Customized Forged Weld Neck Titanium Flange Professional Manufacturer
Titanium weld neck flanges excel in systems used in chemical, offshore, aerospace, and high-purity media transport applications. Precision-forged from high-quality titanium, their high corrosion resistance ensures long-term structural integrity and sealing reliability in harsh environments, significantly reducing maintenance costs and extending equipment life.
Titanium flanges with weld neck are available in all standard sizes to meet your needs. Our robust customization capabilities allow us to produce flanges to meet specific pressure ratings, connection standards, or special dimensions. Whether standard or custom, we are committed to providing high-quality titanium flange solutions that meet precise requirements.
Weld neck titanium flanges are pipe fittings with a round tube transition structure. They are welded to the pipe and primarily used in high-pressure, high-temperature, or media-sensitive piping systems. The flared transition neck structure distances the weld from the sealing surface, reducing weld distortion and improving sealing performance. This design significantly enhances system sealing and long-term stability under demanding conditions.
| Standard | ASME, ANSI |
|---|---|
| Material Designation | TA1, TA2, TA9, TA10, GR1, GR2, GR7, GR12, GR16, N5, N6, N7 etc |
| Size | NPS 1/2-NPS 24 |
| OEM&ODM | Available |
| Pressure | Class150, Class300, Class600, Class900, Class1500, Class2500 |
| Technics | Forged |
| Sealing surface | RF, MFM, TG, FF, RJ |
| Type | Weld Neck Flange |
| Packaging | Export standard wooden case, or can be customized |
| Application | Petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, stamping elbow, food and other industries |

|
Nominal Dimension |
Outside diameter |
Connection size |
Flange thickness |
Flange neck big end |
Flange inner diameter |
Flange height |
|||||
|
DN |
NPS |
Flange outer diameter |
Diameter of center circle of bolt hole |
Bolt hole |
Bolt |
Number of bolt holes |
|||||
|
15 |
1/2 |
21.3 |
90 |
60.3 |
16 |
M14 |
4 |
9.6 |
30 |
15.5 |
46 |
|
20 |
3/4 |
26.9 |
100 |
69.9 |
16 |
M14 |
4 |
11.2 |
38 |
21 |
51 |
|
25 |
1 |
33.7 |
110 |
79.4 |
16 |
M14 |
4 |
12.7 |
49 |
27 |
54 |
|
32 |
1-1/4 |
42.4 |
115 |
88.9 |
16 |
M14 |
4 |
14.3 |
59 |
35 |
56 |
|
40 |
1-1/2 |
48.3 |
125 |
98.4 |
16 |
M14 |
4 |
15.9 |
65 |
41 |
60 |
|
50 |
2 |
60.3 |
150 |
120.7 |
18 |
M16 |
4 |
17.5 |
78 |
52 |
62 |
|
65 |
2-1/2 |
76.1 |
180 |
139.7 |
18 |
M16 |
4 |
20.7 |
90 |
66 |
68 |
|
80 |
3 |
88.9 |
190 |
152.4 |
18 |
M16 |
4 |
22.3 |
108 |
77.5 |
68 |
|
100 |
4 |
114.3 |
230 |
190.5 |
18 |
M16 |
8 |
22.3 |
135 |
101.5 |
75 |
|
125 |
5 |
139.7 |
255 |
215.9 |
22 |
M20 |
8 |
22.3 |
164 |
127 |
87 |
|
150 |
6 |
168.3 |
280 |
241.3 |
22 |
M20 |
8 |
23.9 |
192 |
154 |
87 |
|
200 |
8 |
219.1 |
345 |
298.5 |
22 |
M20 |
8 |
27.0 |
246 |
203 |
100 |
|
250 |
10 |
273 |
405 |
362.0 |
26 |
M24 |
12 |
28.6 |
305 |
255 |
100 |
|
300 |
12 |
323.9 |
485 |
431.8 |
26 |
M24 |
12 |
30.2 |
365 |
303.5 |
113 |
|
350 |
14 |
355.6 |
535 |
476.3 |
30 |
M27 |
12 |
33.4 |
400 |
— |
125 |
|
400 |
16 |
406.4 |
595 |
539.8 |
30 |
M27 |
16 |
35.0 |
457 |
— |
125 |
|
450 |
18 |
457 |
635 |
577.9 |
33 |
M30 |
16 |
38.1 |
505 |
— |
138 |
|
500 |
20 |
508 |
700 |
635.0 |
33 |
M30 |
20 |
41.3 |
559 |
— |
143 |
|
600 |
24 |
610 |
815 |
749.3 |
36 |
M33 |
20 |
46.1 |
663 |
— |
151 |
Titanium weld neck flanges have extremely strong resistance to corrosive media such as seawater and chloride ions. Their corrosion resistance far exceeds that of stainless steel and carbon steel, making them especially suitable for harsh environments such as marine and chemical industries.
No need. Titanium weld neck flanges can be used for a long time without coating or cathodic protection, avoiding the risk of rust and significantly reducing maintenance requirements.
- Strict Quality: We have rigorous quality control measures with ASME, JIS, DIN, GB, GOST standards, ensuring that every titanium product meets industry and customer requirements.
- Modern Production Facilities: We have the most advanced factory and multiple titanium metal production lines, enabling us to handle bulk orders and customized projects.
- Logistics and Packaging: Every order is carefully packed in wood cabins or trays to prevent damage during transit, offering maximum protection and safety.
- Experienced Team: With years of professional knowledge in titanium metal manufacturing, we understand the nuances of producing high-quality products to meet various industry needs.
- Comprehensive Service: We offer customized solutions, fast lead times, and dedicated support throughout the purchasing process.
- Customer-Centric Services: We provide flexible payment options, comprehensive technical support, and dedicated customer service for a seamless purchasing experience.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.