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Home » Threaded Flanges » ANSI B 16.5 Class 300 lb

ANSI B 16.5 Class 300 lb

We are a prominent manufacturer and exporter of best quality threaded flanges, which are in demand in global marketplace. Precision engineered, these Threaded Steel Flanges and ANSI B 16.5 Class 300 lb can be easily fitted into pipe without welding. Optimization of high grade materials imparts to them utmost level of durability. We offer these Threaded Steel Flanges and ANSI B 16.5 Class 300 lb in bulk quantities and at industry leading prices.

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Amco Metal Threaded Flanges - ANSI B 16 5 Class 300 lb Amco Metal
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Our wide assortment of ANSI B 16.5 Class 300 - Threaded Flanges are manufactured using finest grade of metal alloys. The dimensions of these flanges correspond to the inside diameter of the pipe and has a standard wall thickness. We offer these flanges in the different dimensions and weight as per the clients’ requirements.

Pipe Flange Data Hub Data Raised Face Drilling Data Weight
A B C D E F G H I J
Outside Dia
In Mm		 Overall Dia
In Mm		 Counter Bore
In Mm		 Flange Thickness min
In Mm		 Overall Length
In Mm		 Threaded Length min
In Mm		 Hub Dia
In Mm		 Face Dia
In Mm		 Number of Holes Bolt Hole Dia
In Mm		 Dia of Circle of Holes
In Mm		 Kg/ Piece
½ 0.840 3.750 0.930 0.560 0.880 0.620 1.500 1.380 4 0.620 2.620 0.64
21.30 95.30 23.60 14.20 22.30 15.70 38.10 35.00 15.70 66.55
¾ 1.050 4.620 1.140 0.620 1.000 0.620 1.880 1.690 4 0.750 3.250 1.12
26.70 117.3 29.00 15.70 25.40 15.70 42.70 42.90 19.00 82.50
1 1.315 4.880 1.410 0.690 1.060 0.690 2.120 2.000 4 0.750 3.500 1.36
33.40 124.0 35.80 17.50 26.90 17.50 53.80 50.80 19.00 88.90
1 ¼ 1.660 5.250 1.750 0.750 1.060 0.810 2.500 2.500 4 0.750 3.880 1.68
42.20 133.4 44.40 19.00 26.90 20.6063.50 63.50 19.00 98.50
1 ½ 1.900 6.120 1.990 0.810 1.190 0.880 2.750 2.880 4 0.880 4.500 2.49
48.30 155.4 50.50 20.60 30.20 22.30 69.85 73.15 22.30 114.3
2 2.375 6.500 2.500 0.880 1.310 1.120 3.310 3.620 8 0.750 5.000 2.87
60.30 165.1 63.50 22.30 33.20 28.40 84.00 91.90 19.00 127.0
2 ½ 2.875 7.500 3.000 1.000 1.500 1.250 3.940 4.120 8 0.880 5.880 4.32
73.00 190.5 76.20 25.40 38.10 31.70 100.0 104.6 22.30 149.3
3 3.500 8.250 3.630 1.120 1.690 1.250 4.620 5.000 8 0.880 6.620 5.85
88.90 209.6 92.20 28.40 42.90 31.70 117.3 127.0 22.30 168.1
3 ½ 4.000 9.000 4.130 1.190 1.750 1.440 5.250 5.500 8 0.880 7.250 7.34
101.6 228.6 104.9 30.20 44.40 36.50 133.3 139.7 22.30 184.1
4 4.500 10.00 4.630 1.250 1.880 1.440 5.750 6.190 8 0.880 7.880 9.61
114.3 254.0 117.6 31.70 47.70 36.50 146.0 157.2 22.30 200.1
5 5.563 11.00 5.690 1.380 2.000 1.690 7.000 7.310 8 0.880 9.250 12.3
141.3 279.4 144.5 35.00 50.80 42.90 177.8 185.7 22.30 234.9
6 6.625 12.50 6.750 1.440 2.060 1.810 8.120 8.500 12 0.880 10.62 15.6
168.3 317.5 171.4 36.50 52.30 45.90 206.2 215.9 22.30 269.7
8 8.625 15.00 8.750 1.620 2.440 2.000 10.25 10.62 12 1.000 13.00 24.2
219.1 381.0 222.3 41.10 61.90 50.80 260.3 269.7 25.40 330.2
10 10.75 17.50 10.88 1.880 2.620 2.19012.62 12.75 16 1.120 15.25 34.1
273.0 444.5 276.3 47.70 66.55 55.60 320.5 323.8 28.40 387.3
12 12.75 20.50 12.94 2.000 2.880 2.380 14.75 15.00 16 1.250 17.75 49.8
323.8 520.7 328.7 50.80 73.15 60.45 374.6 381.0 31.70 450.8
14 14.00 23.00 14.19 2.120 3.000 2.500 16.75 16.25 20 1.250 20.25 69.9
355.6 584.2 360.4 53.80 76.20 63.50 425.4 412.7 31.70 514.3
16 16.00 25.50 16.19 2.250 3.250 2.690 19.00 18.50 20 1.380 22.50 88.1
406.4 647.7 411.2 57.15 82.50 68.30 482.6 469.9 35.00 571.5
18 18.00 28.00 18.19 2.380 3.500 2.750 21.00 21.00 24 1.380 24.75 109
457.2 711.2 462.0 60.45 88.90 69.85 533.4 533.4 35.00 628.6
20 20.00 30.50 20.19 2.500 3.750 2.880 23.12 23.00 24 1.380 27.00 134
508.0 774.7 512.8 63.50 95.2 73.15 587.2 584.2 35.00 685.8
24 24.00 36.00 24.19 2.750 4.190 3.250 27.62 27.25 24 1.620 32.00 201
609.6 914.4 614.4 69.85 106.4 82.50 701.5 692.1 41.10 812.8
Notes
  • The thread conforms to ASME B1. 20.1 NTP threads.(The only exceptions are small male and female plain face threaded flanges which use NPSL locknut threads)
  • Class 300 and higher threaded flanges are counter-bored. Threads are chamfered to the counterbore at an angle of 450 (approx)
  • Weights are based on manufacturer's data and are approximate


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Threaded Flanges

ANSI B 16.5 Class 150ANSI B 16.5 Class 300 lbANSI B 16.5 Class 600 lb
ANSI B 16.5 Class 900 lb
 Threaded Flanges - ANSI B 16 5 Class 300 lb

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