API 6A High Performance Ring Joint Gasket in Ningbo Rilson

Ring Joint gasket come in two basic types, an oval cross section and an octagonal cross section .These basic shapes are used in pressures up to 10,000 psi. The dimensions are standardized and require specially grooved flanges. The octagonal cross section has a higher sealing efficiency than.

Product Details

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Ring Joint gasket come in two basic Shapes, one is oval cross section and another is octagonal cross section .

These basic shapes are used in pressures up to 10,000 psi. The dimensions are standardized and require specially grooved flanges. The octagonal cross section has a higher sealing efficiency than the oval and would be the preferred gasket.

However, only the oval cross section can be used in the old type round bottom groove. The newer flat bottom groove design will accept either the oval or the octagonal cross section. The sealing surfaces on the ring joint grooves must be smoothly finished to 63 micro inches and to be free of objectionable ridges, tool or chatter marks. They seal by an initial line contact or a edging action as the compressive forces are applied.

The hardness of the ring should always be less than the hardness of the flanges to prevent flange deformation. Dimensions for API ring joint gaskets and grooves are covered in ASME B16.20 and API6A

We stocks a wide range of sizes and materials ready for immediate shipment from R11 to R105. Stock materials include large variety of metals.

1.Models

R OVAL R OCTAGONAL RX BX

2.Ring Joint Material and Hardness

Material	Identi-fication	DIN Material No.	B.S. Material	AISI-ASTM UNS	Hardness (max)*		Temperature (0 C)*		Density (gr/cm3)
Material	Identi-fication	DIN Material No.	B.S. Material	AISI-ASTM UNS	Hardness (max)*		Temperature (0 C)*		Density (gr/cm3)
					Brinell HB	Rockwell B	Min	Max
Soft Iron	D	-	-	-	90	56	-60	500	7.85
Low Carbon Steel	S	-	-	-	120	68	-40	500	7.85
ASTM A182-F5	F5	1.7362	-	A182FS	130	72	-40	650	7.9
SS 304	S304	1.4301	304S15/16/13	304	160	83	-250	550	7.9
SS 304L	S304L	1.4306	304S11	304L	160	83	-250	550	7.9
SS 309	S309	1.4828	304S24	309	160	83	-250	550	7.9
SS 316	S316	1.4401	316S16	316	160	83	-100	1000	7.9
SS 316L	S316L	1.4404	316S11/13	316L	160	83	-100	550	7.9
SS 316Ti	S316TI	1.4571	320S31	316Ti	160	83	-100	550	7.8
SS 321	S321	1.4541	321S12/49/87	321	160	83	-250	550	7.9 0
SS 347	S347	1.455	347S31	347	160	83	-250	500	7.9
SS 410	S410	1.4	410S21	410	170	86	-20	850	7.8
254SMO	6Mo	1.4547	-	S31254	180	89	-100	500	8
904L	S904L	1.4539	-	SUS890L	180	89	-250	1000	8
F51	F51	14462	31853	S31803/32205	230	99	-40	300	7.8
F53	F53	14410	-	S32750	230	99	-40	300	7.8
F55	F55	1.4501	-	S32760	250	-	-40	300	7.8
Aluminium	AL 1050	3.0255	1B	A91050	30	-	-250	300	2.71
Silver	Ag	-	-	-	28	-	-250	750	10.5
Copper	Cu	2.009	C106	C12200	80	-	-250	400	8.9
Brass	CuZn37	20321	CZ108	C27200	60	-	-100	350	8.5
Nickel 200	Ni 200	2.4066	3072-76 NA11	NO2200	110	62	-250	600	8.9
Monel 400	MONEL400	2.436	3072-76 NA13	NO4400	160	83	125	600	8.8
Inconel 600	INC600	2.4816	3072-76 NA14	NO6600	160	83	-100	950	8.4
Inconel 625	INC625	2.4856	3072-76 NA 21	NO6625	210	95	-50	450	8.44
Inconel 718	INC718	-	-	NO7718	160	83	-125	950	8.24
Incoloy 800	INC800	1.4876	3072-76 NA15	NO8800	160	83	-100	850	8
Incoloy 825	INC825	2.4858	3072-76 NA16	NO8825	195	92	-100	450	8.14
Hastelloy B2	HB2	2.4617	-	NI0665	230	99	-200	450	9.2
HastelloyC276	HC276	2.4819	-	NI0276	210	95	-200	450	8.9
Titanium	Ti2	3.7025	TA2	R50400	215	96	-250	350	4.5

3. The size Chart

3.1 Ring-joint gaskets, type R, dimensions according to ASME B16.20, API Std 6 A

for flanges to ASME B16.5 and ASME B16.47, series A

NPS	class	Ring no.	Ring dimensions
NPS	class	Ring no.	dm	b	h	h1
1/2	300 to 600	R 11	34,13	6,35	11,11	9,52
1/2	900, 1 500	R 12	39,68	7,93	14,28	12,7
1/2	2500	R 13	42,86	7,93	14,28	12,7
3/4	300 to 600	R 13	42,86	7,93	14,28	12,7
3/4	900, 1500	R 14	44,45	7,93	14,28	12,7
1	150	R 15	47,62	7,93	14,28	12,7
3/4	2500	R 16	50,8	7,93	14,28	12,7
1	300 to 1500	R 16	50,8	7,93	14,28	12,7
1 1/4	150	R 17	57,15	7,93	14,28	12,7
1	2500	R 18	60,32	7,93	14,28	12,7
1 1/4	300 to 1500	R 18	60,32	7,93	14,28	12,7
1 1/2	150	R 19	65,08	7,93	14,28	12,7
1 1/2	300 to 1500	R 20	68,26	7,93	14,28	12,7
1 1/4	2500	R 21	72,23	11,11	17,46	15,87
2	150	R 22	82,55	7,93	14,28	12,7
1 1/2	2500	R 23	82,55	11,11	17,46	15,87
2 2	300 to 600	R 23	82,55	11,11	17,46	15,87
	900, 1500	R 24	95,25	11,11	17,46	15,87
2 1/2	150	R 25	101,6	7,93	14,28	12,7
2	2500	R 26	101,6	11,11	17,46	15,87
2 1/2	300 to 600	R 26	101,6	11,11	17,46	15,97
2 1/2	900, 1500	R 27	107,95	11,11	17,46	15,87
2 1/2	2500	R 28	111,12	12,7	19,05	17,46
3	150	R 29	114,3	7,93	14,28	12,7
3	300 to 600	R 30	117,47	11,11	17,46	15,87
3	300 to 900	R 31	123,82	11,11	17,46	15,87
3	2500	R 32	127,0	12,7	19,05	17,46
3 /	150	R 33	131,76	7,93	14,28	12,7
3 /	300 to 600	R 34	131,76	11,11	17,46	15,87
3	1500	R 35	136,52	11,11	17,46	15,87
4	150	R 36	149,22	7,93	14,28	12,7
4	300 to 900	R 37	149,22	11,11	17,46	15,87
4	2500	R 38	157,16	15,87	22,22	20,64
4	1500	R 39	161,92	11,11	17,46	15,87
5	150	R 40	171,45	7,93	14,28	12,7
5	300 to 900	R 41	180,97	11,11	17,46	15,87
5	2500	R 42	190,5	19,05	25,4	23,81
6	150	R 43	193,67	7,93	14,28	12,7
5	1500	R 44	193,67	11,11	17,46	15,87
6	300 to 900	R 45	211,13	11,11	17,46	15,87
6	1500 2500	R 46	211,13	12,7	19,05	17,46
6		R 47	228,6	19,05	25,4	23,81
8	150	R 48	247,65	7,93	14,28	12,7
8	300 to 900	R 49	269,87	11,11	17,46	15,87
8	1500	R 50	269,87	15,87	22,22	20,64
8	2500	R 51	279,4	22,22	28,57	26,99
10	150	R 52	304,8	7,93	14,28	12,7
10	300 to 900	R 53	323,85	11 ,11	17,46	15,87
10	1500	R 54	323,85	15,87	22,22	20,64
10	2500	R 55	342,9	28,57	36,51	34,92
12	150	R 56	381,0	7,93	14,28	12,7
12	300 to 900	R 57	381,0	11,11	17,46	15,87
12	1500	R 58	381,0	22,22	28,57	26,99
14	150	R 59	396,87	7,93	14,28	12,7
12	2500	R 60	406,4	31,75	39,68	38,1
14	300 to 600	R 61	419,1	11,11	17,46	15,87
14	900	R 62	419,1	15,87	22,22	20,64
14	1500	R 63	419,1	25,4	33,33	31,75
16	150	R 64	454,0	7,93	14,28	12,7
16	300 to 600	R 65	469,9	11,11	17,46	15,87
16	900	R 66	469,9	15,87	22,22	20,64
16	1500	R 67	469,9	28,57	36,51	34,92
18	150	R 68	517,52	7,93	14,28	12,7
18	300 to 600	R 69	533,4	11,11	17,46	15,87
18	900	R 70	533,4	19,05	25,4	23,81
18	1500	R 71	533,4	28,57	36,51	34,92
20	150	R 72	558,8	7,93	14,28	12,7
20	300 to 600 900	R 73	584,2	12,7	19,05	17,46
20		R 74	584,2	19,05	25,4	23,81
20	1500	R 75	584,2	31,75	39,68	38,1
24	150	R 76	673,1	7,93	14,28	12,7
24	300 to 600	R 77	692,15	15,87	22,22	20,64
24	900	R 78	692,15	25,4	33,33	31 ,75
24	1500	R 79	692,15	34,92	44,45	41 ,27
22	150	R 80	615,95	7,93		12,7
22	300 to 600	R 81	635,0	14,28		19,05
1	10000	R 82	57,15	11,11		15,87
1	10000	R 84	63,5	11,11		15,87
3	10000	R 85	79,37	12,7		17,46
5	10000	R 86	90,49	15,87		20,63
	10000	R 87	100,01	15,87		20,63
	10000	R 88	123,83	19,05		23,81
	10000	R 89	114,3	19,05		23,81
	10000	R 90	155,58	22,22		26,98
	10000	R 91	260,35	31,75	17,46	38,1
	300, 400, 600	R 92	228,6	11,11		15,87
26		R 93	749,3	19,05		23,81
28	300, 400, 600	R 94	800,1	19,05		23,81
30	300, 400, 600	R 95	857,25	19,05		23,81
32	300, 400, 600	R 96	914,4	22,22		26,98
34	300, 400, 600	R 97	965,2	22,22		26,98
36	300, 400, 600	R 98	1022,35	22,22		26,98
	2000, 3000	R 99	234,95	11,11		15,87
26	900	R 100	749,3	28,57		34,92
28	900	R 101	800,1	31,75		38,1
30	900	R 102	857,25	31,75		38,1
32	900	R 103	914,4	31,75		38,1
34	900	R 104	965,2	34,92		41,27
36	900	R 105	1022,35	34,92		41,27

3.2 Ring-joint gaskets, type RX dimension chart, dimensions according to ASME B16.20, API Std 6 A for flanges to ASME B16.5 and ASME B16.47, series A

			Ring dimensions
NPS	class	Ring no.	d	b	c	h	h
1 1/2	2000, 3000, 5000	RX 20	76,2	8,73	4,62	19,05	3,18
2	2000	RX 23	93,27	11,91	6,45	25,4	4,24
2	3000, 5000	RX 24	105,97	11,91	6,45	25,4	4,24
3 1/8	5000	RX 25	109,54	8,73	4,62	19,05	3,18
2 1/2	2000	RX 26	111,92	11,91	6,45	25,4	3,78
2 1/2	3000, 5000	RX 27	118,27	11,91	6,45	25,4	4,24
3	2000, 3000	RX 31	134,54	11,91	6,45	25,4	4,24
3	5000	RX 35	147,24	11,91	6,45	25,4	4,24
4	2000, 3000	RX 37	159,94	11,91	6,45	25,4	4,24
4	5000	RX 39	172,64	11,91	6,45	25,4	4,24
5	2000, 3000	RX 41	191,69	11,91	6,45	25,4	4,24
5	5000	RX 44	204,39	11,91	6,45	25,4	4,24
6	2000, 3000	RX 45	221,85	11,91	6,45	25,4	4,24
6	5000	RX 46	222,25	13,49	6,68	28,58	4,78
8	crossover flange	RX 47	245,3	19,84	10,34	41,28	6,88
8	2000, 3000	RX 49	280,59	11,91	6,45	25,4	4,24
8	5000	RX 50	283,37	16,67	8,51	31,75	5,28
10	2000, 3000	RX 53	334,57	11,91	6,45	25,4	4,24
10	5000	RX 54	337,34	16,67	8,51	31,75	5,28
12	2000, 3000	RX 57	391,72	11,91	6,45	25,4	4,24
14	5000	RX 63	441,72	26,99	14,78	50,8	8,46
16	2000	RX 65	480,62	11,91	6,45	25,4	4,24
16	3000	RX 66	483,39	16,67	8,51	31,75	5,28
18	2000	RX 69	544,1	11,91	6,45	25,4	4,24
18	3000	RX 70	550,1	19,84	10,34	41,28	6,88
20	2000	RX 73	596,1	13,49	6,68	31,75	5,28
20	3000	RX 74	600,87	19,84	10,34	41,28	6,88
20	3000	RX 82	67,87	11,91	6,45	25,4	4,24
		RX 84	74,22	11,91	6,45	25,4	4,24
		RX 85	90,09	13,49	6,68	25,4	4,24
		RX 86	103,58	15,08	8,51	28,58	4,78
		RX 87	113,1	15,08	8,51	28,58	4,78
		RX 88	139,3	17,46	10,34	31,75	5,28
		RX 89	129,78	18,26	10,34	31,75	5,28
		RX 90	174,62	19,84	12,17	44,45	7,42
		RX 91	286,94	30,16	19,81	45,24	7,54
1 1/4	5000	RX 99	245,67	11,91	6,45	25,4	4,24
		RX 201	51,46	5,74	3,2	11,3	1,45
1 3/	5000	RX 205	62,31	5,56	3,05	11,1	1,83
2 1/	5000	RX 210	97,63	9,53	5,41	19,05	3,18
4	5000	RX 215	140,89	11,91	5,33	25,4	4,24
4x 41/4	5000	RX 215	140,89	11,91	5,33	25,4	4,24

3.3 Ring-joint gasket, type BX Dimension chart, according to API Std 6 A for API 6BX flanges


NPS	class	Ring no	Ring dimensions			1* drilled ho
NPS	class	Ring no	d1	b	h	1* drilled ho
111/16	10000, 15000	BX 150	72,19	9,30	9,30	1,6
113/16	10000, 15000, 20000	BX 151	76,40	9,63	9,63	1,6
2 1/	10000, 15000, 20000	BX 152	84,68	10,24	10,25	1,6
2 9/16	10000, 15000, 20000	BX 153	100,94	11,38	11,38	1,6
3 1/16	10000, 15000, 20000	BX 154	116,84	12,40	12,40	1,6
4 1/	10000, 15000, 20000	BX 155	147,96	14,22	14,22	1,6
7 1/16	10000, 15000, 20000	BX 156	237,92	18,62	18,62	3,2
9	10000, 15000	BX 157	294,46	20,98	20,98	3,2
11	10000, 15000	BX 158	352,04	23,14	23,14	3,2
13 5/	10000	BX 159	426,72	25,70	25,70	3,2
13 5/	5000	BX 160	402,59	13,74	23,83	3,2
16 3/	5000, 10000	BX 161	491,41	16,20	28,07	3,2
16 3/	5000, 10000	BX 162	475,49	14,22	14,22	1,6
18 3/	5000	BX 163	556,16	17,37	30,10	3,2
18 3/	10000	BX 164	570,56	24,59	30,10	3,2
21 1/	5000	BX 165	624,71	18,49	32,03	3,2
21 1/4	10000	BX 166	640,03	26,14	32,03	3,2
26 3/	2000	BX 167	759,36	13,11	35,86	1,6
26 3/	3000	BX 168	765,25	16,05	35,86	1,6
5 1/8	10000	BX 169	173,52	12,93	15,84	1,6
9	2000, 3000	BX 170	218,03	14,22	14,22	1,6
11		BX 171	267,44	14,22	14,22	1,6
13 5/		BX 172	333,07	14,22	14,22	1,6
30		BX 303	852,75	16,97	37,95	1,6

* A compensating drilled hole on the periphery of the ring.

TECHO is one of the leading manufacturers and suppliers of various ring joint gasket in China. We have skillful and experienced workers in our factory. Now take action to wholesale quality api ring joint gasket made in China with us.

Our aim is to provide customers with a full range of API 6A High Performance Ring Joint Gasket in Ningbo Rilson and high-quality and thoughtful service. We advocate a people-oriented corporate culture system, providing consumers with quality and inexpensive qualified products. The company has achieved considerable development through continuous investment in R&D and innovation as well as a series of innovative technology projects in the field of industrial development.

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API 6A High Performance Ring Joint Gasket in Ningbo Rilson

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