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Duplex Steel S31803 Weld Neck Flanges
  • Duplex Steel S31803 Weld Neck FlangesDuplex Steel S31803 Weld Neck Flanges
  • Duplex Steel S31803 Weld Neck FlangesDuplex Steel S31803 Weld Neck Flanges
  • Duplex Steel S31803 Weld Neck FlangesDuplex Steel S31803 Weld Neck Flanges

Duplex Steel S31803 Weld Neck Flanges

Duplex Steel S31803 Weld Neck Flanges is not easy to deformation, good sealing, widely used, suitable for pressure or temperature fluctuations of the pipeline or high temperature, high pressure and low temperature pipeline, the advantage is that the price is relatively cheap, nominal pressure does not exceed 2.5MPa; Also used for conveying expensive, flammable, explosive medium pipeline, nominal pressure in PN16MPa.

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Product Description

Standard and classification of butt welding flange:

Common production standards: Ministry of Chemical Industry standards HG/T20592-2009, HG/T20615-2009, National standards GB/T9115.1-2000, GB/T9115.2-2000, GB/T9115.3-2000, GB/T9115.4-2000, Ministry of Machinery standards JB/ T862-94, Marine Standard CB/T47-1999

Butt welding flange includes many types and models. Butt welding steel flange is used for butt welding of flange and pipe. It is mainly used in welding technology. Need to determine according to the specific situation, to ensure the specific use value and performance of butt welding flange, withstand high temperature and high pressure.

Purpose of butt welding flange:
The welding flange has a wide range of uses, and the range of use is determined according to different characteristics. It is mainly used in the case of moderate medium conditions, such as low pressure unpurified compressed air and low pressure circulating water. Its advantage is that the price is cheaper. 


Suitable for steel pipe connection with nominal pressure no more than 2.5MPa, the sealing surface of butt welded flange can be made of smooth, concave and convex and tenon type three. The application of smooth butt welding flange is large, and the other two ways of butt welding flange is also relatively common in use.
 


Parameter (Specification) of Duplex Steel S31803 Weld Neck Flanges 



material

carbon steel:A105 A234 WPB

Stainless steel:304 316L

Super Stainless Steel: S32205 S31803 S32750 S32760

Model

1/2"(DN15)─24”(DN600)

Pressure Level

CLASS150 CLASS300 CLASS600 CLASS900 CLASS1500 CLASS2500


standard

ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48

DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632,
DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673

package

pollywood pallets or wooden cases


Duplex Steel S31803 Weld Neck Flanges  Product advantage

After sale Services:
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment,
3. Email you the tracking no, and help to chase the products until it arrive you.

After-sale choose:
1. We are very glad that customer give us some suggestion for price and products.
2. If any question,please contact us anytime in your convenience.




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