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Shanxi
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2020-11-15 14:25
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Company Profile
Shanxi Haokun Flanges Group Co., LtdBy certification [File Integrity]
Contact:sxhkfl(Mr.)
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Area:Shanxi
Address:Shanxi
Website:http://www.hkflanges.com/ http://sxhkfl.gxchuteng.com/
Threaded flange is a kind of non welded flange, which is made of inner hole of flange into pipe thread and connected with pipe with thread.
Advantages: Compared with the flat welding flange or butt welding flange, the threaded flange has the characteristics of convenient installation and maintenance, and can be used on some pipelines which are not allowed to be welded on site. Alloy steel flange has enough strength, but it is not easy to weld, or welding performance is not good, can also choose threaded flange. Disadvantages: It is recommended not to use threaded flange to avoid leakage when the pipeline temperature changes rapidly or the temperature is higher than 260 ℃ and lower than - 45 ℃. The production standards are: American Standard, German standard, European standard, British standard, Japanese standard and South African standard
Pressure dimension specification of German standard carbon steel threaded flange: DIN2565 PN6
DIN2566 PN10/16
DIN2567 PN25/40
DIN2568 PN64
DIN2569 PN100
Common standards:
Chinese standard: GB9112-88 (GB9113 · 1-88 ~ GB9123 · 36-88)
American Standard: ANSI B16.5, ANSI 16.47, Class150, 300, 600, 900, 1500 (TH, LJ, SW) Japanese standard: JIS 5K, 10K, 16K, 20K (PL, SO, BL)
German standard: DIN2527, 2543, 2545, 2566, 2572, 2573, 2576, 2631, 2632, 2633, 2634, 2638 (PL、SO、WN、BL、TH)
British Standard: BS4504,4506
The PN mark has 12 pressure levels,they are: PN2.5,PN6, PN10,PN16, PN25, PN40,PN63, PN100.PN160, PN250, PN320, PN400
The class mark has six pressure levels,they are: Class 150, Class 300,Class 600,Class 900,Class 1500,Class 2500
Carbon steel threaded flange can be divided into: (20#, A3, Q235A, Q235B, 20G, 16Mn, ASTM A234WPB, ASTM A105, etc.);
Standard for carbon steel threaded flange:
Chemical standard: HG / T20592-2009;
Chinese standard: GBT9114-2010;
American Standard, British standard, German standard, Russian standard, Japanese standard, etc. Description of flange thread pressure: carbon steel
PN series: PN0.6Mpa ~ PN4.0MPa
Class series: Class150 ~ Class300;
Material description of carbon steel threaded flange:
Carbon steel flange: ASTM A105,20#, Q235, 16Mn, ASTM A350, LF1, LF2, CL1 / CL2, LF3 CL1 / CL2, ASTM A694, F42, F46, F48, F50, f52, f56, F60, F65, F70;
Standard classification
Specification: 1 / 2 "~ 80" (DN 10-DN5000)
Pressure rating: 0.25Mpa-250Mpa (150LB-2500LB)
http://www.hkflanges.com/
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