Large flange integral flange welded flange and welded flange. Less rigid welded flange for pressure p ≤ 4MPa the occasion; welded
flange, also known as high-neck flange, rigid, applicable to high temperature in the pressure of the occasion.
There are three type of flange sealing surface: planar sealing surface, suitable for high pressure, medium nontoxic occasions; bump
sealing surface, for slightly higher pressure situations; tongue and groove sealing face, applies to flammable and explosive toxic
medium and high pressure applications. The different nature of the pipe flanges with good performance in different areas to adapt to the
occasion and space, the resulting effect will be different.
The large flange gasket is a plastic deformation, and has the ring of a certain strength of materials. Most of the gasket is cut
from the non-metallic plate down, or by a professional factory production of the required size, the material is asbestos-rubber sheet,
asbestos, polyethylene board of asbestos; also useful for sheet metal (white metal, stainless steel) non-metallic materials wrapped made
of metal-clad gasket; there is a band together around the system from the thin strip and asbestos spiral wound gasket.
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