG65A300#	2 1/2"	65NB	Insertion Rubber	3.2	72	190	149	8x22
RFG80A300#	3"	80NB	Insertion Rubber	3.2	88	210	168	8x22
RFG100A300#	4"	100NB	Insertion Rubber	3.2	114	253.5	200	8x22