ZheJiang Chengjiu Pipeline Co., Ltd.
Tel: 0086-0570-5012312
Fax: 0086-0570-5012312
E-mail: sales@cheng-jiu.cn
AS/NZS 4331.1 Flange
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STEEL BACKING FLANGES AS/NZS4331.1(ISO 7005-1)
Nominal Pipe OD | Flange Size | OD | ID | Minimum Thickness | PCD | Bolt Hole No. x Dia. | Bolt Size |
20 | 15 |
Refer Table 5 | |||||
25 | 20 | ||||||
32 | 25 | ||||||
40 | 32 | ||||||
50 | 40 | ||||||
63 | 50 | ||||||
75 | 65 | ||||||
90 | 80 | ||||||
110 | 100 | ||||||
125 | 100 | ||||||
140 | 125 | ||||||
160 | 150 | ||||||
180 | 150 | ||||||
200 | 200 | 340 | 235 | 24 | 295 | 8X22 | M20 |
225 | 200 | 340 | 238 | 24 | 295 | 8X22 | M20 |
250 | 250 | 395 | 288 | 26 | 350 | 12X22 | M20 |
280 | 250 | 395 | 294 | 26 | 350 | 12X22 | M20 |
315 | 300 | 445 | 338 | 28 | 400 | 12X22 | M20 |
355 | 350 | 505 | 376 | 30 | 460 | 16X22 | M20 |
400 | 400 | 565 | 430 | 32 | 515 | 16X26 | M24 |
450 | 450 | 615 | 470 | 35 | 565 | 20X26 | M24 |
450 | 500 | 670 | 517 | 38 | 620 | 20X26 | M24 |
500 | 500 | 670 | 533 | 38 | 620 | 20X26 | M24 |
560 | 600 | 780 | 618 | 42 | 725 | 20X29.5 | M27 |
630 | 600 | 780 | 645 | 42 | 725 | 20X29.5 | M27 |
710 | 700 | 895 | 740 | - | 840 | 24X29.5 | M27 |
800 | 800 | 1015 | 843 | - | 950 | 24X32.5 | M30 |
900 | 900 | 1115 | 947 | - | 1050 | 28X32.5 | M30 |
1000 | 1000 | 1230 | 1050 | - | 1160 | 28X35.5 | M33 |
As per ISO 9624: "The inside diameter of the loose backing flange shall conform to the design of the flange adaptor. In some applications, values of the inside diameter of the loose backing flange differing from those given in the tables may be used."
STEEL BACKING FLANGES AS/NZS4331.1(ISO7005-1)
Nominal Pipe OD | Flange Size | OD | ID | Minimum Thickness | PCD | Bolt Hole No. x Dia. | Bolt Size |
20 | 15 | 95 | 28 | 14 | 65 | 4X14 | M12 |
25 | 20 | 105 | 34 | 16 | 75 | 4X14 | M12 |
32 | 25 | 115 | 42 | 16 | 85 | 4X14 | M12 |
40 | 32 | 140 | 51 | 18 | 100 | 4X18 | M16 |
50 | 40 | 150 | 62 | 18 | 110 | 4X18 | M16 |
63 | 50 | 165 | 78 | 20 | 125 | 4X18 | M16 |
75 | 65 | 185 | 92 | 20 | 145 | 8X18 | M16 |
90 | 80 | 200 | 108 | 20 | 160 | 8X18 | M16 |
110 | 100 | 220 | 128 | 22 | 180 | 8X18 | M16 |
125 | 100 | 220 | 135 | 22 | 180 | 8X18 | M16 |
140 | 125 | 250 | 158 | 22 | 210 | 8X18 | M16 |
160 | 150 | 285 | 178 | 24 | 240 | 8X22 | M20 |
180 | 150 | 285 | 188 | 24 | 240 | 8X22 | M20 |
200 | 200 | 340 | 235 | 26 | 295 | 12X22 | M20 |
225 | 200 | 340 | 238 | 26 | 295 | 12X22 | M20 |
250 | 250 | 405 | 288 | 28 | 355 | 12X26 | M24 |
280 | 250 | 405 | 294 | 28 | 355 | 12X26 | M24 |
315 | 300 | 460 | 338 | 32 | 410 | 12X26 | M24 |
355 | 350 | 520 | 376 | 35 | 470 | 16X26 | M24 |
400 | 400 | 580 | 430 | 38 | 525 | 16X29.5 | M27 |
450 | 450 | 640 | 470 | 42 | 585 | 20X29.5 | M27 |
500 | 500 | 715 | 533 | 46 | 650 | 20X32.5 | M30 |
560 | 600 | 840 | 618 | 52 | 770 | 20X35.5 | M33 |
630 | 600 | 840 | 645 | 52 | 770 | 20X35.5 | M33 |
710 | 700 | 910 | 740 | - | 840 | 24X35.5 | M33 |
800 | 800 | 1025 | 843 | - | 950 | 24X39 | M36 |
900 | 900 | 1125 | 947 | - | 1050 | 28X39 | M36 |
1000 | 1000 | 1255 | 1050 | - | 1170 | 28X42 | M39 |
As per ISO 9624: "The inside diameter of the loose backing flange shall conform to the design of the flange adaptor. In some applications, values of the inside diameter of the loose backing flange differing from those given in the tables may be used."
ZheJiang Chengjiu Pipeline Co., Ltd.
Tel: 0086-0570-5012312
Fax: 0086-0570-5012312
E-mail: sales@cheng-jiu.cn
AS/NZS 4331.1 Flange
- Home
- >
- Flange Size
- >
- AS/NZS 4331.1 Flange
STEEL BACKING FLANGES AS/NZS4331.1(ISO 7005-1)
Nominal Pipe OD | Flange Size | OD | ID | Minimum Thickness | PCD | Bolt Hole No. x Dia. | Bolt Size |
20 | 15 |
Refer Table 5 | |||||
25 | 20 | ||||||
32 | 25 | ||||||
40 | 32 | ||||||
50 | 40 | ||||||
63 | 50 | ||||||
75 | 65 | ||||||
90 | 80 | ||||||
110 | 100 | ||||||
125 | 100 | ||||||
140 | 125 | ||||||
160 | 150 | ||||||
180 | 150 | ||||||
200 | 200 | 340 | 235 | 24 | 295 | 8X22 | M20 |
225 | 200 | 340 | 238 | 24 | 295 | 8X22 | M20 |
250 | 250 | 395 | 288 | 26 | 350 | 12X22 | M20 |
280 | 250 | 395 | 294 | 26 | 350 | 12X22 | M20 |
315 | 300 | 445 | 338 | 28 | 400 | 12X22 | M20 |
355 | 350 | 505 | 376 | 30 | 460 | 16X22 | M20 |
400 | 400 | 565 | 430 | 32 | 515 | 16X26 | M24 |
450 | 450 | 615 | 470 | 35 | 565 | 20X26 | M24 |
450 | 500 | 670 | 517 | 38 | 620 | 20X26 | M24 |
500 | 500 | 670 | 533 | 38 | 620 | 20X26 | M24 |
560 | 600 | 780 | 618 | 42 | 725 | 20X29.5 | M27 |
630 | 600 | 780 | 645 | 42 | 725 | 20X29.5 | M27 |
710 | 700 | 895 | 740 | - | 840 | 24X29.5 | M27 |
800 | 800 | 1015 | 843 | - | 950 | 24X32.5 | M30 |
900 | 900 | 1115 | 947 | - | 1050 | 28X32.5 | M30 |
1000 | 1000 | 1230 | 1050 | - | 1160 | 28X35.5 | M33 |
As per ISO 9624: "The inside diameter of the loose backing flange shall conform to the design of the flange adaptor. In some applications, values of the inside diameter of the loose backing flange differing from those given in the tables may be used."
STEEL BACKING FLANGES AS/NZS4331.1(ISO7005-1)
Nominal Pipe OD | Flange Size | OD | ID | Minimum Thickness | PCD | Bolt Hole No. x Dia. | Bolt Size |
20 | 15 | 95 | 28 | 14 | 65 | 4X14 | M12 |
25 | 20 | 105 | 34 | 16 | 75 | 4X14 | M12 |
32 | 25 | 115 | 42 | 16 | 85 | 4X14 | M12 |
40 | 32 | 140 | 51 | 18 | 100 | 4X18 | M16 |
50 | 40 | 150 | 62 | 18 | 110 | 4X18 | M16 |
63 | 50 | 165 | 78 | 20 | 125 | 4X18 | M16 |
75 | 65 | 185 | 92 | 20 | 145 | 8X18 | M16 |
90 | 80 | 200 | 108 | 20 | 160 | 8X18 | M16 |
110 | 100 | 220 | 128 | 22 | 180 | 8X18 | M16 |
125 | 100 | 220 | 135 | 22 | 180 | 8X18 | M16 |
140 | 125 | 250 | 158 | 22 | 210 | 8X18 | M16 |
160 | 150 | 285 | 178 | 24 | 240 | 8X22 | M20 |
180 | 150 | 285 | 188 | 24 | 240 | 8X22 | M20 |
200 | 200 | 340 | 235 | 26 | 295 | 12X22 | M20 |
225 | 200 | 340 | 238 | 26 | 295 | 12X22 | M20 |
250 | 250 | 405 | 288 | 28 | 355 | 12X26 | M24 |
280 | 250 | 405 | 294 | 28 | 355 | 12X26 | M24 |
315 | 300 | 460 | 338 | 32 | 410 | 12X26 | M24 |
355 | 350 | 520 | 376 | 35 | 470 | 16X26 | M24 |
400 | 400 | 580 | 430 | 38 | 525 | 16X29.5 | M27 |
450 | 450 | 640 | 470 | 42 | 585 | 20X29.5 | M27 |
500 | 500 | 715 | 533 | 46 | 650 | 20X32.5 | M30 |
560 | 600 | 840 | 618 | 52 | 770 | 20X35.5 | M33 |
630 | 600 | 840 | 645 | 52 | 770 | 20X35.5 | M33 |
710 | 700 | 910 | 740 | - | 840 | 24X35.5 | M33 |
800 | 800 | 1025 | 843 | - | 950 | 24X39 | M36 |
900 | 900 | 1125 | 947 | - | 1050 | 28X39 | M36 |
1000 | 1000 | 1255 | 1050 | - | 1170 | 28X42 | M39 |
As per ISO 9624: "The inside diameter of the loose backing flange shall conform to the design of the flange adaptor. In some applications, values of the inside diameter of the loose backing flange differing from those given in the tables may be used."
