1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B ISO 7005 2 2： KS B ISO 7005 2:2008 2008 12 1 http:/www.kats.go.krKS B ISO 7005 2:2008 : ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ： 2003 11 15 ： 2008 12 1 2008-0818 ： ：g ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B ISO 7005 2:2008 2： Metall
2、ic flanges Part 2： Cast iron flanges 1988 1 ISO 7005 2, Metallic flanges Part 2： Cast iron flanges . 1 , , . 11) 21)ISO PN10 ISO PN2.5 ISO PN16 ISO PN6 ISO PN20 ISO PN25 ISO PN50 ISO PN40 1 ( ISO PN20 ISO PN50 ) / . 2 . 2 . . ( ) . KS B ISO 887, , KS B ISO 7268, KS D ISO 5922, ISO 185, Classificatio
3、n of grey cast iron ISO 261, ISO general purpose metric screw threads General plan ISO 468 ： 1982, Surace roughness Parameters, their values and general rules for specifying requirements, relate to the reference specimens ISO 1083, Spheroidal graphite cast iron Classification ISO 2531, Ductile iron
4、pipes, fittings and accessories for pressure pipelines ISO 6708, Pipe components Definition of nominal size ISO 7005 1, Metallic flanges Part 1： Steel flanges 1) 1 , 2 . KS B ISO 7005 2:2008 2 ASTM A 126, Gray iron castings for valves, flanges, and pipe fittings ASTM A 395, Ferritic ductile iron pre
5、ssure-retaining castings for use at elevated temperatures DIN 2530, Cast iron flanges; nominal pressure 2.5 DIN 2531, Cast iron flanges; nominal pressure 6 DIN 2532, Cast iron flanges; nominal pressure 10 DIN 2533, Cast iron flanges; nominal pressure 16 DIN 2534, Cast iron flanges; nominal pressure
6、25 DIN 2535, Cast iron flanges； nominal pressure 40 3 ISO 6708 (DN) KS B ISO 7268 (PN) . “ISO PN” . 3.1 1 . 05 11 12 13 14 15 21 2 1 (A B ) . 4 4.1 / (p/T ) 4.1.1 14 / 15( ), 16 17( ), 18( ) . . . 4.1.2 / , . 1 . . KS B ISO 7005 2:2008 3 . 2 . 3 , . 4 . 4.2 4.2.1 14 . , . 4.2.2 . 4.2.3 1 . , . 2 , 2
7、40 N/mm2 . , , . 4.3 4.3.1 2 4 . 4.3.2 . ISO PN 2.5 6 ISO PN 6 7 ISO PN 10 8 ISO PN 16 9 ISO PN 20 10 ISO PN 25 11 ISO PN 40 12 ISO PN 50 13 KS B ISO 7005 2:2008 4 . A . 4.3.3 . 4.4 4.4.1 ( A B ) 2 . 5 . ( ). 4.4.2 a) ISO PN2.5, ISO PN6, ISO PN10, ISO PN16, ISO PN25, ISO PN40 . b) ISO PN20 . ISO PN5
8、0 . ISO PN20 ISO PN50 . c) . 1) 2) 4.4.3 1 . 1 Ra Rz . 1 ISO 468 Ra Rz . 2 . 1 , Ra Rz ： m RaRza3.2 12.5 12.5 50 b3.2 6.3 12.5 25 a“ ” . b RaRz . 4.5 KS B ISO 7005 2:2008 5 . , KS B ISO 887 . , . 2 . 4.6 4.6.1 . a) (DN) (ISO PN) b) c) DN 300 ISO PN16 400 5 XXXX 1 . 2 , , p/T . 4.6.2 , . 4.7 ISO PN20
9、 ISO PN50 , 125 250 ANSI B 16.1 150 300 ANSI B 16.42 . 1 ISO PN20 ISO PN50 ANSI B 16.1 ANSI B 16.42 . 2 . . . 4.8 , . . 4.9 / . a) , KS B ISO 7005 2 b) DN(4.3.1 ) KS B ISO 7005 2:2008 6 c) ISO PN(1. ) d) (3.1 1 ) e) (3.1 2 ) f) (4.2.1 ) g) 11, 12, 14, 15 , ( 6 13 3 ) h) , (13 ) 05 11 12 1 ISO PN20 I
10、SO PN50 KS B ISO 7005 2:2008 7 13 14 15 21 4.4.1 1 ( ) 5 2 DNISO PN 1015202532405065801001251502002 5 0 3 0 0 3 5 0 4004505006007008009001000120014001600180020002200240026002800300032003400360038004 0 0 0 6 2.5 7 6 8 10 9 16 10 20 11 25 12 40 13 50 2.5 6 8 10 9 16 10 20 25 40 13 50 6 2.5 ISO PN6 7 6
11、 8 10 9 16 10 20 11 25 12 40 13 50 1 (ISO PN) (DN) . 2 ISO PN20 ISO PN50 , DN750 DN700 ( 10 13 ). KS B ISO 70052 :20088 3 DNISO PN 1015202532405065801001251502002 5 0 3 0 0 3 5 0 4004505006007008009001000120014001600180020002200240026002800300032003 4 0 0 3 6 0 0 2.5 6 8 10 9 16 10 20 11 25 12 40 13
12、 50 2.5 6 8 10 9 16 20 11 25 12 40 50 2.5 6 8 10 9 16 20 11 25 12 40 50 9KS B ISO 7005-2 : 2008 3 ( ) DNISO PN 1015202532405065801001251502002 5 0 3 0 0 3 5 0 4004505006007008009001000120014001600180020002200240026002800300032003 4 0 0 3 6 0 0 2.5 6 8 10 9 16 10 20 11 25 12 40 13 50 2.5 6 8 10 9 16
13、20 11 25 12 40 50 2.5 6 10 16 10 20 25 40 13 50 KS B ISO 70052:200810 3 ( ) DNISO PN 1015202532405065801001251502002 5 0 3 0 0 3 5 0 4004505006007008009001000120014001600180020002200240026002800300032003 4 0 0 3 6 0 0 2.5 6 8 10 9 16 10 20 11 25 12 40 13 50 (ISO PN) (DN) . 11KS B ISO 7005-2 : 2008 4
14、 DNISO PN 101520253240506 5 8 0 1 0 0 1251502002503003504004505006007008009001000120014001600180020002200240026002800300032003 4 0 0 3 6 0 0 2.5 76 8 10 9 16 20 11 25 12 40 50 2.5 6 8 10 9 16 20 11 25 12 40 50 2.5 76 8 10 9 16 20 11 25 12 40 50 (ISO PN) (DN) . KS B ISO 70052:200812 KS B ISO 7005 2:2
15、008 13 A B 2 A B aa 4.4.2 KS B ISO 7005 2:2008 14 5 B aISO PN 2.5 ISO PN6 ISO PN10 ISO PN16 ISO PN20 ISO PN25 ISO PN40 ISO PN50 DN d1f1d1f1d1f1d1f1d1f1d1f1d1f1d1f1d1f110 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 900 1 000 1 200 1 400 1 600 1 800 2 000 2 200 2 400 2
16、600 2 800 3 000 3 200 3 400 3 600 3 800 4 000 1 280 1 480 1 690 1 890 2 090 2 295 2 495 2 695 2 910 3 110 3 310 3 510 3 720 3 920 4 120 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 33 38 48 58 69 78 88 108 124 144 174 199 254 309 363 413 463 518 568 667 772 878 978 1 078 1 295 1 510 1 710 1 918 2 125 2 335 2 545 2
17、 750 2 960 3 160 3 370 3 580 3 790 2 2 2 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 41 46 56 65 76 84 99 118 132 156 184 211 266 319 370 429 480 530 582 682 794 901 1 001 1 112 1 328 1 530 1 750 1 950 2 150 2 2 2 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 41 46 56 6
18、5 76 84 99 118 132 156 184 211 266 319 370 429 480 548 609 720 794 901 1 001 1 112 1 328 1 530 1 750 1 950 2 150 2223333333333344444555555555551 64 73 92 105 127 157 186 216 270 324 381 413 470 533 584 692 2222222222222222241 46 56 65 76 84 99 118 132 156 184 211 274 330 389 448 503 548 609 720 820
19、928 1 028 1 140 1 350 1 560 1 780 1 985 2 210 2223333333333344444555555555541 46 56 65 76 84 99 118 132 156 184 211 284 345 409 465 535 560 615 735 2 2 2 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 5 68 78 90 106 125 144 176 211 246 303 357 418 481 535 592 649 770 945 b2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 51 64
20、73 92 105 127 157 186 216 270 324 381 413 470 533 584 692 22222222222222222a4.4.2 bISO PN50 , DN750 DN700 . ISO PN6 05 21 , . 6 “ ” 5 15KS B ISO 70052:2008 6 ISO PN 2.5 ： mm D K L2 GIaC5 G2 N3 r DN 05, 21 05, 21 05 21 21 10 1 000 ISO PN 6 1 200 1 375 1 320 30 32 M 27 30 1 185 1 250 8 1 400 1 575 1 5
21、20 30 36 M 27 30 1 385 1 452 8 1 600 1 790 1 730 30 40 M 27 32 1 585 1 654 10 1 800 1 990 1 930 30 44 M 27 34 1 785 1 856 10 2 000 2 190 2 130 30 48 M 27 34 1 985 2 056 10 2 200 2 405 2 340 33 52 M 30 36 2 185 2 260 10 2 400 2 605 2 540 33 56 M 30 38 2 385 2 464 10 2 600 2 805 2 740 33 60 M 30 40 2
22、585 2 668 10 2 800 3 030 2 960 36 64 M 33 42 2 785 2 868 12 3 000 3 230 3 160 36 68 M 33 42 2 985 3 068 12 3 200 3 430 3 360 36 72 M 33 44 3 185 3 268 12 3 400 3 630 3 560 36 76 M 33 46 3 385 3 472 12 3 600 3 840 3 770 36 80 M 33 48 3 585 3 676 12 3 800 4 045 3 970 39 80 M 36 48 3 785 3 876 12 4 000
23、 4 245 4 170 39 84 M 36 50 3 985 4 076 12 a 14 16 KS B ISO 70052:200805 21 , . 7 “ ” 5 17KS B ISO 70052:2008 7 ISO PN 6 ： mm D K L2 GIaC5MIaC8 G2 N3 r DN 05, 21 05, 21 05 21 21 10 75 50 11 4 M 10 12 12 20 3 15 80 55 11 4 M 10 12 12 26 3 20 90 65 11 4 M 10 14 14 34 4 25 100 75 11 4 M 10 14 14 44 4 32
24、 120 90 14 4 M 12 16 16 54 5 40 130 100 14 4 M 12 16 16 64 5 50 140 110 14 4 M 12 16 16 74 5 65 160 130 14 4 M 12 16 16 94 6 80 190 150 19 4 M 16 18 18 110 6 100 210 170 19 4 M 16 18 18 130 6 125 240 200 19 8 M 16 20 20 160 6 150 265 225 19 8 M 16 20 20 182 8 200 320 280 19 8 M 16 22 22 238 8 250 37
25、5 335 19 12 M 16 24 24 284 10 300 440 395 23 12 M 20 24 24 342 10 350 490 445 23 12 M 20 26 325 392 10 400 540 495 23 16 M 20 28 375 442 10 450 595 550 23 16 M 20 28 425 494 12 500 645 600 23 20 M 20 30 475 544 12 600 755 705 26 20 M 24 30 575 642 12 700 860 810 26 24 M 24 32 675 746 12 800 975 920
26、31 24 M 27 34 775 850 12 18 KS B ISO 70052:2008 7 ISO PN 6 ( ) ： mm D K L2 GIaC5MIaC8 G2 N3 r DN 05, 21 05, 21 05 21 21 900 1 075 1 020 31 24 M 27 36 875 950 12 1 000 1 175 1 120 31 28 M 27 36 975 1 050 12 1 200 1 405 1 340 34 32 M 30 40 1 175 1 264 12 1 400 1 630 1 560 37 36 M 33 44 1 375 1 480 12
27、1 600 1 830 1 760 37 40 M 33 48 1 575 1 680 12 1 800 2 045 1 970 40 44 M 36 50 1 775 1 878 15 2 000 2 265 2 180 43 48 M 39 54 1 975 2 082 15 2 200 2 475 2 390 43 52 M 39 60 15 2 400 2 685 2 600 43 56 M 39 62 15 2 600 2 905 2 810 49 60 M 45 64 15 2 800 3 115 3 020 49 64 M 45 68 15 3 000 3 315 3 220 4
28、9 68 M 45 70 15 3 200 3 525 3 430 49 72 M 45 76 15 3 400 3 735 3 640 49 76 M 45 80 15 3 600 3 970 3 860 56 80 M 52 84 . 15 a 14 19KS B ISO 70052:200805 11 12 13 14 21 , . 8 “ ” 5 20 KS B ISO 70052:2008 8 ISO PN 10 ： mm D K L2 GIaC5DIaC7MIaC8 G2 N3 r DN 05, 11, 12, 13, 14, 21 05, 13, 21 05, 11, 12,13, 14, 2105, 13, 21 05 11, 12, 13,14, 21 11, 12, 13, 14, 21 10 14 14 28 3 15 14 14 32 3 20 16 16 40 4 25 16 16 50 4 32 18 18 60 5 40 18 19.0 18 70 5 50 20 19.0 20 84 5 65 20 19.0 20 104 6
