Ansi B16 5 Class 900 Flange Dimensions

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View 900 Lb Rtj Flange Dimensions, Ansi 900 Lb Flange Dimensions

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.

Table of Content

An additional factor that determine 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 to 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

is the temperature of the pressure-containing shell of the section. Generally, this temperature used is the same to that of the contained fluid. Using a pressure rating that corresponds to a temperature other than that of the contained fluid in the 900 pound flange dimensions is the responsibility of the buyer. This again is a subject to the requirements of all the applicable codes and regulations. For example, for those environments, in which the temperature can drop below -29°C, the rating must not be greater than the rating shown for a temperature of -29°C

.

Pressure Rating of Class 900 Flange

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°)
900#
< 100
2220
200
2035
300
1965
400
1900
500
1810
600
1705
650
1650
700
1590
750
1520
800
1235
850
955
900
690
950
410
1000
255
Hydrostatic Test Pressure (psig)
3350

 

Specifications of Class 900 Flange
Specifications Class 900 Flanges
ASME B16.5 Class 900 Flange size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
ansi b16.5 Class 900 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 900 Flange Standard DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
ansi b16.5 Class 900 Flange Standard JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
ansi b16.5 Class 900 Flange Standard UNI 6Bar 10Bar 16Bar 25Bar 40Bar
ansi b16.5 Class 900 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 900 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 900Flanges
  • Slip-On Ring Flange (SORF), Class 900
  • Weld Neck Ring Flange (WNRF), Class 900
  • Threaded Ring Flange, Class 900
  • Socket Weld Ring Flange (SWRF), Class 900
  • Blind Ring Flange (BLRF), Class 900
  • Ring Type Joint Flange (RTJF), Class 900
  • Lap Joint Ring Flange (LJRF), Class 900
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 900 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 900 Blind Flanges
  • Class 900 Large Diameter Flange
  • Class 900 Table Flanges
  • Class 900 Sorf Flange
  • Class 900 Socketweld Flanges
  • Class 900 Threaded Flanges
  • Class 900 Weld Neck Flanges
  • Class 900 Slip-On Flanges
  • Class 900 Loose Flanges
  • Class 900 AS 4087 Water Flanges
  • Class 900 Lap Joint Flanges
  • Class 900 Plate Flanges
  • Class 900 Orifice Flanges
Class 900 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 900 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 900 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

 

Dimensions of Class 900 Flange

Class 900 LB Flange Dimensions In mm

Dimensions of Class 900 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 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

 

Bolt Chart of Class 900 Flange

Bolt And Stud Dimensions Chart - ASME B16.5 Flanges


900 LB. Flanges
Nominal Pipe Size
# Bolts or Studs
Dia of Bolts or Studs
Length of Stud
1/4 RF
1/2
4
0.75
4-1/4
3/4
4
0.75
4-1/2
1
4
0.88
5
1-1/4
4
0.88
5
1-1/2
4
1.00
5-1/2
2
8
0.88
5-3/4
2-1/2
8
1.00
6-1/4
3
8
0.88
5-3/4
4
8
1.13
6-3/4
5
8
1.25
7-1/2
6
12
1.13
7-1/2
8
12
1.38
8-3/4
10
16
1.38
9-1/4
12
20
1.38
10
14
20
1.50
10-3/4
16
20
1.63
11-1/4
18
20
1.88
12-3/4
20
20
2.00
13-3/4
24
20
2.50
17-1/4

 

Rating In Bars
TEMP C°
900#
-29 / 38
153.2
50
150.4
100
139.8
150
135.2
200
131.4
250
125.8
300
119.5
325
116.1
350
112.7
375
109.1
400
104.2
425
86.3
450
69
475
52.3
500
35.3
538
17.7

 

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Rating of Stainless Steel Flanges

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

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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