Round R Series Ring Joint Gasket, Color : Silver

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Style R Gasket :

Standard Style R Joint gaskets are manufactured in accordance with both
API 6A and ASME B16.20 size/ratings.
Style R Ring Joint gaskets are manufactured in accordance with all relevant standards to suit the following flange designations :
- API 6A > ASME / ANSI B16.5 > MSS SP44 ( ASME 16.47 SERIES A )
- BS

Ring No.Ring No.	Pressure Class Ratings							Pitch		Height of Ring	Approx Distance BetweenBetween
	ANSI, BS & MSS					API (psi )API (psi )		Diameter of Ring	Width of Ring	Height of Ring
	150	300/600	900	1500	2500	2000/3000	5000	Diameter of Ring	Width of Ring	Oval
	Nominal Pipe Size							P	A	H	Flanges
R12	-	-	1/2	1/2	-	-	-	1.563	0.313	0.56	-
R16*	-	1	1	1	3\4	-	-	2	0.313	0.56	-
R18*	-	1 1/4	1 1/4	1 1/4	1	-	-	2.375	0.313	0.56	-
R20*	-	1 1/2	1 1/2	1 1/2	-	-	-	2.688	0.313	0.56	0.16
R23*	-	2	-		1 1/2	2 1/16	-	3.25	0.438	0.69	0.16
R24*	-	-	2	2	-	2 1/16	2	3.75	0.438	0.69	0.16
R26*	-	2 1/2	-	-	-	2 9/16	-	4	0.438	0.69	0.16
R27	-	-	2 1/2	2 1/2	-	-2 9/16	2 9/16	4.25	0.438	0.69	0.16
R31*	-	3	3	-	-	3 1/18	-	4.875	0.438	0.69	0.16
R32	-	-	-	-	3	-	-	5	0.5	0.75	-
R35*	-	-	-	3	-	-	3 1/8	5.375	0.438	0.69	0.16
R37*	-	4	4	-	-	4 1/16	-	5.875	0.438	0.69	0.16
R38	-	-	-	-	4	-	-	6.188	0.625	0.88	-
R39*	-	-	-	4	-	-	4 1/16	6.375	0.438	0.69	0.16
R45*	-	6	6	-	-	7 1/16	-	8.313	0.438	0.69	0.16
R46	-	-	-	6	-	-	7 1/16	8.313	0.5	0.75	0.13
R49*	-	8	8	-	-	9	-	10.625	0.438	0.69	0.19
R50	-	-	-	8	-	-	9	10.625	0.625	0.88	0.16
R53	-	10	10	-	-	11	-	12.75	0.438	0.69	0.19
R54	-	-	-	10	-	-	11	12.75	0.625	0.88	0.16
R57	-	12	12	-	-	13 5/18	-	15	0.438	0.69	0.19
R58	-	-	-	12	-	-	-	15	0.875	1.13	-
R65	-	16	-	-	-	16 3/4	-	18.5	0.438	0.69	0.19
R66	-	-	16	-	-	-16	-	18.5	0.625	0.88	0.16
R69	-	18	-	-	-	-	-	21	0.438	0.69	0.19
R73	-	20	-	-	-	21 1/4	-	23	0.5	0.75	0.13