Pipe Blind
Usa industries provide these types of flanges in all material grades specifications in sizes that range from 1 2 thru 96 and asme ratings from 150 to 2500.
Pipe blind. Mixed material joints asme b16 48 specifies that should either the two flanges or the line blank in a flanged line blank assembly not have the same pressure temperature rating the rating of the assembled joint at any temperature shall be the lower of the flange or line blank rating at that temperature. These pipe flanges are used to seal the end of piping systems or pressure vessel openings. 1 permit required confined spaces 1910 146 blanking or blinding means the absolute closure of a pipe line or duct by the fastening of a solid plate such as a spectacle blind or a skillet blind that completely covers the bore and that is capable of withstanding the maximum pressure of the.
A spectacle blind is a forged product and combination of a flange spade and a ring spacer in one single product. Blind pipe flanges also allow for easy access to the pipe in case work must be done inside the line. Blind flanges also allow for easy access to the pipe in case work must be done inside the line.
98 of products ordered ship from stock and deliver same or next day. They are commonly used for testing the flow of gas or liquid through a pipe or vessel. Thickness of spectacle blind is specified based on the pressure and pipe size.
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