3) DIN FLANGE
Size range: DN15 to DN2000
Design: slip on flange DIN2573,2576,2502,2503, 2543,2545
welding neck falnge DIN2631, 2632,2633,2634,2635
blind flange DIN 2527 PN6, PN10, PN16, PN25, PN40
threaded falnge DIN2565,2566,2567,2567
loose flange DIN 2641,2642,2656,2673
Material: carbon steel ST37.2, stainless steel 1.4301, 1.4404
Related flange info.
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Size |
1/2"-72" |
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Type |
Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice Flange, Swivel Flange, Spectacle Blind,Etc. |
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Process Method |
Free forging, die-forging, casting, plate cutting & machining |
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Standard |
ANSI, ASME ,MSS, API, DIN, JIS, BS. AWWA and GB |
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Connection |
Butt weld & Socket weld & Thread |
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Class |
ANSI 150LBS-2500LBS, |
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DIN PN6-PN160 |
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BS PN0.25-PN25 PN2.0-PN42.0 |
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JIS 5K-30K |
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Flange Face Types |
Raised Face (RF) ,Flat Face (FF) ,Ring-Type Joint (RJ) ,Ring Type Joint Gaskets, |
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Materials |
Carbon Steel |
ASTM A105,ASTM A350 LF1, LF2, CL1/CL2, A234, S235JRG2, P245GH P250GH, P280GHM 16MN, 20MN ,20# ,etc. |
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Low Temperature Carbon Steel: ASTM SA350 LF2 |
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High Strength Steel: ASTM SA694 F42/46/52/56/60/65 |
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Stainless Steel |
ASTM A182 F304/304L/316/316L |
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Alloy Steel |
ASTM A182 F1/F5/F9/F11/F22/F91/Etc. |
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Duplex stainless steel |
ASTM A182 F51/F53/F55/F60 |
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Nicke alloys |
Nickel 200, Monel 400, Inconel 600/625, Incoloy 825/800 |
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Cu-Ni |
90/10,70/30 |
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Process |
Free forging, plate cutting. |
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Coating |
Carbon steel and alloy steel: |
TYPES OF FLANGES
The most used flange types in Petro and chemical industry are:
All types except the Lap Joint flange are provided with a raised flange face.
SPECIAL FLANGES
Except the most used standard flanges, there are still a number of special flanges such as:
