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Steel Pipe Flange ASME B16.5 CS SO RF Flange ,ASTM A105 2 lnch 150# Black Paint Treatment
Flange, from English Flange, also known as flange or flange. Basic meaning refers to the protruding structure on an object, or an object with a raised structure, such as flange bolts, flange shafts, etc. Because the flange structure is commonly used in connection between shaft and shaft, between pipe end and pipe end or between equipment and equipment, the flange generally refers to a part or structure used for connection in the mechanical field, such as pipe flange, reducer flange. Flange connection refers to the mechanical connection of gasket (ring) between flanges with several bolts. Often used for steel pipe, cast iron pipe, plastic pipe and other pipe sections that need to be removed frequently and larger pipe diameter pipe connection. [1] more broadly, connecting parts that rely on flange structures around two planes and use bolts to connect and close at the same time are generally referred to as "French connections ", such as ventilation ducts. This type of part can be called" flange parts ". Flange connection can realize sealing connection under large pressure, so it is often used for connection between pipes and fittings; flange connection can also realize the function of transmission, so it can also be used for connection between motor and reducer, or reducer and other equipment.
Flat flange
Flat welding flange is also called lap welding flange. The connection between flat welding flange and pipe is to insert pipe into flange inner hole to proper position and then lap welding. Its advantage is that it is easy to match in welding assembly, because it is widely used. But flat welding flange is only suitable for pipe system with low pressure grade and low pressure fluctuation, vibration and shock.
National Standard: Ministry of GB/T9119-2000,GB/T2555-81 Machinery Standard: Ministry of JB81-94,JB/T74-94,JB/T75-94 and Chemical Industry Standard: Ministry of HG20593-2009,HG20615-2009 Power Standard: GD0506-0507 American Standard: ASME/ANSI B16.5
| Carbon Steel Weld Neck Flange | ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80) |
| Stainless Steel Weld Neck Flange | ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409 |
| Alloy Steel Weld Neck Flange | ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91 |
