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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
Brand Name : VOTECH
Model Number : NPS 1/2-NPS 24
Certification : ASME,ANSI
Place of Origin : Shaanxi,China
Payment Terms : T/T,D/P,D/A,L/C,etc.
Supply Ability : 100ton/Month
Delivery Time : 7-15 Days
Packaging Details : Export Standard Wooden Case, or Can Be Customized
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.
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Customized Forged Weld Neck Titanium Flange Professional Manufacturer Images |