Flat welding flange products with neck

slip on flangeThere are holes on the flange connected to the pipe end, which can be bolted to tightly connect the two flanges, and the flanges are sealed with gaskets.

Flange fittings refer to fittings with flanges (flanges or flanges). It can be cast, threaded or welded together. Neck welding flange connection refers to a pair of flanges, a gasket, and several bolts and nuts. The gasket is placed between two flange sealing surfaces. After tightening the nut, the pressure on the gasket surface reaches a certain value and deforms, filling the uneven areas on the sealing surface to ensure a tight and leak free connection. Flange connection is a detachable connection.

Neck welding flange data:

Sealing surface type Nominal pressure PN, MPa (bar)

0.6 1.0 1.6 2.5 4.0

RF (protruding surface) DN10～600

Concave convex surface (MFM) DN10～600

Mortise and tenon surface (TG) DN10～600

Full plane (FF) DN10-300、DN10～600

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