The classification method of flange

The flange is made between pipes and valves interconnected parts, connected to the pipe end. There are holes on the flange, so that the two flange bolts tight. The flange gasket seal. Flange threaded (screw connected) flange and welding flanges and flange.

The flange is connected to the part between the pipe and pipe, tube end for connection between the flange; also useful in the inlet and outlet of equipment, is used for the connection between the two devices, such as the reducer flange. Flange connection or flange connection, is defined by the flange, gasket and bolt three are connected as a group of combined seal structure of the detachable connection. Pipe flange refers to the pipeline installation of piping flange, used in equipment refers to equipment import and export flange.

There are holes on the flange, so that the two flange bolts tight. The flange gasket seal. Flange threaded (screw connection flange, welded flange) and clamping flange. Flanges are used in pairs, low-pressure pipeline can use the wire connected flange, four kg more than the use of pressure welding flange. Between the two flange and gasket, and then tighten the bolts. Flange thickness of different pressure difference, they use different bolt.

Pumps and valves, and pipeline connection, these equipment locally, also made the corresponding flange shape, also known as the flange connection. In two planes surrounding the use of bolt connection parts also closed, generally referred to as "flange", such as ventilation pipeline connection, the parts can be called "flange type parts". But this connection is only a partial one device, such as a connecting flange and a water pump, water pump is not good to call "flange type parts". Small as the valve and so on, can be called "flange type parts".

The reducer flange, used to connect the motor and reducer, and the reducer connected with other equipment.

1.According to the chemical industry standard: integral flange (IF), (Th), threaded flange welding plate flange (PL), butt welding neck flange (WN), hubbed flange (SO), socket welding flange (SW), butt welding ring loose flange (PJ/SE), flat ring sleeve flange (PJ/RJ), lining flange (BL (S)), a flange cover (BL).

2.According to the petrochemical industry standard (PT): threaded flange, welded flange (WN), flat welding flange (SO), socket welding flange (SW), loose flange (LJ), a flange cover (not table note).

3.According to the standard of mechanical industry: integral flange, welded flange, welding plate flange, butt plate loose ring flange, welding ring plate loose flange, flange ring loose plate flange, flange cover.

4.According to the national standard: integral flange, threaded flange, welded flange, hubbed flange, hubbed socket welding flange, butt welding ring neck loose flange, welding plate flange, butt plate loose ring flange, welding ring plate loose flange, flange ring loose plate flange, flange cover.

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Article tags: Flange,Flange Fork,Power Transmission.