ANSI B16.5 150LB Weld Neck Flanges
ANSI B16.5 150LB Weld Neck Flanges
ANSI B16.5 150LB Weld Neck Flanges

ANSI B16.5 150LB Weld Neck Flanges

Model NO.
LT-F04
Delivery:
FOB
Minimum order quantity:
5 pieces
Supply Ability:
36500 pieces / Day
Stock Time:
45 Days
Quantity:

What is Butt Welding Flange?

Butt Welding flange is also called high neck flange. It differs from flat welding flange in that there is a long and inclined high neck from the flange welding side to the flange. The wall thickness of this high neck along with the height and the direction gradually transitions to the thickness of the pipe wall, which improves the discontinuity of stress and thus increases the flange strength.

Butt-welded flanges are mainly used in places with severe working conditions, such as where the pipe undergoes thermal expansion or other loads that cause the flange to undergo greater stress or repeated stress changes; pipes with large fluctuations in pressure and temperature or high temperature, high pressure, and Sub-zero temperature pipes.

ANSI B16.5 150LB Weld Neck Flanges

SizePipe OD AODBolt CircleBolt HoleSealing FaceThicknessIDHT
InchDNBCBRRFT1
1/2"1521.39060.516x4351.69.915.53048
3/4"2026.91007016x4431.611.4213852
1"2533.711079.516x4511.612.9274956
11/4"3242.41158916x463.51.614.4355957
11/2"4048.312598.516x4731.615.9416562
2"5060.3150120.518x4921.617.9527864
21/2"6576.1180139.518x41051.620.9669070
3"8088.9190152.518x41271.622.477.510870
4"100114.3230190.518x8157.51.622.4101.513576
5"125139.725521622x81861.622.412716489
6"150168.3280241.522x82161.623.915419289
8"200219.1345298.522x82701.627.4203246102
10"25027340536226x123241.628.9255305102
12"300323.948543226x123811.630.4303.5365114
14"350355.653547629.5x124131.633.4333.5400127
16"400406.459554029.5x164701.635.4381457127
18"45045763557832.5x16533.51.638.4428.5505140
20"50050870063532.5x205841.641.4476559145
22"55055975069235.5x206411.644.4525610149
24"600610815749.535.5x206921.646.4575664152
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