Titanium Weld Neck Flange Pipe Connections for Chemical Ocean Engineering
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.
Weld neck titanium flanges are pipe fittings with a round tube transition structure. They are welded to the pipe and are 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 high-pressure, high-temperature, or cyclic loading conditions, making them an ideal choice for demanding applications.
Titanium flanges with weld neck are available in all standard sizes to meet your needs. Furthermore, our robust customization capabilities allow us to produce flanges to meet your specific pressure ratings, connection standards, or special dimensions. Whether standard or custom, we are committed to providing high-quality titanium flange solutions that meet your precise needs, making us your reliable partner.
Technical Specifications
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
Class150 (mm) Dimensions
|
Nominal Dimension
|
Outside diameter
A
|
Connection size
|
Flange thickness
C
|
Flange neck big end
N
|
Flange inner diameter
B
|
Flange height
H
|
|
DN
|
NPS
|
Flange outer diameter
D
|
Diameter of center circle of bolt hole
K
|
Bolt hole
diameter
L
|
Bolt
Th
|
Number of bolt holes
n(pc)
|
|
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
|
Frequently Asked Questions
1. What are the outstanding performances of titanium weld neck flange in terms of corrosion resistance?
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, and they are especially suitable for harsh environments such as marine and chemical industries.
2. Do titanium weld neck flanges need additional anti-rust measures?
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.
Our Advantages
Strict Quality: We have rigorous quality control measures with ASME, JIS, DIN, GB, GOST, ensuring that every titanium product we produce 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 the needs of various industries.
Comprehensive Service: We offer customized solutions, fast lead times, and dedicated support throughout the purchasing process.
Customer-Centric Services: We offer flexible payment options, comprehensive technical support, and dedicated customer service to make your purchasing process seamless.
