Ansi B16.5 Class 2500 Flange Dimensions In MM

The maximum allowed pressure that a flange can withstand at rising temperatures is well-defined as pressure rating. Class, #, pressure rating, Lb or Lbs are all interchangeable terminology. According to specifications like ANSI/ASME B16.5 class 2500 Flange, there are seven different pressure ratings for flanges: class 150, class 300, class 400, class 600, class 900, class 1500, and class 2500. Therefore, they are all referring to the same or same idea of pressure-temperature performance of a flange or in the case of other equipment like valves, fittings, etc.

Table of Content

2500# RTJ Flange Price in India

For instance, if two flanges have the same bore size, say around 6 inches, are made of the same material, say grade A105, but have two different pressure ratings, say class 150 and 300, then the flanges are distinct. In this instance, the class 150 flange with the lesser rating will be smaller, lighter, and less resilient than the class 300 flange with the higher rating.

This indicates that a class 150 flange can resist a pressure of only 140 psi at a temperature of 600 degrees Fahrenheit in terms of pressure rating. A class 300 flange, which is larger and more robust than a class 150 flange but has the same bore size, can resist 570 psi of pressure at 600 degrees Fahrenheit. Lastly, a class 2500 rated flange can withstand 34 times greater pressure than a class 150 rated flange for the same size. This indicates that at a temperature of 600 °F, a 2500 lb blind flange may achieve a massive pressure of 4730 psi!

ASME B16.5 Class 2500 Blind Flanges supplier

The maximum pressure that a flange can sustain at progressively higher temperatures is referred to as flange rating or flange class. Here, the maximum pressure value may be expressed in either psi or bars. In comparison to flanges with lower ratings, those with higher ratings or higher classes are stronger. This is due to the fact that flanges with greater ratings can withstand more pressure at higher temperatures. A 2500 lb weld neck flange, for example, will be more durable than a 1500 lb flange. Additionally, the 2500 lb blind flange dimensions can withstand greater pressure at higher temperatures.

Even if they have the same rating, 2500 lb rtj flange dimensions constructed of different materials will exhibit or demonstrate varied pressure-temperature performance. When compared to a flange of the same pressure class diameter made of stainless steel, a 2500 pound flange constructed from carbon alloy will display a different set of properties or qualities. The majority of flanges are typically made of various austenitic stainless steel grades as well as carbon steel in various grades.

To get the right grade for your piping application, learn more about the 2500 LB Flange Dimensions here.

 

Ansi B16.5 Class 2500 Flange Specifications
Specifications Class 2500 Flanges
ASME B16.5 Class 2500 Flange size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
ansi b16.5 Class 2500 Flanges Standards B16.47 Series A & B, ANSI/ASME B16.5, BS4504, B16.48, EN-1092, BS 10, DIN, ANSI Flanges, BS Flanges, ASME Flanges, EN Flanges, DIN Flanges, GOST Flanges.
ansi b16.5 Class 2500 Flange Standard DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
ansi b16.5 Class 2500 Flange Standard JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
ansi b16.5 Class 2500 Flange Standard UNI 6Bar 10Bar 16Bar 25Bar 40Bar
ansi b16.5 Class 2500 Flange Standard EN 6Bar 10Bar 16Bar 25Bar 40Bar
Main Types Threaded / Forged / Plate /Screwed
Flange supporting material Ring Joint, Gasket, Flange Bolts
ansi b16.5 Class 2500 Pipe Flanges Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Most common types of ansi b16.5 Class 2500Flanges
  • Slip-On Ring Flange (SORF), Class 2500
  • Weld Neck Ring Flange (WNRF), Class 2500
  • Threaded Ring Flange, Class 2500
  • Socket Weld Ring Flange (SWRF), Class 2500
  • Blind Ring Flange (BLRF), Class 2500
  • Ring Type Joint Flange (RTJF), Class 2500
  • Lap Joint Ring Flange (LJRF), Class 2500
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Ring Type Joint (RTJ), Raised Face (RF),Large Male-Female (LMF), Flat Face (FF),Small Male-Female (SMF), Lap-Joint Face (LJF), Large Tongue & Groove, Small Tongue, Groove
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Class 2500 Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange
Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean
Specialized manufacturer of
  • DIN 2566 pn16
  • Rtj Flange
  • PN16 Flange
  • DIN 2566 pn10
  • DIN 2566 en 1092 1
  • Class 2500 Blind Flanges
  • Class 2500 Large Diameter Flange
  • Class 2500 Table Flanges
  • Class 2500 Sorf Flange
  • Class 2500 Socketweld Flanges
  • Class 2500 Threaded Flanges
  • Class 2500 Weld Neck Flanges
  • Class 2500 Slip-On Flanges
  • Class 2500 Loose Flanges
  • Class 2500 AS 4087 Water Flanges
  • Class 2500 Lap Joint Flanges
  • Class 2500 Plate Flanges
  • Class 2500 Orifice Flanges
Class 2500 Flanges Standard

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange

  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • AS 2129: Table D; Table E; Table H
  • B.S: BS4504 , BS3293, BS1560, BS10
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • German (DIN)
  • American standard (ANSI)
  • Any other specilised flanges
  • British standard (BS)
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638
Key markets and industries for Class 2500 Flanges
  • Nuclear power (mostly seamless).
  • Heavy oil refineries.
  • Bitumen upgraders.
  • Petrochemicals and acids.
Export to India, Dubai, Ukraine, Thailand, Egypt, Indonesia, Ireland, Canada, USA, Spain, Singapore, Peru, Brazil, Oman, Iran, Korea, Saudi Arabia etc
Class 2500 Flanges Application
  • To Connect Pipe & Tubes in Chemical, Petroleum, Power, Gas, Construction,Shipbuilding, Metallurgy etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

 

Class 2500 Flange Pressure Rating Chart

Rating Of Carbon Steel Flanges

The Table Shows The Maximum Pressure In PSI ASTM A105 / ASTM A350 LF2 / ASTM A350 LF3 / ASTM A350 LF6

Temperature (in F°)
2500#
< 100
6170
200
5655
300
5450
400
5280
500
5025
600
4730
650
4575
700
4425
750
4230
800
3430
850
2655
900
1915
950
1145
1000
715
Hydrostatic Test Pressure (psig)
9275

 

Find here 2500 Lb Blind Flange Dimensions
Check 2500# Flange Dimensions

Class 2500 LB Flange Dimensions In mm

Dimensions of Class 2500 Flange

 

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 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

 

Check 2500 Lb Weld Neck Flange Dimensions
Bolt Chart of Class 2500 Flange

Bolt And Stud Dimensions Chart - ASME B16.5 Flanges

 


2500 LB. Flanges
# Bolts or Studs
Dia of Bolts or Studs
Length of Stud
RTJ
1/4 RF
RTJ
4-1/4
4
0.75
4-3/4
4-3/4
4-1/2
4
0.75
5
5
5
4
0.88
5-1/2
5-1/2
5
4
1.00
6
6
5-1/2
4
1.13
6-3/4
6-3/4
5-3/4
8
1.00
7
7
6-1/4
8
1.13
7-3/4
8
7
8
1.25
8-3/4
9
7-3/4
8
1.50
10
10-1/4
9-3/4
8
1.75
11-3/4
12-1/4
10-1/2
8
2.00
13-1/2
14
12-3/4
12
2.00
15
15-1/2
13-1/2
12
2.50
19-1/4
20
15-1/4
12
2.75
21-1/4
22
16-3/4
-
-
-
-
18-1/2
-
-
-
-
20-3/4
-
-
-
-
22-1/4
-
-
-
-
25-1/2
-
-
-
-

 

Free online 2500 Lb Rtj Flange Dimensions

Rating In Bars
TEMP C°
2500#
  
-29 / 38
425.5
50
417.7
100
388.3
150
375.6
200
365
250
349.5
300
331.8
325
322.6
350
313
375
303.1
400
289.3
425
239.7
450
191.7
475
145.3
500
97.9
538
49.2

 

Rating of Stainless Steel Flanges

Flanges Pressure Rating in Bars ANSI flanges (ASTM A182 F304L / ASTM A182 F316L)

TEMP C°
2500#
-29 TO 38
344.7
50
333.5
100
289.9
150
261.6
200
243
250
228.9
300
217.2
325
212.3
350
208.9
375
206.3
400
202.5
425
198.8
450
195.1

 

flange