2017­6­7
ANSI B16.5 ­ Steel Pipe Flanges ­ Maximum Pressure and Temperature Ratings ­ Group 1.2
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ANSI B16.5 ­ Steel Pipe Flanges ­ Maximum Pressure and Temperature Ratings ­ Group 1.2
Non­shock pressure (psig) and temperature ratings for steel pipe flanges and flanged fittings
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Maximum allowable non­shock pressure (psig) and temperature ratings for steel pipe flanges and flanged fittings according the American National Standard ANSI B16.5 ­ 1988.
Maximum Allowable non­shock Pressure (psig)
(kPa)
Pressure Class (lb)
Temperature
(oF)
(deg C)
150
300
400
600
Hydrostatic Test Pressure (psig)
900
1500
2500
(kPa)
450
3103
1125
7757
1500
10343
2225
15341
3350
23098
5575
38440
9275
63951
­20 to 100
290
2000
750
5171
1000
6895
1500
10343
2250
15514
3750
25856
6250
43094
200
260
1793
750
5171
1000
6895
1500
10343
2250
15514
3750
25856
6250
43094
300
230
1586
730
5033
970
6688
1455
10032
2185
15066
3640
25098
6070
41853
400
200
1379
705
4861
940
6481
1405
9687
2110
14548
3520
24270
5865
40439
500
170
1172
665
4585
885
6102
1330
9170
1995
13756
3325
22926
5540
38198
600
140
965
605
4171
805
5550
1210
8343
1815
12514
3025
20857
5040
34751
650
125
862
590
4068
785
5413
1175
8102
1765
12170
2940
20271
4905
33820
700
110
758
555
3827
740
5102
1110
7653
1665
11480
2775
19134
4630
31924
750
95
655
505
3482
675
4654
1015
6998
1520
10480
2535
17479
4230
29166
800
80
552
410
2827
550
3792
825
5688
1235
8515
2055
14169
3430
23650
850
65
448
320
2206
425
2930
640
4413
955
6585
1595
10998
2655
18306
900
50
345
225
1551
295
2034
445
3068
670
4620
1115
7688
1855
12790
950
35
241
135
931
185
1276
275
1896
410
2827
685
4723
1145
7895
1000
20
138
85
586
115
793
170
1172
255
1758
430
2965
715
4930
The values in this table apply to materials Group 1.2
Pressure Ratings Group 1.1
For other Material Groups the Pressure­Temperature Ratings are different. Most carbon steels are only acceptable for temperatures below 800 F.
Related Topics
Pressure Ratings ­ Pressure ratings of pipes and tubes and their fittings ­ carbon steel , stainless steel, plastic, copper and more
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Related Documents
Flanges and Bolt Dimensions ASME/ANSI B16.5 ­ Class 150 to 2500 ­ Diameters and bolt circles for standard ASME B16.5 flanges ­ 1/4 to 24 inches ­ Class 150 to 2500
ASME/ANSI B16 Standards for Pipes and Fittings ­ The ASME B16 standards covers pipes and fittings in cast iron , cast bronze, wrought copper and steel
Carbon Steel Flanges ­ Pressure and Temperature Ratings ­ Group 1.1 ­ Maximum temperature and pressure ratings of flanges conforming dimensions ASME B16.5 and materials specification ASTM A­105
Bronze Flanges ­ ASME/ANSI 150 lb ­ Flange diameters, thickness, bolt circles, numbers and diameters of bolts for ASME/ANSI B16.15 ­ Cast Bronze Threaded Fittings ­ 150 lb Bronze flanges with plain faces
Bronze Flanges ­ ASME/ANSI 300 lb ­ Flange diameters, thickness, bolt circles, numbers and diameter of bolts for ASME/ANSI B16.15 ­ Cast Bronze Threaded Fittings ­ 300 lb Bronze Flanges with plain faces
ANSI ­ American National Standards Institute ­ ANSI provides a forum for development of American national standards
ASME ­ American Society of Mechanical Engineers ­ ASME is one of the leading organizations in the world developing codes and standards
ASME B31 ­ Pressure Piping ­ A survey of one of the most important pressure pipe codes ­ ASME B31, earlier known as ANSI B31
ASME B31.9 ­ Working Pressure and Temperature Limits ­ The working pressure and temperature limits of ASME Code B31.9 ­ Building Services Piping
ANSI B16.5 ­ Steel Pipe Flanges ­ Maximum Pressure and Temperature Ratings ­ Group 1.2 ­ Non­shock pressure (psig) and temperature ratings for steel pipe flanges and flanged fittings
Flanges ­ API vs. ASME/ANSI ­ API and ASME/ANSI flanges ­ comparing dimensions and pressure ratings
Flanges ­ Hydrostatic Test Pressure ­ Flanged fittings and required hydrostatic test pressure
Cast Iron Flanges ­ ASME/ANSI Class 125 ­ ASME/ANSI B16.1 Cast Iron Pipe Flanges and Flanged Fittings ­ Class 125 Flanges ­ outside and inside diameters, bolt circles, numbers and diameters of bolts
Carbon and Stainless Steel Flanges ­ ASME/ANSI Class 150 ­ ASME/ANSI B16.5­1996 Pipe Flanges and Flanged Fittings ­ Class 150 Flanges ­ outside and inside diameters, bolt circles, numbers and diameters of bolts
Pressure and Temperature Ratings ASTM A­53, A­106 and API 5L Grade B Carbon Steel Pipes ­ Metric Units ­ Pressure (kPa) and temperature (oC) ratings of ASTM A­106, API 5L and ASTM A­53 Seamless Carbon Steel Pipes ­
temperatures ranging ­29 oC ­ 450 oC
Pressure and Temperature Ratings of A­53 B, A­106 B, A333, A334 and API 5L Carbon Steel Pipes ­ Imperial Units ­ Pressure (psig) and temperature (deg F) ratings for A­53 B and A­106 B, A333, A334 and API 5L carbon steel pipes ­
temperatures ranging 100 oF ­ 700 oF
Steel Pipes ­ Temperature Derating ­ Temperature derating factor for steel pipes
Steel Tubes ­ Working Pressures ­ Normal maximum working pressures for steel tubes ­ in psi (lb/in2) and kPa (kN/m2)
Water Hammers ­ Rapidly closing or opening valves may cause pressure transients in pipelines known as water hammers
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