Class 2500 Flange Dimensions

Class 2500 Flange Dimensions

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Specification Of Class 2500 Flanges :

Size: 1/2" (DN15) ~ 60" (DN2500)

Pressure: Class 2500

Type: Weld Neck, Threaded, Slip-On, Socket Weld, Lap Joint, Blind, Orifice Flange, Orifice Plate and Restriction Orifice Plate, Spectacle Blind, Spacer, Blanks

Face Type: Flat Face (FF), Raise Face (RF), Ring Joint (RJT)

Coating: Anti-Rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Dimension:  ANSI/ASME B16.5, ANSI/ASME B16.47 Series A (MSS SP-44), ANSI/ASME B16.47 Series B (API 605),
ANSI/ASME B16.36, ANSI/ASME B16.48 (API 590)


Class 2500 LB Flange Dimensions In mm


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 - - - -

 


Class 2500 Flange Pressure Rating

Rating Of Carbon Steel Flanges

Rating In “PSI”

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

 


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

 

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