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Loose Flange

Loose Flange

MstnLand's series of loose flange is usually produced with the size ranging between DN15‐DN600. Loose flange is a two-piece component. The first piece is known as a stub end and the second piece is referred to as a backing flange. As for the stub end, which is a sleeve and is shaped similar to a short piece of pipe. This flange has a narrow shoulder on one end, with the other end or the hub that has been butt welded. The dimensions of the narrow shoulder are like the raised face of the flange, whereas the butt weld end of the stub-end is similar to the neck of a weld neck flange, down to the diameter and thickness. The back face of the hub of the loose flange is produced 0with a rounded transition that attaches the hub to the sleeve.

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Specifications

Body material:

Carbon Steel, Alloy Steel, Stainless Steel

Size range:

DN15~600

Pressure rating:

CLASS 150lb~2500lb

Sealing surface

FF

Applicable medium:

Water, Steam≤1.0MPa, Oil&Gas

Applicable industry:

Pipelines with large fluctuations in temperature or pressure or pipelines with high temperature, high pressure and low temperature and also used to transport expensive media, flammable and explosive media and toxic gases.

Design & Manufacture:

API, ASME, ASTM, ANSI, BS, EN, DIN,  JIS, ISO, SANS, GOST, GB.


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