DIN 2527

	NW	D	Flange	k	Raised Face		Number	Bolts	Bolts	Dia. of Bolt Hole	Weight of One Flange (7.85 kg/dm3)
			b		d4	f				d2	Type-B kg	Type-C kg
ND-6	10 15 20	75 80 90	12 12 14	50 55 65	35 40 50	2 2 2	4 4 4	M10 M10 M10	- - -	11.5 11.5 11.5	0.38 0.44 0.65	0.33 0.38 0.59
	25 32 40	100 120 130	14 14 14	75 90 100	60 70 80	2 2 3	4 4 4	M10 M12 M12	- (1/2") (1/2")	11.5 14.0 14.0	0.82 1.17 1.39	0.74 1.07 1.21
	50 65 80	140 160 190	14 14 16	110 130 150	90 110 128	3 3 3	4 4 4	M12 M12 M16	(1/2") (1/2") (3/8")	14 14 18	1.62 2.44 3.43	1.43 2.21 3.09
	100 125 150	210 240 265	16 18 18	170 200 225	148 178 202	3 3 3	4 8 8	M16 M16 M16	(5/8") (5/8") (5/8")	18 18 18	4.76 6.11 7.51	4.37 5.68 7.02
	(175) 200 250	295 320 375	20 20 22	255 280 335	232 258 312	3 3 3	8 8 12	M16 M16 M16	(5/8") (5/8") (5/8")	18 18 18	10.4 12.3 18.3	9.85 11.7 17.6
	300 350 400 500	440 490 540 645	22 22 22 24	395 445 495 600	365 415 465 570	4 4 4 4	12 12 16 20	M20 M20 M20 M20	(3/4") (3/4") (3/4") (3/4")	23 23 23 23	25.3 31.6 38.4 60.4	24.0 30.1 36.4 58.1
ND-10 (Note from 10 mm to 175 mm see ND-16	200 250 300	340 395 445	24 26 26	295 350 400	268 320 370	3 3 4	8 12 12	M20 M20 M20	(3/4") (3/4") (3/4")	23 23 23	16.5 24.0 30.9	15.6 23.1 29.4
	350 400 500	505 565 670	26 26 28	460 515 620	430 482 585	4 4 4	16 16 20	M20 M24 M24	(3/4") (3/4") (3/4")	23 27 27	40.6 49.4 75.0	38.0 47.5 72.7
ND-16 Note : For DIN 2527 ND-10-4 Holes	10 15 20	90 95 105	14 14 16	60 65 75	40 45 58	2 2 2	4 4 4	M12 M12 M12	(1/2") (1/2") (1/2")	14 14 14	0.63 0.72 1.01	0.56 0.64 0.93
	25 32 40	115 140 150	14 14 16	60 65 75	40 45 58	2 2 2	4 4 4	M12 M16 M16	(1/2") (5/8") (5/8")	14 18 18	1.23 1.80 2.09	1.13 1.66 1.85
	50 65 80	165 185 200	18 18 20	125 145 160	102 122 138	3 3 3	4 4 4/8	M16 M16 M16	(5/8") (5/8") (5/8")	18 18 18	2.88 3.66 4.77	2.59 3.33 4.34
	100 125 150	220 250 285	20 22 22	180 210 240	158 188 212	3 3 3	8 8 8	M16 M16 M16	(5/8") (5/8") (5/8")	18 18 18	2.88 3.66 4.77	2.59 3.33 4.34
	100 125 150	220 250 285	20 22 22	180 210 240	158 188 212	3 3 3	8 8 8	M16 M16 M20	(5/8") (5/8") (3/4")	18 18 23	5.65 8.42 10.4	5.26 7.67 9.85
	(175) 200 250	315 340 405	24 24 26	270 295 355	242 268 320	3 3 3	8 12 12	M20 M20 M20	(3/4") (3/4") (7/8")	23 23 27	14.0 16.1 24.9	13.5 15.6 23.9
	300 350 400	460 520 580	28 30 32	410 470 525	378 438 490	4 4 4	12 16 16	M24 M24 M27	(7/8") (7/8") (1")	27 27 30	35.1 47.8 63.5	33.6 46.2 61.5
	500	715	34	650	610	4	20	M30	(1-1/8")	33	102	99.5
ND-25 Note: From 10mm to 150 mm see ND-40	(175) 200 250	330 360 425	28 30 32	280 310 370	248 278 335	3 3 3	12 12 12	M24 M24 M24	(7/8") (7/8") (1")	27 27 30	17.3 22.3 33.5	16.5 21.5 32.5
	300 350 400	485 555 620	34 38 40	430 490 550	395 450 505	4 4 4	16 16 16	M27 M30 M33	(1") (1-1/8") (1- 1/4")	30 33 36	46.3 68.0 89.7	44.7 65.9 87.0
	500	730	44	660	615	4	20	M33	(1-1/4")	36	138	134
ND-40	10 15 20	90 95 105	16 16 16	60 65 75	40 45 58	2 2 2	4 4 4	M12 M12 M12	(1/2") (1/2") (1/2")	14 14 14	0.72 0.81 1.24	0.62 0.74 1.05
	25 32 40	115 140 150	18 18 18	85 100 110	68 78 88	2 2 2	4 4 4	M12 M12 M12	(1/2") (5/8") (5/8")	14 18 18	1.38 2.03 2.35	1.31 1.82 2.11
	50 65 80	165 185 200	20 22 24	125 145 160	102 122 138	3 3 3	4 8 8	M16 M16 M16	(5/8") (5/8") (5/8")	18 18 18	3.20 4.29 5.88	2.91 4.13 5.21
	100 125 150	235 270 300	24 26 28	190 220 250	162 188 218	3 3 3	8 8 8	M20 M24 M24	(3/4") (7/8") (7/8")	23 27 27	7.54 10.8 14.5	7.08 10.4 13.9
	175 200 250	350 375 450	32 34 38	295 320 385	260 285 345	3 3 3	12 12 12	M27 M27 M27	(1") (1") (1-1/8")	30 30 30	22.1 27.2 43.8	21.3 26.2 43.1
	300 350 400	515 580 660	42 46 50	450 510 585	410 465 535	4 4 4	16 16 16	M30 M33 M36	(1-1/8") (1-1/8") (1-1/8")	33 36 39	63.3 89.5 127	62.2 87.2 124
	500	755	52	670	615	4	20	M39	(1-1/2")	42	172	168