Flanges

Flanged butterfly valves with PN6, PN10, PN16 or PN25
flanges are drilled in accordance with ISO 7005
- Steel valve bodies: ISO 7005/1
- Ductile iron valve bodies: ISO 7005/1
- Copper ally valve bodies: ISO 7005/1

Standards
- PN 6, 10, 16, 25: ISO 7005/1/2/3 - Metallic flanges
- PN 6, 10, 16: DIN2501 - Flansche, Anschlußmaße (Flanges, mating dimensions)
- PN 6, 10, 16: BS 4504 - Flanges and bolting, metric series
- ANSI, Class 150: ANSI B16,5 - Pipe flanges and flanged fittings
- MSS/BS, class 150: MSS SP 44 - Steel pipeline flanges
- BSS 3293 - Cargon steel pipe flanges
- JIS 5K/10K: JIS B2220 - Steel pipe flanges

Nom. Dia   PN 6 PN 10 PN 16
DN NPS D d d1 Bolt No. of
bolts
D d d1 Bolt No. of
bolts
D d d1 Bolt No. of
bolts
DN 40 1 1/2 130 110 14 M12 4 150 110 18 M16 4 150 110 18 M16 4
DN 50 2 140 110 14 M12 4 165 125 18 M16 4 165 125 18 M16 4
DN 65 2 1/2 160 130 14 M12 4 185 145 18 M16 4 185 145 18 M16 4
DN 80 3 190 150 18 M16 4 200 160 18 M16 8 200 160 18 M16 8
DN 100 4 210 170 18 M16 4 220 180 18 M16 8 220 180 18 M16 8
DN 125 5 240 200 18 M16 8 250 210 18 M16 8 250 210 18 M16 8
DN 150 6 265 225 18 M16 8 285 240 22 M20 8 285 240 22 M20 8
DN 200 8 320 280 18 M16 8 340 295 22 M20 8 340 295 22 M20 12
DN 250 10 375 335 18 M16 12 395 350 22 M20 12 400 355 26 M24 12
DN 300 12 440 395 22 M20 12 445 400 22 M20 12 455 410 26 M24 12
DN 350 14 490 445 22 M20 12 505 460 22 M20 16 520 470 26 M24 16
DN 400 16 540 495 22 M20 16 565 515 26 M24 16 580 525 30 M27 16
DN 450 18 595 550 22 M20 16 615 565 26 M24 20 640 585 30 M27 20
DN 500 20 645 600 22 M20 20 670 620 26 M24 20 715 650 33 M30 20
DN 600 24 755 705 26 M24 20 780 725 30 M27 20 840 770 36 M33 20
DN 700 28 860 810 26 M24 24 895 840 30 M27 24 910 840 36 M33 24
DN 800 32 975 920 30 M27 24 1015 950 33 M30 24 1025 950 36 M36 24
DN 900 36 1075 1020 30 M27 24 1115 1050 33 M30 28 1125 1050 39 M36 28
DN 1000 40 1175 1120 30 M27 28 1230 1160 36 M33 28 1255 1170 42 M39 28
Nom. Dia   PN 25 ANSI150 JIS 5K
DN NPS D d d1 Bolt No. of
bolts
D d d1 Bolt No. of
bolts
D d d1 Bolt No. of
bolts
DN 40 1 1/2 150 110 18 M16 4 127 98.4 15.9 1/2 4 120 95 15 M12 4
DN 50 2 165 125 18 M16 4 152.4 120.6 19 5/8 4 130 105 15 M12 4
DN 65 2 1/2 185 145 18 M16 8 177.8 139.7 19 5/8 4 155 130 15 M12 4
DN 80 3 200 160 18 M16 8 190.5 152.4 19 5/8 4 180 145 19 M16 4
DN 100 4 235 190 22 M20 8 228.6 190.5 19 5/8 8 200 165 19 M16 8
DN 125 5 270 220 26 M24 8 254 215.9 22 3/4 8 235 200 19 M16 8
DN 150 6 300 250 26 M24 8 279.4 241.3 22 3/4 8 265 230 19 M16 8
DN 200 8 360 310 26 M24 12 342.9 298.4 22 3/4 8 320 280 23 M20 8
DN 250 10 - - - - - 406.4 361.9 25 7/8 12 385 345 23 M20 12
DN 300 12 - - - - - 482.6 431.8 25 7/8 12 430 390 23 M20 12
DN 350 14 - - - - - 533.4 476.2 28 1 12 480 435 25 M22 12
DN 400 16 - - - - - 596.9 539.7 28 1 16 540 495 25 M22 16
DN 450 18 - - - - - 635 577.8 32 1 1/8 16 605 555 25 M22 16
DN 500 20 - - - - - 698.5 635 32 1 1/8 20 655 605 25 M22 20
DN 600 24 - - - - - 812.8 749.3 35 1 1/4 20 770 715 27 M24 20
DN 700 28 - - - - - 927.1 863.6 35 1 1/4 28 875 820 27 M24 24
DN 800 32 - - - - - 1060.4 977.9 41 1 1/2 28 995 930 33 M30 24
DN 900 36 - - - - - 1168.4 1085.8 41 1 1/2 32 1095 1030 33 M30 24
DN 1000 40 - - - - - 1289 1200.2 41 1 1/2 36 1195 1130 33 M30 28
Nom. Dia
JIS 10K
DN
NPS
D d d1 Bolt No. of
bolts
DN 40
1 1/2
140 105 19 M16 4
DN 50
2
155 120 19 M16 4
DN 65
2 1/2
175 140 19 M16 4
DN 80
3
185 150 19 M16 8
DN 100
4
210 175 19 M16 8
DN 125
5
250 210 23 M20 8
DN 150
6
280 240 23 M20 8
DN 200
8
330 290 23 M20 12
DN 250
10
400 355 25 M22 12
DN 300
12
445 400 25 M22 16
DN 350
14
490 445 25 M22 16
DN 400
16
560 510 27 M24 16
DN 450
18
620 565 27 M24 20
DN 500
20
675 620 27 M24 20
DN 600
24
795 730 33 M30 24
DN 700
28
905 840 33 M30 24
DN 800
32
1020 950 33 M30 28
DN 900
36
1120 1050 33 M30 28
DN 1000
40
1235 1160 39 M36 28

Download pdf