- Pipe Fittings[6]
- Flanges[4]
- Chemical Product Machinery Parts[6]
- Reactors[4]
- General Mechanical Components Design Services[6]
- Gas Generation Equipment Parts[1]
- Machinery Processing Services[4]
- Cast & Forged[3]
- Machinery Parts Processing Services[2]
- Pressure Vessels[1]
- Separation Equipment[2]
- Heat Exchanger[2]
- Metal Processing Machinery Parts[3]
- Other Metals & Metal Products[1]
- Gaskets[1]
- Contact Person : Ms. li sa
- Company Name : Sichuan Huayuan High-Temperature Furnace Co., Ltd.
- Tel : 86-28-61986281-8014
- Fax : 86-28-61986281-8012
- Address : Sichuan,chengdu,NO. 528 Tongji Road,Qingbaijiang District,Chengdu
- Country/Region : China
- Zip : 610302
slip on welding neck flanges
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Flange is a mechanical part which used for connecting pipe.Flange Type: Welded flange, Welding neck flange, Male and female facing flange, Hubbed flange, Blind flange.
Flange Material: carbon steel flange, alloy steel flanges, stainless steel flanges Steel etc.
1,Flange classification (1)According to material, divide into carbon steel, cast steel, alloy steel, stainless steel, copper, aluminum, plastic, ppc, etc.. (2)According to production methods ,divided into forging flanges, cast flanges, welded flanges, rolled flange (3)According to manufacturing standards ,divided into GB (standard of the Ministry of Chemical Industry, Petroleum standards, power standards), American standard, German standard, Japanese standard, the Russian standard.
Pipe flange standard system on the international
2,The international pipe flange standard system 1) The European flange system: the German DIN (Soviet Union), the British Standard BS, French standard NF, Italian standard UNI, a, Nominal pressure: 0.1, 0.25, 0.6, 1.0, 1.6, 2.5, 4.0, 6.4, 10.0, 16.0, 25.0, 32.0, 40.0, Mpa b, The public diameter: 15 ~ 4000mm c, The flange structure type: Flat plate welding type, Flat welded loop loose type, Butt weld edge loose type, Butt weld loop loose type, Butt weld, Joint type with neck threaded, Integral type and Blind flange. d, flange sealing surface: flat, raised face,male and female, tongue and groove, rubber ring joint face, the lens surface and the diaphragm welded surfacee, the Soviet Union in 1980 OCT tube flange with the admission criteria is similar to the German DIN standard, will not repeat.
2) American Flange System: U.S. ANSI B16.5 <Steel Pipe Flanges and Flanged Fittings >ANSI B16.47A/B <Large Diameter Steel Flanges> ,B16.36 <Orifice Flange> etc.. a,Nominal pressure: 150psi (2.0Mpa), 300psi (5.0Mpa), 400psi (6.8Mpa), 600psi (10.0Mpa), 900psi (15.0Mpa),
1500psi(25.0Mpa), 2500psi (42.0Mpa), b, The public diameter: 6 ~ 4000mm c, Flange structure type: welding, socket welding, threaded connection, loose, butt weld and blind flange d, Flange sealing surface: raised face, male and female, tongue and groove, metal rings connected surface
3, Chinese steel pipe flanges National Standards System GB 1) Nominal pressure: 0.25Mpa ~ 42.0Mpa a, Series 1: PN1.0 PN1.6, PN2.0, PN5.0, PN10.0, PN15.0, PN25.0, PN42 (main series) b, Series 2: PN0.25 PN0.6 PN2.5, PN4.0 PN0.25, PN0.6, PN1.0, PN1.6, PN2.5, PN4.0 flange sizes are belonging to Germany flange of Europe flange system, the rest
are belonging to American Flange of Americas flange system. on GB standards, largest nominal pressure is 4Mpa of Europe flange system, but it is 42Mpa of Americas flange system 2) Nominal diameter: 10mm ~ 4000mm 3) The flange structure: Integral flange Unit flange a, threaded flange b, welding flange, welding neck flange, welding neck flange, socket weld flange with neck , slipon plate flange c, Loose flange, Butt weld ring with loose with neck flange, Butt weld ring with loose with plate flange. d, flange cover (blind flange) e, Rotating flange f, Anchor Flange g, Surfacing / Cover welding flange 4) Flange sealing surface: flat, raised face, convex face, tongue and groove, ring joint face
Flange production standard Chinese Standard:GB/T9112-2000(GB9113.1-2000~GB9123?4-2000) American Standard:ANSI B16.5 Class150\300\600\900\1500(WN\SO\BL\TH\LJ\SW) Japanese Standard:JIS 5K\10K\16K\20K(PL\SO\BL\WN\TH\SW) German Standard:DIN2573\2572\2631\2576\2632\2633\2543\2634\2545(PL\SO\WN\BL\TH) Ministry of Chemical Industry standard:HG5010-52~HG5028-58\HGJ44-91~HGJ65-91\HG20592-97series\HG20615-97series Ministry of Machinery standards:JB81-59~JB86-59\JB/T79-94~JB/T86-94\JB/T74-1994 Pressure Vessels standards:JB1157-82~JB1160-82\JB4700-2000~JB4707-2000 B16.47A/B B16.39 B16.48
slip on welding neck flanges
