Neck-weld flange

PVDF Neck-weld flange is a connection component specially designed for PVDF piping systems. It is meticulously manufactured using PVDF raw material, ensuring the product's quality and durability. The unique flanged neck design not only enhances the stability of the connection but also improves the sealing performance of the entire piping system, effectively preventing leakage. This product offers a variety of pressure ratings to meet the needs of different applications. Whether in low or medium-pressure environments, the PVDF Neck-weld flange can operate stably and exhibit outstanding performance. The connection method is welding, which ensures that the strength and sealing of the connection are amazing. Welded connections are not only easy to install but also effectively resist the erosion of the external environment, ensuring the long-term stable operation of the piping system.

  • Neck-weld flange
  • Neck-weld flange
  • Neck-weld flange

Material: PVDF
Pressure Ratings: 0.6MPa, 1.0MPa
Connection Methods: Socket and Spigot, Welding
Color: White
Production Standards: ISO 10931, DIN 8077/8078, EN 14577
Density: 1.17~1.79 g/cm³
Melting Point: 172°C
Long-term Use Environmental Temperature Range: -40 to 150°C
Heat Deflection Temperature: 112 to 145°C

Product parameter introduction
Neck-weld flange

Neck-weld Flange

Nominal outer
diameter
De
Outer diameter
DH
Flange outer
diameter
D
Bolt hole center
circle
diameter
D1
Bolt hole diameter
do
Bolt Flange thickness
b
Flange height
H
Sealing surface Flange neck
D2 F N R
32 32 120 85 14 4-M 12 16 60 68 2 46 4
40 40 140 100 18 4-M 16 18 60 78 2 62 4
50 50 150 110 18 4-M 16 18 60 88 3 70 6
63 63 165 125 18 4-M 16 20 60 102 3 86 6
75 75 185 145 18 4-M 16 22 80 122 3 104 6
90 90 200 160 18 4-M 16 24 80 138 3 118 6
110 110 220 180 18 8-M 16 24 80 158 3 140 6
125 125 220 180 18 8-M 16 24 80 158 3 140 6
140 140 250 210 18 8-M 16 26 80 188 3 168 6
160 160 285 240 22 8-M 20 28 80 212 3 195 8
180 180 285 240 22 8-M 20 28 80 212 3 195 8
200 200 340 295 22 8-M 20 34 100 268 3 246 8
225 225 340 295 22 8-M 20 34 100 368 3 246 8
250 250 395 350 22 12-M 20 38 100 320 3 298 10
280 280 395 350 22 12-M 20 38 100 320 4 298 10
315 315 445 400 22 12-M 20 42 100 370 4 350 10
355 355 505 460 22 16-M 20 46 120 430 4 400 10
400 400 565 515 26 16-M 23 50 120 482 4 456 10
450 450 615 565 26 20-M 24 50 120 530 4 502 12
500 500 670 620 26 20-M 24 52 120 585 4 559 12
560 560 730 675 30 20-M 27 54 160 635 5 610 14
630 630 780 725 30 20-M 27 58 160 685 5 680 14
Product advantages

1. Manufactured from PVDF material, it features wonderful chemical corrosion resistance, superior mechanical strength, and good processability, ensuring the long-term stability and reliability of the flange.
2. The flanged neck design not only enhances the connection strength between the flange and the pipe but also effectively prevents medium leakage, improving the sealing performance of the entire pipeline system.
3. The Neck-weld Flange is suitable for a variety of media, including corrosive chemicals and organic solvents. It can also maintain stable performance over a wide temperature range, making it suitable for various complex industrial environments.
4. Made from high-quality PVDF material and refined manufacturing processes, the Neck-weld Flange has wonderful durability. It can maintain long-term stability and reliability even under harsh working conditions, reducing maintenance costs.

Applications
01 / 01
  • Chemical Industry
Chemical Industry
In chemical production, some processes need to be carried out under high-temperature conditions. PVDF material has good high-temperature resistance and can maintain stable mechanical properties and chemical stability at higher temperatures. Therefore, PVDF flanges with a neck for welding are suitable for pipeline connections under high-temperature conditions, ensuring that the pipelines can still operate normally in high-temperature environments. Chemical production has high requirements for the cleanliness of pipelines, and the smooth surface design of PVDF flanges with a neck for welding makes cleaning and maintenance easier and more convenient. This helps to reduce downtime during the production process and improve production efficiency. The process flow in chemical production is often complex and variable, and there are also high requirements for pipeline connectors. PVDF flanges with a neck for welding have high strength and rigidity, are capable of withstanding greater pressure and impact loads, and can adapt to various complex process requirements.
Learn More
Color your world with excellence and innovation—Jiangyin Huada, your trusted source for premium color masterbatch, high-quality plastic pipes, and fittings.

It is because of our unwavering commitment to the pipe and pipeline industry, our emphasis on product diversity, the importance we place on product quality, and our dedication to green environmental practices and sustainable development that our brand has gradually gained recognition. Our products have earned the trust and praise of numerous customers, and our brand has become a symbol of reliability and trustworthiness.

As a professional China OEM PVDF Neck-weld Flange Supplier and PVDF Neck-weld Flange company, Our brand story is one of continuous progress and innovation. We will continue to create more value for more customers and contribute to the development of the industry. We believe that through sustained efforts and adherence to our principles, our brand will continue to shine brightly and make a mark internationally.

Jiangyin Huada Polyester Plastic Co., Ltd.
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