Types of Flanges Dimension Products
Ansi B16 5 Class 900 Flange
Specification
CHEMICAL & MECHANICAL COMPOSITION
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Detailed Information
Flanges Are Able To Withstand Different Pressures At Varying Temperatures. As Temperature Increases, The Pressure Rating Of The Flange Will Decrease. For Instance, A Class 150 Flange Is Rated To Approximately 270 PSIG At Ambient Conditions. The Same Class Flange Is Rated 180 PSIG At Approximately 400°F, 150 PSIG At About 600°F, And 75 PSIG At Roughly 800°F. In Other Words, When The Pressure Used In The Environment Goes Down, The Temperature Range Or Rating Goes Up And Vice Versa.
An additional factor that determines the manufacture or the production process of the 900 lb rtj flange dimensions include details such as its construction from different materials. Materials used in the manufacture of the, 8 900 lb flange dimensions include alloys such as different stainless steel grades, cast and ductile iron, carbon steel etc. Each material used to produce the 4 900 lb flange dimensions has a different pressure rating.
Pressure-temperature ratings for the 8 900 lb flange dimensions are maximum allowable working gage pressures in terms of bar units at the temperatures in degrees Celsius. For intermediate temperatures, linear interpolation of these flanges is permitted. Interpolation between class designations such as the ansi 900 lb flange dimensions is not permitted.
Pressure-temperature ratings applied to 900 lb weld neck flange dimensions joints need to confirm the limitations placed on bolting as well as on gaskets. These limitations are made keeping in accordance with good practice for alignment and assembly of the 900 lb ansi flange dimensions . Use of these pressure ratings for flanged joints that do not conform to these limitations are the responsibility of the user.
The temperature shown for a conforming pressure rating for a 900 lb flange dimensions
Ansi B16 5 Class 900 Flange Specification List
|
Specification : |
ASME B16.5 Class 900 Flange |
|
Production Process: |
Forged, Heat Treated and Machined |
|
Supporting Flanges Material: |
Ring Joint, Gasket, Flanges Bolts |
|
Connect Type Type: |
LJF, LMF, RTJ, SMF, RF, FF |
|
Design For Size: |
ANSI, ASME, ASA, PN, JIS, EN, DIN, BS |
|
Machining Equipment: |
Electric bevelling machine, Bending machine, Press machine, Pushing Machine, Sand-blasting machine etc |
|
Coating Flanges Faces : |
Oil Black Paint, Yellow Transparent, Anti-rust Paint, Zinc Plated, Cold and Hot Dip Galvanized |
|
Common Types of 900LB Flanges : |
Flanges 900 LB WNRF Class 900 RTJ 900# BLRF Class 900 SORF |
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Size Chart : |
1/2″ (15 NB) To 48″ (1200NB) |
|
Standards : |
PN Flange, ISO Flange, JIS Flange, MSS SP44 Flange, EN-1092 Flange, BS10 Flange, ASME B16.38 Flange, UNI Flange, ASME B16.47 (Series A, Series B) Flange, ASME B16.5 Flange, AWWA Flange, DIN Flange, GOST Flange |
|
Pressure Rating Table: |
Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS |
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Application: |
Oil And Gas Industry Natural Gas Industry Chemical Industry Fabrication Industry Nuclear Power Plant Water Pipeline Industry |
900 Pound Flange Dimension chart
|
Normal pipe size |
Outside dia. of flange |
Minimum thickness of flange |
Overall Length |
Bolt Circle |
No. and Size of Holes |
O.D. of raised face |
|||
|
Welding neck |
Slip-on & socket welding |
Lap Joint |
|||||||
|
|
O |
Q |
Y |
Diam. |
No. |
dia. |
R |
||
|
1/2 |
95 |
14.3 |
52.4 |
22.2 |
22.2 |
66.5 |
4 |
15 |
35 |
|
3/4 |
117 |
15.9 |
57.2 |
25.4 |
25.4 |
82.5 |
4 |
19 |
43 |
|
1 |
124 |
17.5 |
61.9 |
27.0 |
27.0 |
89.0 |
4 |
19 |
51 |
|
1-1/4 |
133 |
20.7 |
66.7 |
28.6 |
28.6 |
98.5 |
4 |
19 |
64 |
|
1-1/2 |
156 |
22.3 |
69.8 |
31.8 |
31.8 |
114.5 |
4 |
22 |
73 |
|
2 |
165 |
25.4 |
73.0 |
36.5 |
36.5 |
127.0 |
8 |
19 |
92 |
|
2-1/2 |
190 |
28.6 |
79.4 |
41.3 |
41.3 |
149.0 |
8 |
22 |
105 |
|
3 |
210 |
31.8 |
82.6 |
46.0 |
46.0 |
168.0 |
8 |
22 |
127 |
|
3-1/2 |
229 |
35.0 |
85.7 |
49.2 |
49.2 |
184.0 |
8 |
25 |
140 |
|
4 |
273 |
38.1 |
101.6 |
54.0 |
54.0 |
216.0 |
8 |
25 |
157 |
|
5 |
330 |
44.5 |
114.3 |
60.3 |
60.3 |
266.5 |
8 |
29 |
186 |
|
6 |
356 |
47.7 |
117.5 |
66.7 |
66.7 |
292.0 |
12 |
29 |
216 |
|
8 |
419 |
55.6 |
133.4 |
76.2 |
76.2 |
349.0 |
12 |
32 |
270 |
|
10 |
508 |
63.5 |
152.4 |
85.7 |
115.1 |
432.0 |
16 |
85 |
324 |
|
12 |
559 |
66.7 |
155.6 |
92.1 |
111.1 |
489.0 |
20 |
35 |
381 |
|
14 |
603 |
69.9 |
165.1 |
93.7 |
117.5 |
527.0 |
20 |
38 |
413 |
|
16 |
686 |
76.2 |
177.8 |
106.4 |
127.0 |
603.0 |
20 |
41 |
470 |
|
18 |
743 |
82.6 |
184.2 |
117.6 |
139.7 |
654.0 |
20 |
45 |
533 |
|
20 |
813 |
88.9 |
190.5 |
127.0 |
165.1 |
724.0 |
24 |
45 |
584 |
|
24 |
940 |
101.6 |
203.2 |
139.7 |
184.2 |
838.0 |
24 |
51 |
692 |
Pressure Rating of Ansi 900 Lb Flange
|
TEMP C° |
900# |
|
-29 TO 38 |
124.1 |
|
50 |
120.1 |
|
100 |
104.4 |
|
150 |
94.2 |
|
200 |
87.5 |
|
250 |
82.4 |
|
300 |
78.2 |
|
325 |
76.4 |
|
350 |
75.2 |
|
375 |
74.3 |
|
400 |
72.9 |
|
425 |
71.6 |
|
450 |
70.2 |
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