Plate flat welding titanium flange is the most common type of flange, they are made of pure titanium or titanium alloy.
Plate welding titanium flange are commonly used part and pipeline to insert the pipe into the inner hole of the flange
to the proper position, and then lap welding.Plate welding titanium flange sealing surface types include flat and raised
panel flat welded flanges. Usually refers to the opening of several fixing holes on the periphery of a disc-like metal
body, which are often used to connect other things. Titanium flanges are used in pairs, and bolts connect the two
flanges.
Titanium flanges have excellent corrosion resistance and high-temperature resistance. Titanium flanges are typically
used in the chemical processing, oil and gas, Marine and aerospace industries.
We offer full-size plate flat welding titanium flange, and also support non-standard customization accordingly to
customer's requirements or drawings. Our titanium flanges are manufactured critically to the exact standard, including
ASME,JIS,DIN,GB,GOST international standards to meet different requirements from the customers worldwide.

|
Standard |
ASME,JIS,DIN,GB,GOST |
|
Material Designation |
TA1,TA2,TA9,TA10,GR1,GR2,GR7,GR12,GR16,N5,N6,N7 etc |
|
Size |
DN10-DN600 |
|
OEM & ODM |
Available |
|
Pressure |
PN2.5,PN6, PN10, PN16,PN25,PN40 |
|
Technics |
Forged |
|
Sealing Surface |
RF,FF |
|
Type |
Plate flat welding flange |
|
Packaging |
Export standard wooden case, or can be customized |
|
Application |
Petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, food and other |


PN 40 (mm)
| Nominal diameter DN |
Outer diameter of steel pipe A₁ |
Connection size | Flange thickness C | Flange inner diameter B₁ |
Bevel width b |
||||||
| Flange outer diameter D |
The diameter of the central circle of the bolt hole K |
Bolt hole diameter L |
The number of bolt holes n(PC) |
Bolt Th |
|||||||
| A | B | A | B | ||||||||
| 10 | 17.2 | 14 | 90 | 60 | 14 | 4 | M12 | 14 | 18 | 15 | 4 |
| 15 | 21.3 | 18 | 95 | 65 | 14 | 4 | M12 | 14 | 22.5 | 19 | 4 |
| 20 | 26.9 | 25 | 105 | 75 | 14 | 4 | M12 | 16 | 27.5 | 26 | 4 |
| 25 | 33.7 | 32 | 115 | 85 | 14 | 4 | M12 | 16 | 34.5 | 33 | 5 |
| 32 | 42.4 | 38 | 140 | 100 | 18 | 4 | M16 | 18 | 43.5 | 39 | 5 |
| 40 | 48.3 | 45 | 150 | 110 | 18 | 4 | M16 | 18 | 49.5 | 46 | 5 |
| 50 | 60.3 | 57 | 165 | 125 | 18 | 4 | M16 | 20 | 61.5 | 59 | 5 |
| 65 | 76.1 | 76 | 185 | 145 | 18 | 8 | M16 | 22 | 77.5 | 78 | 6 |
| 80 | 88.9 | 89 | 200 | 160 | 18 | 8 | M16 | 24 | 90.5 | 91 | 6 |
| 100 | 114.3 | 108 | 235 | 190 | 22 | 8 | M20 | 26 | 116 | 110 | 6 |
| 125 | 139.7 | 133 | 270 | 220 | 26 | 8 | M24 | 28 | 143.5 | 135 | 6 |
| 150 | 168.3 | 159 | 300 | 250 | 26 | 8 | M24 | 30 | 170.5 | 161 | 6 |
| 200 | 219.1 | 219 | 375 | 320 | 30 | 12 | M27 | 36 | 221.5 | 222 | 8 |
| 250 | 273 | 273 | 450 | 385 | 33 | 12 | M30 | 42 | 276.5 | 276 | 10 |
| 300 | 323.9 | 325 | 515 | 450 | 33 | 16 | M30 | 48 | 328 | 328 | 11 |
| 350 | 355.6 | 377 | 580 | 510 | 36 | 16 | M33 | 54 | 360 | 381 | 12 |
| 400 | 406.4 | 426 | 660 | 585 | 39 | 16 | M36×3 | 60 | 411 | 430 | 12 |
| 450 | 457 | 480 | 685 | 610 | 39 | 20 | M36×3 | 66 | 462 | 485 | 12 |
| 500 | 508 | 530 | 755 | 670 | 42 | 20 | M39×3 | 72 | 513.5 | 535 | 12 |
| 600 | 610 | 630 | 890 | 795 | 48 | 20 | M45×3 | 84 | 616.5 | 636 | 12 |

Titanium flanges, with their high strength-to-weight ratio, high-temperature resistance, corrosion resistance,and
excellent fatigue performance,have become core components in six high-end sectors: Aerospace,Petrochemicals,
Marine Engineering, New Energy, Electronics, and Environmental Protection.







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