DIN2632 2633 2634 2635 Carbon Stainless Steel Weld Neck Flange PN10-PN25 1.4304/1.4307
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Product Data
| Welding Neck Flange | |||||||||
| Standard | ANSI | ANSI B16.5, ASME B16.47 series A/B | |||||||
| DIN | Germany 6bar, 10bar, 16bar, 25bar, 40bar | ||||||||
| GOST | GOST 12820/12821/12836 | ||||||||
| EN1092-1 | EN1092-01/05/11/12/13 | ||||||||
| JIS | JIS B 2220-1984, KS B1503, JIS B 2216 | ||||||||
| BS4504 | BS4504 BS10 Table D/E | ||||||||
| Sealing Surface Form | FF、RF、M、FM、T、G、RJ | ||||||||
| Material | ASTM A105 ST37.0 A350 LF2 A694 F60 A694 F70 SS304 SS321 SS316 | ||||||||
| Nominal Pressure | DN15-DN2000 | ||||||||
| Applicable Medium | oil,gas,water or other medium; | ||||||||
| Technology | Forge&CNC machining | ||||||||
| Delivery Time | 15-60 days | ||||||||
| Payment Term | FOB,CIF | ||||||||
| Packaging | Plywood cases | ||||||||
Product Introduction
Weld neck flange (also known as flange neck) is a common pipe connection method, usually used in high pressure, high temperature or high vibration environment. In addition to our common basic knowledge of weld neck flanges, the following are some less common knowledge:
The length of the weld neck flange is usually standard, but can be customized according to the requirements of specific applications. For example, for pipes that require the installation of thermal insulation, a longer flange neck can be provided to ensure that the insulation can completely cover the flange neck.
The inside diameter of the flange neck is usually the same as the pipe inside diameter to ensure minimum resistance and best hydrodynamic performance. However, in some applications, a smaller internal diameter of the flange neck can be used to reduce the impact on fluid flow.
Standard nominal diameter: DN15-DN200
Nominal pressure rating: PN10-PN25
When designing and selecting flanges, the size and location of the flange neck waist and stiffeners must be considered. These elements are very important to ensure the structural strength and rigidity of the flange.
Weld neck flanges are usually used to connect two pipes or equipment of different materials or sizes. In this case, material compatibility between the flange neck and flange face must be ensured and necessary conversions made as required.
When installing and disassembling neck butt welding flanges, the correct sequence and process must be followed to ensure safety and effectiveness. This includes steps such as applying lubricant correctly, tightening bolts evenly, and checking tightening torques one by one.
1.Shrink bag–> 2.Small Box–> 3.Carton–> 4.Strong Plywood Case
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1.Professional manufactory.
2.Trial orders are acceptable.
3.Flexible and convenient logistic service.
4.Competitive price.
5.100% testing,ensuring the mechanical properties
6.Professional testing.
1.We can guarantee the best material according to related quotation.
2.Testing is performed on each fitting before delivery.
3.All packages are adapt for shipment .
4. Material chemical composition is conformed with international standard and environment standard.
A) How can I get more details about your products?
You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.We can also supply pipe fittings, bolt and nut, gaskets etc. We aim to be your piping system solution provider.
B) How can I get some samples?
If you need, we will offer you samples for free, but new customers are expected to pay express charge.
C) Do you provide customized parts?
Yes, you can give us drawings and we will manufacture accordingly.
D) To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru , Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.).
E) I can’t see the goods or touch the goods, how can I deal with the risk involved?
Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.
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