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The ASME or as also known as American Society of Mechanical Engineers created the ASME B16.5 specification as a set of recommendations or standards, used by buyers as well as manufacturers for different components. The ASME B16.5 Class 1500 Flange is a standard which covers different parameters like the pressure and temperature ratings. Along with the materials, the manufacturer is required to follow the 1500# Flange Dimension, tolerances, testing, marking, as well as the methods of designating openings for both pipe flanges and flanged fittings.
Get instant delivery of 3/4 NPS, FF, Forged, Carbon Steel & Stainless Steel, RF, SCH-40 * SCH-80, WN, ASME 16.5 / ANSI B16.5 1500LB.
The standard includes flanges with rating class designations as follows - 150, 300, 400, 600, 900, including 1500# Raised Face Flange, and 2500 in a size range between NPS 1/2 through NPS 24. The requirements for these flanges are given in both metric and U.S units. The Standard is limited to not only Flange 1500 Lb Material Pressure Ratings and flanged fittings that have been produced from cast or forged materials, but also blind flange in addition to certain reducing Carbon Steel Class 1500 Flange which is made from cast, forged, or plate materials. This Standard also includes both requirements and recommendations with regards to flanges bolting, Stainless Steel Flanges 1500 Lb gaskets, and flanges joints.
| Specification : | ASME B16.5 Class 1500 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 1500LB Flanges : | Flanges 1500 LB WNRF Class 1500 RTJ 1500# BLRF Class 1500 SORF |
| 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 |
| Application: | Oil And Gas Industry Natural Gas Industry Chemical Industry Fabrication Industry Nuclear Power Plant Water Pipeline Industry |
| Temperature (in F°) | 1500# |
|---|---|
| < 100 | 3705 |
| 200 | 3395 |
| 300 | 3270 |
| 400 | 3170 |
| 500 | 3015 |
| 600 | 2840 |
| 650 | 2745 |
| 700 | 2655 |
| 750 | 2535 |
| 800 | 2055 |
| 850 | 1595 |
| 900 | 1150 |
| 950 | 685 |
| 1000 | 430 |
| Hydrostatic Test Pressure (psig) | 5575 |
NPS |
Outside diameter of flanges |
Mini. thick. of flanges |
Overall Length |
Bolt Circle |
Number and Size of Holes |
Outer Daimeter of raised face |
|||
Welding neck |
Slip-on & socket welding |
Lap Joint |
|||||||
O |
Q |
Y |
Diam. |
No. |
dia. |
R |
|||
1/2 |
12.1 |
22.3 |
60.3 |
31.8 |
31.8 |
82.5 |
4 |
22 |
35 |
3/4 |
130 |
25.4 |
69.8 |
34.9 |
34.9 |
89.0 |
4 |
22 |
43 |
1 |
149 |
28.6 |
73.0 |
41.3 |
41.3 |
101.5 |
4 |
25 |
51 |
1-1/4 |
159 |
28.6 |
73.0 |
41.3 |
41.3 |
111.0 |
4 |
25 |
64 |
1-1/2 |
178 |
31.8 |
82.6 |
44.4 |
44.4 |
124.0 |
4 |
29 |
73 |
2 |
216 |
38.1 |
101.6 |
57.2 |
57.2 |
165.0 |
8 |
25 |
92 |
2-1/2 |
244 |
41.3 |
104.8 |
63.5 |
63.5 |
190.5 |
8 |
29 |
105 |
3 |
267 |
47.7 |
117.5 |
73.0 |
73.0 |
203.0 |
8 |
32 |
127 |
3-1/2 |
|||||||||
4 |
311 |
54.0 |
123.8 |
90.5 |
90.5 |
241.5 |
8 |
35 |
157 |
5 |
375 |
73.1 |
155.5 |
104.8 |
104.8 |
292.0 |
8 |
41 |
186 |
6 |
394 |
82.6 |
171.4 |
119.1 |
119.1 |
317.5 |
12 |
38 |
216 |
8 |
483 |
92.1 |
212.7 |
142.9 |
142.9 |
393.5 |
12 |
45 |
270 |
10 |
584 |
108.0 |
254.0 |
158.8 |
177.8 |
482.5 |
12 |
51 |
324 |
12 |
673 |
123.9 |
282.9 |
181.0 |
219.1 |
571.5 |
16 |
54 |
381 |
14 |
749 |
133.4 |
298.4 |
241.3 |
635.0 |
16 |
60 |
413 |
|
16 |
826 |
146.1 |
311.2 |
260.4 |
705.0 |
16 |
51 |
470 |
|
18 |
914 |
162.0 |
327.0 |
- |
276.2 |
474.5 |
16 |
73 |
538 |
20 |
984 |
117.8 |
355.4 |
292.1 |
832.0 |
16 |
80 |
584 |
|
24 |
1168 |
203.2 |
406.4 |
330.2 |
990.5 |
16 |
92 |
692 |
|
class 1500 Expander Flange
ANSI B16.5 Class 1500 Socket-weld Flange
1500# High hub Blind Flange
Welding Neck Flange ANSI B16.5 1500 Lbs
Class 1500 Plate Flange
ANSI 1500 Square Flange
Class 1500 Puddle Flanges
ANSI 1500 Flanges Adapter
1500# Rf Threaded Flange
ANSI B16.5 Class 1500 Lap Joint Flange
Class 1500 Long Weld Neck Flange
ANSI/ASME B16.5 Class 1500 Forged Flange
| CLASS | Nominal Pipe Size | Slip On | Threaded | Socket Weld | Lap Joint | Blind | Weld Neck |
| 1500LB | ½ | 1 | 1 | 2 | 1 | 2 | 2 |
| ¾ | 2 | 2 | 2 | 2 | 2 | 2 | |
| 1 | 2 | 2 | 2 | 2 | 2 | 3 | |
| 1¼ | 3 | 3 | 3 | 3 | 3 | 3 | |
| 1½ | 3 | 3 | 3 | 3 | 4 | 4 | |
| 2 | 5 | 5 | 5 | 5 | 5 | 6 | |
| 2½ | 8 | 8 | 8 | 8 | 7 | 10 | |
| 3 | 9 | 9 | 9 | 9 | 9 | 11.5 | |
| 3½ | 11 | 12 | 11 | 11 | 13 | 12 | |
| 4 | 13 | 13 | 13 | 13 | 17 | 16.5 | |
| 5 | 15 | 15 | 15 | 15 | 20 | 21 | |
| 6 | 19 | 19 | 19 | 19 | 27 | 26 | |
| 8 | 30 | 30 | 30 | 30 | 47 | 42 | |
| 10 | 43 | 43 | 43 | 43 | 70 | 54 | |
| 12 | 64 | 64 | 64 | 64 | 123 | 88 | |
| 14 | 90 | 90 | 90 | 105 | 140 | 114 | |
| 16 | 106 | 98 | 98 | 140 | 180 | 140 | |
| 18 | 130 | 130 | 130 | 160 | 220 | 165 | |
| 20 | 165 | 165 | 165 | 195 | 285 | 197 | |
| 22 | 185 | 185 | 185 | 245 | 355 | 225 | |
| 24 | 220 | 220 | 220 | 275 | 430 | 268 |
1500# Flanges |
|||
# Bolts or Studs |
Diameter of Bolts or Studs |
Length of Stud |
|
Ring Type Joint |
1/4 RF |
||
4-1/4 |
4 |
0.75 |
4-1/4 |
4-1/2 |
4 |
0.75 |
4-1/2 |
5 |
4 |
0.88 |
5 |
5 |
4 |
0.88 |
5 |
5-1/2 |
4 |
1.00 |
5-1/2 |
5-3/4 |
8 |
0.88 |
5-3/4 |
6-1/4 |
8 |
1.00 |
6-1/4 |
5-3/4 |
8 |
1.13 |
7 |
6-3/4 |
8 |
1.25 |
7-3/4 |
7-1/2 |
8 |
1.50 |
9-3/4 |
7-3/4 |
12 |
1.38 |
10-1/4 |
8-3/4 |
12 |
1.63 |
11-1/2 |
9-1/4 |
12 |
1.88 |
13-1/4 |
10 |
16 |
2.00 |
14-3/4 |
11 |
16 |
2.25 |
16 |
11-1/2 |
16 |
2.50 |
17-1/2 |
13-1/4 |
16 |
2.75 |
19-1/2 |
14-1/4 |
16 |
3.00 |
21-1/4 |
18 |
16 |
3.50 |
24-1/4 |
| NPS NPS (inch) |
ASME B16.5 Class 1500 Flange | ||||
|---|---|---|---|---|---|
| Diammeter of Flange (inch) |
No. of Bolts |
Diammeter of Bolts (inch) |
Diammeter of Bolt Holes (inch) |
Bolt Circle (inch) |
|
| 1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
| 1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
| 3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
| 1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
| 1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
| 1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
| 2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
| 2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
| 3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
| 3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
| 4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
| 5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
| 6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
| 8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
| 10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
| 12 | 19 | 12 | 7/8 | 1 | 17 |
| 14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
| 16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
| 18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
| 20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
| 24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |