Rupture Disc Holder IG | Pressure Relief

Rupture disc holder IG

The rupture disc holder IG can be used with both reverse and forward acting rupture discs.

The holder’s unique design guarantees that the rupture disc is always inserted correctly. A full metal clamp ensures the seal is tight. This prevents the rupture disc from being damaged and allows it to be re-used after having been removed, e.g. during an inspection.

Rupture Discc /bursting disc holder IG-KUB — Rupture disc holder IG-KUB^®

IG for forward acting rupture discs

Technical data rupture disc holder IG

DIN EN 1092-1*					ASME B 16.5
NPS [in]	DN [mm]	pressure class PN	A [mm]	B [mm]	NPS [in]	DN [mm]	pressure class ANSI	A [mm]	B [mm]
½"	15	10 – 40 63(64) – 160	51 61	42 42	½"	15	150 300/600 900/1500	44 50 60	42 42 42
¾"	20	10 – 40	61	42	¾"	20	150 300/600 900/1500	53 63 66	42 42 42
1"	25	10 – 40 63(64) – 160	71 82	42 42	1"	25	150 300/600 900/1500	63 69 76	42 42 42
1¼"	32	10 – 40	82	42	1 ¼"	32	150 300/600 1500	73 79 85	42 42 42
1½"	40	10 – 40 63(64) – 100	92 103	42 42	1 ½"	40	150 300/600 900/1500	82 92 95	42 42 42
2"	50	10 – 40 63(64)	105 113	42 42	2"	50	150 300/600 900/1500	101 107 139	42 42 41
2½"	65	10 – 25 40 63(64) 100	125 127 138 144	42 42 42 42	2 ½"	65	150 300/600 900/1500	120 127 162	41 41 41
3"	80	10 – 40 63(64) 100	142 148 154	42 54 54	3"	80	150 300/600 900 1500	133 146 165 171	42 42 42 42
4"	100	10/16 25/40 63(64)	162 167 174	45 45 45	4"	100	150 300 600 900/1500	171 177 190 203	45 45 45 45
5"	125	10/16 25/40 63(64)	192 194 210	55 55 55	5"	125	150 300 600 900	193 209 238 244	55 55 55 55
6"	150	10/16 25/40 63(64)	217 223 247	55 55 88	6"	150	150 300 600 900	219 247 263 285	55 55 55 88
8"	200	10/16 25 40	272 283 290	55 55 88	8"	200	150 300 600	276 304 317	55 55 55
10"	250	10 16 25 40	325 328 340 352	62 62 62 62	10"	250	150 300	336 358	62 62
12"	300	10 16 25 40	375 383 400 417	63 63 63 73	12"	300	150 300	406 419	63 63
14"	350	10 16 25 40	435 443 457 471	75 75 75 87	14"	350	150 300	447 482	75 75
16"	400	10 16 25 40	485 495 514 543	78 78 78 95	16"	400	150 300	511 536	78 78
20"	500	10 16 25 40	592 617 624 628	87 87 87 105	20"	500	150 300	603 647	87 87
24"	600	6 10 16 25	679 695 734 731	96 96 96 96	24"	600	150 300	714 771	96 96
*Replaces DIN 2632 and following.

Technical data rupture disc holder IG-HL
ASME B 16.5					DIN EN 1092-1*
NPS [in]	pressure class ANSI	A [mm]	B [mm]	B [mm]**	DN [mm]	pressure class PN	A [mm]	B [mm]
½"	150 300/600 900/1500 2500	44 50 60 66	44	58	15	10 – 40 64 (63) – 160 250	51 61 72	44
¾"	150 300/600 900/1500 2500	53 63 66 73	46	60	20	10 – 40 64 (63) / 100	61 72	46
1"	300/600 900/1500 2500	69 76 82	46	60	25	10 – 40 64 (63) – 160 250	71 82 83	46
1½"	300/600 900 1500 2500	92 95 95 114	53	70	40	10 – 40 64 (63) – 160 250	92 103 109	53
2"	300/600 900/1500 2500	107 139 143	53	70	50	10– 40 64 (63) 100/160 250	107 113 119 124	53
2½"	300/600 900/1500 2500	127 162 165	57	76	65	10– 40 100/160 250	127 144 154	57
3"	300/600 900 1500 2500	146 165 171 193	57	76	80	10– 40 64 (63) 100/160 250	142 148 154 170	57
4"	300 600 900 1500 2500	177 190 203 206 232	60	86	100	10/16 25/40 100/160 250	162 167 180 202	60
5"	300 600 900 1500 2500	212 238 244 251 276	63	89	125	25/40 64 (63) 100/160 250	194 210 217 242	63
6"	150 300 600	219 247 263	76	92	150	10/16 25/40 100/160	217 223 257	76
8"	300 600	304 317	85	111	200	10/16 25 40 100/160	272 283 290 324	85
10"	150 300	336 358	85	111	250	10/16 25 40 64 (63)	328 340 352 364	85
12"	150 300	406 419	92	118	300	10 16 25 40	378 384 400 417	92
14"	150 300	447 482	100	126	350	10 16 25	438 443 457	100
16"	150 300	511 536	105	131	400	10 16	489 496	105
18"	150 300	546 593	110	136	500	25 10 16	514 594 617	116
20"	150 300	603 650	116	135	600	10 16	695 734	126
24"	150 300	714 771	126	148
Replaces DIN 2632 and following. *Ring Type Joint Face.

IG for reverse acting rupture discs

Technical data rupture disc holder IG-KUB^® (-S), DIN EN 1092-1*

NPS [in]	DN [mm]	pressure class PN	A [mm]	B [mm]	Number of studs	Recommended stud size
¾"	20	10/16/25/40	61	41	4	M12
1"	25	10/16/25/40 64(63)/100	71 82	46 46	4 4	M12 M16
1¼"	32	10/16/25/40	82	46	4	M16
1½"	40	10/16/25/40	92	46	4	M16
2"	50	10/16 25/40	105 105	57 57	4 4	M16 M16
2½"	65	10/16 25/40	127 127	57 57	8(4) 8	M16 M16
3"	80	10/16 25/40	142 142	60 60	8 8	M16 M16
4"	100	10/16 25/40	162 167	68 68	8 8	M16 M20
5"	125	10/16 25/40	192 194	68 68	8 8	M16 M24
6"	150	10/16 25/40	217 223	80 80	8 8	M20 M24
8"	200	10 16 25 40	272 272 283 290	84 84 84 84	8 12 12 12	M20 M20 M24 M27
10"	250	10 16 25 40	328 328 340 352	91 91 91 91	12 12 12 12	M20 M24 M27 M30
12"	300	10 16 25 40	378 378 400 417	92 92 92 92	12 12 16 16	M20 M24 M27 M30
14"	350	10 16	438 443	104 104	16 16	M20 M24
16"	400	10 16	485 496	109 109	16 16	M24 M27
20"	500	10 16	594 617	119 119	20 20	M24 M30
24"	600	6 10 16	679 692 734	133 133 133	20 20 20	M24 M27 M33
28"	700	6 10 16	784 810 804	150 150 150	24 24 24	M24 M27 M33
32"	800	6 10 16	890 917 911	175 175 175	24 24 24	M27 M30 M36
*Replaces DIN 2631 and following.

ASME B 16.5 (3⁄4'' – 24'') and ASME B 16.47 series A (26'' – 32'')
NPS [in]	DN [mm]	pressure class ANSI	A [mm]	B [mm]	number of studs	recommended stud sizes
¾"	20	300	63.00	41.00	4	5⁄8"
1"	25	150 300/600 900/1500	63.00 69.00 76.00	46.00 46.00 46.00	4 4 4	½" 5⁄8" 7⁄8"
1¼"	32	150 300/600 900/1500	73.00 79.00 85.00	46.00 46.00 46.00	4 4 4	½" 5⁄8" 7⁄8"
1½"	40	150 300/600 900/1500	82.00 92.00 95.00	46.00 46.00 46.00	4 4 4	½" ¾" 1"
2"	50	150 300/600 900/1500	101 107 139	53.00 53.00 53.00	4 8 8	5⁄8" 5⁄8" 7⁄8"
2½"	65	150 300/600 900/1500	120 127 162	57.00 57.00 57.00	4 8 8	5⁄8" ¾" 1"
3"	80	150 300/600 900 1500	133 146 165 171	60.00 60.00 60.00 60.00	8 8 8 8	5⁄8" ¾" 7⁄8" 1"
4"	100	150 300 600 900/1500	171 177 190 203	68.00 68.00 68.00 68.00	8 8 8 8	5⁄8" ¾" 7⁄8" 1''
5"	125	150 300 600	193 212 238	68.00 68.00 68.00	8 8 8	¾" ¾" 1"
6"	150	150 300 600	219 247 263	80.00 80.00 80.00	8 12 12	¾" ¾" 1"
8"	200	150 300 600	276 304 317	84.00 84.00 84.00	8 12 12	¾" 7⁄8" 1 1⁄8"
10"	250	150 300	336 358	91.00 91.00	12 16	7⁄8" 1"
12"	300	150 300	406 419	92.00 92.00	12 16	7⁄8" 1 1⁄8"
14"	350	150 300	447 482	104 104	12 20	1" 1 1⁄8"
16"	400	150 300	511 536	109 109	16 20	1" 1 ¼"
18"	450	150 300	546 593	119 119	16 24	1 1⁄8" 1 ¼"
20"	500	150 300	603 650	119 119	20 24	1 1⁄8" 1 ¼"
24"	600	150 300	714 771	133 133	20 24	1 ¼" 1 ½"
26"	650	150 300	771 831	150 150	24 28	1 ¼" 1 ¾"
28"	700	150 300	828 895	150 150	28 28	1 ¼" 1 ¼"
30"	750	150 300	879 949	150 150	28 28	1 ¾" 1 5⁄8"
32"	800	150 300	936 1003	175 175	28 28	1 ½" 1 ¾"

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