Carbon Steel Flanges Flat welding flange
Description
Flat welding flange has many uses. Flange is a device connecting pipes. There are many specifications in the flange market, and the flange is divided into integral flange, looper flange and threaded flange. They are used in different places. Generally also referred to as flat plate, also known as lap welding flange. The connection between flange and pipe is to insert the pipe into the flange hole to a proper position, and then lap weld.
Technical data sheet
Carbon Steel Flanges Flat welding flange technical data sheet as below:
| inch | Nominal diameter | 10kg=l. 0MPa |
| outer diameter | Bolt hole distance | Bolt diameter | Bolt hole number | Flange thickness |
| 3/8 | DN10 | 50 | 60 | 14 | 4 | 14 |
| 1/2 | DN15 | 59 | 65 | 14 | 4 | 14 |
| 3/4 | DN20 | 105 | 75 | 14 | 4 | 16 |
| 1 | DN25 | 115 | 85 | 14 | 4 | 16 |
| 1¼ | DN32 | 140 | 100 | 18 | 4 | 18 |
| 1½ | DN40 | 150 | 110 | 18 | 4 | 18 |
| 2 | DN50 | 165 | 125 | 18 | 4 | 20 |
| 2½ | DN65 | 185 | 145 | 18 | 4 | 20 |
| 3 | DN80 | 200 | 160 | 18 | 8 | 20 |
| 3½ | DN100 | 220 | 180 | 18 | 8 | 22 |
| 4 | DN125 | 250 | 210 | 18 | 8 | 22 |
Specification
Standard:GB / ANSI /JIS / DIN
Size:1/8' ~ 6'
Application:oil,gas and so on
Characteristic
Flat welding flange is suitable for the pipeline system with low pressure level and no serious pressure fluctuation, vibration and vibration. The advantages of flat welding flange welding assembly is easy to center, and the price is cheaper, so it has been widely used.
Flat welding flange has sealing principle. The two sealing surfaces of the bolt squeeze the flange gasket and form a seal, but it also leads to the damage of the seal. In order to maintain the seal, it is necessary to maintain a large bolt force, for which the bolt must be made larger. Larger bolts need to match larger nuts, which means larger diameter bolts are needed to create conditions for tightening nuts.
Package
a. Plastic bubble bag package b.Wove bag package c.Pallet d. Customized.
Delivery time
Our Steel flat factory have high ability for production, the delivery time is 30 days for small quantity, or if you are hurry for that, we can arrange and meet your shipping date.
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20mm Thickness DN65 Flat Welding Carbon Steel Flanges Images
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