IS 6392 — PN 40 (Table 28) — plate flanges for welding (slip-on plate)

Name: IS 6392 PN 40 (Table 28) — plate flanges for welding (slip-on plate)
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IS 6392 PN 40 (Table 28) — plate flanges for welding (slip-on plate) — 19 sizes.

Size	A — Pipe OD (mm)	D — Flange OD (mm)	C — Flange (mm)	d1 — Raised face (mm)	f — RF height (mm)	K — Bolt circle (mm)	n — Bolts	L — Hole dia (mm)	Bolt — Size
10	17.2	90	16	40	2	60	4	14	M12
15	21.3	95	16	45	2	65	4	14	M12
20	26.9	105	18	58	2	75	4	14	M12
25	33.7	115	18	68	2	85	4	14	M12
32	42.4	140	18	78	2	100	4	18	M16
40	48.3	150	20	88	3	110	4	18	M16
50	60.3	165	20	102	3	125	4	18	M16
65	76.1	185	22	122	3	145	8	18	M16
80	88.9	200	24	138	3	160	8	18	M16
100	114.3	235	26	162	3	190	8	22	M20
125	139.7	270	28	188	3	220	8	26	M24
150	168.3	300	30	218	3	250	8	26	M24
175	193.7	350	32	260	3	295	12	30	M27
200	219.1	375	34	285	3	320	12	30	M27
250	273	450	42	345	3	385	12	33	M30
300	323.9	515	50	410	4	450	16	33	M30
350	355.6	580	56	465	4	510	16	36	M33
400	406.4	660	64	535	4	585	16	39	M36
500	508	755	72	615	4	670	20	42	M39

All dimensions are in millimetres.
The PN 40 tables also apply to DN 10–150 at PN 25.
IS 6392 drilling follows the ISO/DIN metric series, so IS 6392 flanges generally mate with EN 1092-1 / DIN flanges of the same PN — check the raised face and thickness for your flange type.
Values are nominal dimensions from the standard; a dash (—) means the value is not listed. Verify against the current edition before design, purchase or fabrication.