DISTRIBUTION
Download the Distribution Product Catalogue - Steel & Tube
Download the Distribution Product Catalogue - Steel & Tube
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Engineering Data<br />
Pressure/Temperature Ratings – ASA Flanges<br />
Pressure rating – PSIG<br />
Body<br />
100ºF 450ºF 500ºF 650ºF 850ºF 950ºF 1000ºF 1125ºF<br />
Connection<br />
Material 37.8ºC 232ºC 260ºC 343ºC 454ºC 482ºC 538ºC 607ºC<br />
Carbon ASA 150 275 165 150 120 82<br />
Steel ASA 300 720 650 625 515 300<br />
ASA 600 1440 1305 1250 1030 600<br />
ASA 900 2160 1955 1875 1550 900<br />
ASA 1500 3600 3255 3125 2980 1500<br />
American Standard Flanges – Temperature/Pressure Ratings<br />
Maximum working Pressure in kPa by Classes (For approximate PSI divide by 7)<br />
Temp ºC 150 300 600 900 1500 2500<br />
-29 to 38 1960 5110 10210 15320 25530 42550<br />
50 1920 5010 10020 15020 25040 41730<br />
100 1770 4640 9280 13910 23190 38650<br />
150 1580 4520 9050 13570 22610 37690<br />
200 1400 4380 8760 13150 21910 36520<br />
250 1210 4170 8340 12520 20860 34770<br />
300 1020 3870 7750 11620 19370 32280<br />
350 840 3700 7390 11090 18480 30800<br />
375 740 3650 7290 10940 18230 30390<br />
400 650 3450 6900 10350 17250 28750<br />
425 560 2880 5750 8630 14380 23960<br />
450 470 2000 4010 6010 10020 16690<br />
475 370 1350 2710 4060 6770 11290<br />
500 280 880 1760 2640 4400 7330<br />
525 190 520 1040 1550 2590 4320<br />
540 130 330 650 980 1630 2720<br />
Carbon Steel Pipe Flanges to ANSI/<br />
ASME B16.5 – 1988 (BS.1560)<br />
Forgings to ASTM A105 & A350LF2<br />
Forgings to ASTM A181 Grade FII for<br />
Class 150 and 300 only<br />
Flange Tables<br />
Note: AS – Australian Standard; ANSI – American National Standard Institute; BS – British Standard<br />
Nominal Size: 15mm ( 1 /2 in.)<br />
Outside Pitch Circle Number Size of Length Valve Flange Thickness<br />
Flange Standard Diameter Diameter of Bolts Bolts of Bolts Copper Cast Iron Forged/<br />
of Flange Alloy S.G. Iron Cast Steel<br />
AS2129 Tables C/D 95 67 4 M12 45 13 13 10<br />
AS2129 Table E 95 67 4 M12 45 6 13 10<br />
AS2129 Table F 95 67 4 M12 45 8 13 10<br />
AS2129 Table H 115 83 4 M16 60 10 16 13<br />
ANSI Class 125/150 89 60 4<br />
1/2 UNC 50 — 12 12<br />
ANSI Class 300 95 67 4<br />
1/2 UNC 55 — — 15<br />
ANSI Class 600 95 67 4<br />
1/2 UNC 55 — — 15<br />
BS4504 PN6 80 55 4 M10 45 6 12 12<br />
BS4504 PN10 95 65 4 M12 50 6 14 14<br />
BS4504 PN16 95 65 4 M12 50 6 14 14<br />
BS4504 PN25 95 65 4 M12 55 8 16 16<br />
Nominal Size: 20mm ( 3 /4 in.)<br />
Outside Pitch Circle Number Size of Length Valve Flange Thickness<br />
Flange Standard Diameter Diameter of Bolts Bolts of Bolts Copper Cast Iron Forged/<br />
of Flange Alloy S.G. Iron Cast Steel<br />
AS2129 Tables C/D 100 73 4 M12 45 13 13 10<br />
AS2129 Table E 100 73 4 M12 45 6 13 10<br />
AS2129 Table F 100 73 4 M12 45 8 13 10<br />
AS2129 Table H 115 83 4 M16 60 10 16 13<br />
ANSI Class 125/150 98 70 4<br />
1/2 UNC 55 — 13 14<br />
ANSI Class 300 117 83 4<br />
5/8 UNC 60 — — 16<br />
ANSI Class 600 117 83 4<br />
5/8 UNC 60 — — 16<br />
BS4504 PN6 90 65 4 M10 50 6 14 14<br />
BS4504 PN10 105 75 4 M12 55 6 16 16<br />
BS4504 PN16 105 75 4 M12 55 6 16 16<br />
BS4504 PN25 105 75 4 M12 60 8 18 18<br />
Flange Tables<br />
page 67
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