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Class 300 Flange manufacturer in India

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Check ANSI cl 300 flange dimensions in mm according to ASME B16.5

Class 300 flange manufacturer in India

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Class 300 FLange

Supplier of Class 300 Reducing Flange and SS Weld Neck Pipe, View 300 LB Weld Neck Flange with Visual, dimensiona, thickness control & MTR

Class 300 Slip On Flange Specification
Connect Type/ Flanges Face Type Flat Face, Ring Type Joint, Raised Face, Lap-Joint Face, Small Male-Female, Large Male-Female, Large Tongue & Groove, Small Tongue, Groove
Pressure Calculation in DIN 6Bar 10Bar 25Bar 40Bar / PN10 PN6 PN64 PN16 PN40, PN25 300 lb flange
Size Chart 1/2" (15 NB) upto 48" (1200NB) DN10~DN5000
Types Forged / Plate / Screwed / Threaded
JIS 10 K, 63 K, 5K, 40 K, 30K, 20 K, 16K Class 300 threaded flange
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Hot and Cold Dip Galvanized
UNI 10Bar 6Bar 16Bar 40Bar 25Bar Class 300 raised face flange
ANSI Class 300 Blind Flange Price
Products Pipe Size Flange Outside Diameter Number of Bolt Holes Price
FLANGES CARBON STEEL GR :SA350 LF2 FLG SW 300# RF LOTEMP STLA350 LF2 CL1XS BR SOCKETWELD RATING-ASME CLASS(3PCS) 1/2 in 3-3/4 in 4 $78.82
Non Alloy Steel Rough Castings - BODY NPS 10 CLASS 300(FLANGES) 1 in 4-7/8 in 4 $81.20
NON ALLOY STEEL CASTINGS-VALVE BODY WITH FLANGES DN25 CLASS 300 MAT:1.0619+N/SA216 2-1/2 in 7-1/2 in 8 $233.54
STAINLESS STEEL CASTINGS MACHINEDVALUE PARTS ( MATERIAL : 14408/CF8M NPS4 CLASS 300 FLANGES REDUCER 4 in 10 in 8 $350.15
FLANGES CARBON STEEL GR A105 SW300W RF STL XS BORE ,FLANGES TYPE SOCKETWELD RATING-ASME CLASS 300 FACING-RAISED (20 PCS) 6 in 14 in 12 $1,900.00

Check Tolerance of Class 300 Companion Flange and Stockist and Distributor of ANSI Class 300 Blind Flange

Class 300 Flange Types
ANSI B16.5 Class 300 Welding Neck Flange

ANSI B16.5 Class 300 Welding Neck Flange

ANSI B16.5 Class 300 Slip On Flange

ANSI B16.5 Class 300 Slip On Flange

ANSI B16.5 Class 300 Socket Welding Neck Flange

ANSI B16.5 Class 300 Socket Welding Neck Flange

ANSI B16.5 Class 300 Lap Joint Flange

ANSI B16.5 Class 300 Lap Joint Flange

ANSI B16.5 Class 300 Threaded Flange

ANSI B16.5 Class 300 Threaded Flange

ANSI B16.5 Class 300 Blind Flange

ANSI B16.5 Class 300 Blind Flange

AWWA Class 300 Flange Bolt Chart
300 LB. Flanges  
# Bolts or Studs Length of Stud Dia of Bolts or Studs
1/16 RF
4 2-1/2 0.50
4 3 0.63
4 3 0.63
4 3-1/4 0.63
4 3-1/2 0.75
8 3-1/2 0.63
8 4 0.75
8 4-1/4 0.75
8 4-1/4 0.75
8 4-1/2 0.75
8 4-3/4 0.75
12 4-3/4 0.75
12 5-1/2 0.88
16 6-1/4 1.00
16 6-3/4 1.13
20 7 1.13
20 7-1/2 1.25
24 7-3/4 1.25
24 8 1.25
24 9 1.50
Class 300 Flange Material Pressure Rating
Temperature (in F°) 300#
600 570
100 740
650 550
200 680
750 505
300 655
800 410
400 635
700 530
500 605
950 135
850 320
1000 85
900 230
Hydrostatic Test Pressure (psig) 1125
300 LB Weld Neck Flange Weight Chart
Weight Of Class 300 Flange
Manufacturer of Class 300 Raised Face Flange from bar blanks, Check Dimensions and Price List of 300 LB Slip On Flange
Class 300 Raised Face Flange Dimensions
ASME B16.5 300# Flange Dimensions

Normal
pipe
size		 Minimum
thickness
of flange		 Outside
dia. of
flange		 Overall Length O.D. of
raised
face		 Bolt
Circle		 No. and
Size of
Holes
Welding
neck		 Slip-on
& socket
welding		 Lap Joint
Q O Y R Diam. dia. No.
1/2 14.3 95 52.4 22.2 22.2 35 666.5 15 4
3/4 15.9 117 57.2 25.4 25.4 43 82.4 19 4
1 17.5 124 61.9 27.0 27.0 51 89.0 19 4
1-1/4 19.1 133 65.1 27.0 27.0 64 98.5 19 4
1-1/2 20.7 156 68.3 30.2 30.2 73 114.5 22 4
2 22.3 165 69.8 33.3 33.3 92 127.0 19 8
2-1/2 25.4 190 76.2 38.1 38.1 105 149.0 22 8
3 28.6 210 79.4 42.9 42.9 127 168.0 22 8
4 318 254 85.7 47.6 47.6 157 200.0 22 8
5 35.0 279 98.4 50.8 50.8 186 235.0 22 8
6 36.6 313 98.4 52.4 52.4 216 270.0 22 12
6 413 381 111.1 61.9 91.9 270 330.0 25 12
10 47.7 444 117.5 66.7 95.3 324 387.5 29 16
12 50.8 521 130.2 73.0 101.6 381 451.0 32 16
14 54.0 584 142.9 76.2 111.1 413 514.5 32 20
16 57.2 648 146.0 82.6 120.7 470 571.5 35 20
18 60.4 711 158.8 88.9 130.2 533 628.5 35 24
20 63.5 775 161.9 95.2 139.7 584 686.0 35 24
24 69.9 914 168.3 106.4 152.4 692 843.0 41 24
300 LB Class Flange Sizes
Nominal Size Min. Thickness
(T)		 RF Dia.
(R)		 Outside Diameter
(OD)		 Bolt Circle
(BC)		 No. of Bolt Holes Diameter of Holes WN Bore ID
(WB)		 SO Bore ID
(SB)		 Dia. Hub Base
(HB)		 SO LTH
(SL)		 Dia. Hub Top
(HT)		 WN LTH
(WL)
1⁄2 0.50 1.38 3.75 2.62 4 0.63 0.62 0.88 1.50 0.81 0.84 2.00
3⁄4 0.56 1.69 4.62 3.25 4 0.75 0.82 1.09 1.88 0.94 1.05 2.19
1 0.62 2.00 4.88 3.50 4 0.75 1.05 1.36 2.12 1.00 1.32 2.38
11⁄4 0.69 2.50 5.25 3.88 4 0.75 1.38 1.70 2.50 1.00 1.66 2.50
11⁄2 0.75 2.88 6.12 4.50 4 0.88 1.61 1.95 2.75 1.13 1.90 2.63
2 0.81 3.62 6.50 5.00 8 0.75 2.07 2.44 3.31 1.25 2.38 2.69
21⁄2 0.94 4.12 7.50 5.88 8 0.88 2.47 2.94 3.94 1.44 2.88 2.94
3 1.06 5.00 8.25 6.62 8 0.88 3.07 3.57 4.62 1.63 3.50 3.06
31⁄2 1.12 5.50 9.00 7.25 8 0.88 3.55 4.07 5.25 1.69 4.00 3.13
4 1.19 6.19 10.00 7.88 8 0.88 4.03 4.57 5.75 1.82 4.50 3.32
5 1.31 7.31 11.00 9.25 8 0.88 5.05 5.66 7.00 1.94 5.56 3.82
6 1.38 8.50 12.50 10.62 12 0.88 6.07 6.72 8.12 2.00 6.63 3.82
8 1.56 10.62 15.00 13.00 12 1.00 7.98 8.72 10.25 2.38 8.63 4.32
10 1.81 12.75 17.50 15.25 16 1.12 10.02 10.88 12.62 2.56 10.75 4.56
12 1.94 15.00 20.50 17.75 16 1.25 12.00 12.88 14.75 2.82 12.75 5.06
14 2.06 16.25 23.00 20.25 20 1.25 13.25 14.14 16.75 2.94 14.00 5.56
16 2.19 18.50 25.50 22.50 20 1.38 15.25 16.16 19.00 3.19 16.00 5.69
18 2.31 21.00 28.00 24.75 24 1.38 17.25 18.18 21.00 3.44 18.00 6.19
20 2.44 23.12 30.50 27.00 24 1.38 19.25 20.20 23.12 3.69 20.00 6.32
22 2.57 25.25 33.00 29.25 24 1.63 21.25 22.22 25.25 3.93 22.00 6.43
24 2.69 27.62 36.00 32.00 24 1.63 23.25 24.25 27.62 4.13 24.00 6.56
Buy Socket Weld Flange Class 300 Directly From Largest Supplier In Mumbai, Check Weight Chart Of 300 LB Blind Flange
ANSI B16.5 Class 300 Flange Face
  • Flat Face
  • Raised Face
  • Male Face
  • Ring Joint Face
  • Tongue Face
  • Groove Face
  • Female Face
ANSI B16.5 Class 150 Flange Face

ANSI B16.5 FLANGES PRESSURE RATING
  • ANSI B16.5 Class 300
 ANSI B16.5 FLANGES SIZE
  • 1/2 inch to 24 inch
  • DN15 - DN2000
  • Tolerance
ANSI B16.5 MATERIAL
  • ASTM A350
  • ASTM A105
  • ASTM A182
  • ASTM A181
 ANSI B16.5 FLANGES APP. WEIGHT AND STUN AND BOLT DIMENSION
  • Bolt and Stun Dimension - ANSI B16.5 Class 300 Flanges
  • Surface treatment - ANSI B16.5 Class 300 Flanges
  • APP. Weight - ANSI B16.5 Class 300 Flanges

Dimensions of Class 300 RF Flanges - ASME B16.5
Dimensions of Class 300 RF Flanges - ASME B16.5

Nom Size
Inches		 B O D C Y2 Y BCD Y1 No. of
Bolt holes
1/2 22 89 10 11 48 16 61 16 4
3/4 28 98 11 13 52 16 70 16 4
1 35 108 13 14 56 18 79 18 4
1 1/4 43 118 14 16 57 21 89 21 4
1 1/2 50 127 16 18 62 22 99 22 4
2 62 152 18 19 64 25 121 25 4
2 1/2 75 178 19 22 70 29 140 29 4
3 91 191 21 24 70 30 152 30 4
3 1/2 103 216   24 71 32 178 32 8
4 116 229   24 76 33 191 33 8
5 144 254   24 89 37 216 37 8
6 171 279   25 89 40 241 40 8
8 222 343   28 102 45 298 45 8
10 276 406   30 102 49 362 49 12
12 327 483   32 114 56 432 56 12
14 359 533   35 127 79 476 57 12
16 411 597   37 127 87 540 64 16
18 462 635   40 140 97 578 68 16
20 513 699   43 145 103 635 73 20
24 616 813   48 152 111 749 83 20

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