Grade 1—UNS R50250. Unalloyed titanium
Grade 2—UNS R50400. Unalloyed titanium
Grade 7—UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium
Grade 12—UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel
2. Specification of Titanium Weld Neck Flange
Specification for Class 150 Titanium Weld Neck Flange
| Class 150 Titanium Weld Neck Flange |
Nom. Pipe
Size | Flange Dia. | Flange Thick | Hub Dia. At Base | Raised Face Dia. | Hub Dia. at Weld Point | No.
of
Holes | Dia.
of
Bolts | Dia. Of
Bolt Circle | Bore
Dia. | Length
Thru Hub |
| 1/2 | 3-1/2 | 7/16 | 1-3/16 | 1-3/8 | 0.84 | 4 | 1/2 | 2-3/8 | 0.62 | 1-7/8 |
| 3/4 | 3-7/8 | 1/2 | 1-1/2 | 1-11/16 | 1.05 | 4 | 1/2 | 2-3/4 | 0.82 | 2-1/16 |
| 1 | 4-1/4 | 9/16 | 1-15/16 | 2 | 1.32 | 4 | 1/2 | 3-1/8 | 1.05 | 2-3/16 |
| 1-1/4 | 4-5/8 | 5/8 | 2-5/16 | 2-1/2 | 1.66 | 4 | 1/2 | 3-1/2 | 1.38 | 2-1/4 |
| 1-1/2 | 5 | 11/16 | 2-9/16 | 2-7/8 | 1.90 | 4 | 1/2 | 3-7/8 | 1.61 | 2-7/16 |
| 2 | 6 | 3/4 | 3-1/16 | 3-5/8 | 2.38 | 4 | 5/8 | 4-3/4 | 2.07 | 2-1/2 |
| 2-1/2 | 7 | 7/8 | 3-9/16 | 4-1/8 | 2.88 | 4 | 5/8 | 5-1/2 | 2.47 | 2-3/4 |
| 3 | 7-1/2 | 15/16 | 4-1/4 | 5 | 3.50 | 4 | 5/8 | 6 | 3.07 | 2-3/4 |
| 3-1/2 | 8-1/2 | 15/16 | 4-13/16 | 5-1/2 | 4.00 | 8 | 5/8 | 7 | 3.55 | 2-13/16 |
| 4 | 9 | 15/16 | 5-5/16 | 6-3/16 | 4.50 | 8 | 5/8 | 7-1/2 | 4.03 | 3 |
| 5 | 10 | 15/16 | 6-7/16 | 7-5/16 | 5.56 | 8 | 3/4 | 8-1/2 | 5.05 | 3-1/2 |
| 6 | 11 | 1 | 7-9/16 | 8-1/2 | 6.63 | 8 | 3/4 | 9-1/2 | 6.07 | 3-1/2 |
| 8 | 13-1/2 | 1-1/8 | 9-11/16 | 10-5/8 | 8.63 | 8 | 3/4 | 11-3/4 | 7.98 | 4 |
| 10 | 16 | 1-3/16 | 12 | 12-3/4 | 10.75 | 12 | 7/8 | 14-1/4 | 10.02 | 4 |
| 12 | 19 | 1-1/4 | 14-3/8 | 15 | 12.75 | 12 | 7/8 | 17 | 12.00 | 4-1/2 |
| 14 | 21 | 1-3/8 | 15-3/4 | 16-1/4 | 14.00 | 12 | 1 | 18-3/4 | 13.25 | 5 |
| 16 | 23-1/2 | 1-7/16 | 18 | 18-1/2 | 16.00 | 16 | 1 | 21-1/4 | 15.25 | 5 |
| 18 | 25 | 1-9/16 | 19-7/8 | 21 | 18.00 | 16 | 1-1/8 | 22-3/4 | 17.25 | 5-1/2 |
| 20 | 27-1/2 | 1-11/16 | 22 | 23 | 20.00 | 20 | 1-1/8 | 25 | 19.25 | 5-11/16 |
| 24 | 32 | 1-7/8 | 26-1/8 | 27-1/4 | 24.00 | 20 | 1-1/4 | 29-1/2 | 23.25 | 6 |
Specification for class 300 Titanium Weld Neck Flange
| Class 300 Titanium Weld Neck Flange |
Nom. Pipe
Size | Flange Dia. | Flange Thick. | Hub Dia. At Base | Raised Face Dia. | Hub Dia. At Weld Point | No.
of
Holes | Dia.
Of
Bolts | Dia. Of
Bolt Circle | Bore
Dia. | Length
Thru Hub |
| 1/2 | 3-3/4 | 9/16 | 1-1/2 | 1-3/8 | 0.84 | 4 | 2-5/8 | 1/2 | 0.62 | 2-1/16 |
| 3/4 | 4-5/8 | 5/8 | 1-7/8 | 1-11/16 | 1.05 | 4 | 3-1/4 | 5/8 | 0.82 | 2-1/4 |
| 1 | 4-7/8 | 11/16 | 2-1/8 | 2 | 1.32 | 4 | 3-1/2 | 5/8 | 1.05 | 2-7/16 |
| 1-1/4 | 5-1/4 | 3/4 | 2-1/2 | 2-1/2 | 1.66 | 4 | 3-7/8 | 5/8 | 1.38 | 2-9/16 |
| 1-1/2 | 6-1/8 | 13/16 | 2-3/4 | 2-7/8 | 1.90 | 4 | 4-1/2 | 3/4 | 1.61 | 2-11/16 |
| 2 | 6-1/2 | 7/8 | 3-5/16 | 3-5/8 | 2.38 | 8 | 5 | 5/8 | 2.07 | 2-3/4 |
| 2-1/2 | 7-1/2 | 1 | 3-15/16 | 4-1/8 | 2.88 | 8 | 5-7/8 | 3/4 | 2.47 | 3 |
| 3 | 8-1/4 | 1-1/8 | 4-5/8 | 5 | 3.50 | 8 | 6-5/8 | 3/4 | 3.07 | 3-1/8 |
3. Our Company
- As a leading manufacturer & trader of titanium weld neck flange for over 16 years, Baoji Lihua has various moulds for flanges, so we can produce titanium weld neck flange in all standards, including EN1092-1, ASME B16.5, DIN and BS etc.
- We have exported our titanium weld neck flange to many countries, including Italy, Russia, Turkey and Chile etc. The quality of our products is widely recognized.
- Customized products are always welcomed.
- We know the market very well so our price will make you more competitive.
- We have a professional technical team. Our company offers a complete service to you from A to Z, with our dedicated team.
4. Detailed Images of Titanium Weld Neck Flange
(1) Raw Material
(2) Equipments
(3) Connection
4. Package of Titanium Weld Neck Flange
Titanium weld neck flanges are used in various industries including petrochemical, oil and gas, power generation, bulk liquid transportation, chemicals, pharmaceuticals, pulp and paper manufacturing, textiles and others. Titanium weld neck flanges are packed to ensure that there is no damage during shipment. In case of export, standard export packaging is done in plywood box. Markings can be made as you require.
5. All Tests of Titanium Weld Neck Flange
Visual testing (VT)
Ultrasonic Testing (UT)
Radiographic Testing (RT)
Magnetic particle testing (MT)
Penetrant Testing/Dye penetrate (PT)
Eddy Current testing (ET)
Acoustic Emission(AE)
