Flanges to Australian Standards (Metric Plate Flanges)

Table D
Nom Size DN	OD (mm)	Bolt PCD	No. Bolts	Bolt-Nut Size (mm)
15	95	67	4	M12x40
20	100	73	4	M12x40
25	115	83	4	M12x40
32	120	87	4	M12x40
40	135	98	4	M12x40
50	150	114	4	M16x45
65	165	127	4	M16x45
80	185	146	4	M16x45
100	215	178	4	M16x45
125	255	210	8	M16x45
150	280	235	8	M16x45
200	335	292	8	M16x45
250	405	356	8	M20x55
300	455	406	8	M20x60
350	525	470	12	M24x75
400	580	521	12	M24x75
450	640	584	12	M24x80
500	705	641	16	M24x85
600	825	756	16	M27x100
700	910	845	20	M27x100
750	995	927	20	M30x120
800	1060	984	20	M33x120
900	1175	1092	24	M33x140
1000	1255	1175	24	M33x140

Table E
Nom Size DN	OD (mm)	Bolt PCD	No. Bolts	Bolt-Nut Size (mm)
15	115	67	4	M12x40
20	100	73	4	M12x40
25	115	83	4	M12x40
32	120	87	4	M12x40
40	135	98	4	M12x40
50	150	114	4	M16x45
65	165	127	4	M16x45
80	185	146	4	M16x45
100	215	178	8	M16x45
125	255	210	8	M16x50
150	280	235	8	M20x60
200	335	292	8	M20x60
250	405	356	12	M20x70
300	455	406	12	M24x80
350	525	470	12	M24x85
400	580	521	12	M24x100
450	640	584	16	M24x100
500	705	641	16	M24x110
600	825	756	16	M30x130
700	910	845	20	M30x140
750	995	927	20	M33x150
800	1060	984	20	M33x150
900	1175	192	24	M33x170
1000	1256	1175	24	M36x180

Table F
OD (mm)	Bolt PCD	No. Bolts	Bolt-Nut Size (mm)
115	83	4	M16x45
115	83	4	M16x45
120	87	4	M16x50
135	98	4	M16x55
140	105	4	M16x55
165	127	4	M16x60
185	146	8	M16x60
205	165	8	M16x65
230	191	8	M16x70
280	235	8	M20x80
305	260	12	M20x80
370	324	12	M20x90
430	381	12	M24x100
490	438	16	M24x110
550	495	16	M27x130
610	552	20	M27x140
675	610	20	M30x160
735	673	24	M30x170
850	781	24	M33x190

NPE provides these calculators and guides to assist with general queries and recommends working with experts to ensure suitability.
NPE assumes no responsibility or liability for any errors, omissions or misuse of the contents of this site.
These online tools do not constitute professional advice.
For assistance, contact any of NPE’s Australian branches.

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