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Suppliers and Exporters of Blind Flanges

Blind Flanges

Blind Flanges Manufacturer & Supplier

An ISO 9001:2008 certified company, Vishal Tube take immensure pleasure in introducing itself as one of the leading manufacturer, stockiest & exporter of high quality Blind Flanges, We also stock other Industrial & project materials such as Stainless Steel Tubing, Steel Pipes & Tubes, Capillary Pipes, Inconel 825 tubing, Nickel Tubing, Stainless Steel Bright Bars, Cold Rolled Steel Bars, 4140 Annealed Cold Rolled Round Bars, Hot Rolled Steel Bars, Steel Round Bars, Square Bars, Hex Bars, Flats, Forged Bars, Rectangular Bars & High Nickel Alloys Bars to meet the customer ultimate requirements. We welcome small quantities. We also offer competitive pricing on small & larger quantity Blind Flanges.

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Blind Flanges

Blind Flanges

The blind flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to a line once it has been sealed. The blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made. This reduction can be a threaded reduction or welded reduction.
Grades :
F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750
Class:
Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500
Features of blind flanges:
Some important features of blind flanges are as follows:

Blind flanges are sometimes supplied with NPT fittings which allow pressure test connections to be fitted.
They are used to blank off the ends of pipe.
They are also used to blank off the ends of valves and pressure vessel opening.
Considering factors like internal pressure and bolt loading, blind flanges, especially in the larger sizes, are the most highly stressed of all types of flanges.
Since the maximum stresses in a blind flange are bending stresses at the center, they can safely be allowed to be higher than in other types of flanges
Blind flanges are made to fit standard pipes in all sizes..

Notes :
Flange dimensions to ANSI to B16.5.
Dimensions "D" includes raised face thickness.
Larger outlet sizes available on applications.
ANSI 150# / 300# 2mm Raised Face.
ANSI 600# / 2500# 7mm Raised Face.

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