Sep 25, 2019 · Technical drawing for the figure-8 blank (spectacle blind flange) in accordance with ASME B16.48, with raised face. The RF dimensions shall be furnished in accordance with ASME B16.5. The height of the raised face shall be in addition to the thickness T. For Class 150 & 300, the height of RF shall be 2 mm; for Class 600, 900, 1500 & 2500, the
ASME B16.48 Spectacle Blind Flange ASME B16.47 Series A/B Large diameter Spectacle Blind FlangeFigure 8 Blanks Line Blanks Flanges Paddle Blanks & Paddle Spacers Spades and Spacer. A spectacle blind (also called figure-8 blank) is a pressure-retaining plate with one solid end and one open end connected with a web or thie bar, One side of the ASME B16.48 spectacle blind Flange,Figure 8 The Spectacle Blind is inserted between two flanges:in order to guarantee a perfect waterlight two gaskets are normally mounted , one on each side of spectacle blind. Carbon steel (ASTM 105, A516 Gr. 60/65/70, A350 LF2, A694 F60-65) A516 Gr. 60 Spectacle Blind Flange; A516 Gr. 65 Spectacle Blind Flange; A516 Gr. 70 Spectacle Blind Flange
MTRs are available by request on all flanges. Our figure 8 blind offerings include:Class 150, 300, 600, 900, 1500 & 2500 available with sizes ranging from ½ 90. MTRs are available by request on all flanges. ASME B16.48 Figure 8. A516-70 Carbon Steel Figure 8 Blinds; 304/304L Stainless Steel Figure 8 Blinds Figure 8 Spectacle Blinds - Forged Flanges - Pipe Fittings A forged figure 8 spectacle blind (also known as a spectacle flange) is comprised of 2 metal discs attached in the middle with a small piece of steel, giving it the appearance of a pair of spectacles or glasses. One end of the spectacle flange is solid, while the other has a hole in the middle.
A Stainless Steel Spectacle Blind Flange is a safety device that can be used to isolate a section of line or piece of equipment. Similar to any flanges a spectacle blind flange is used when the line or equipment in a piping system needs to either be inspected, modified or removed from service. Spectacle Blinds for Purchase Figure 8 BlindsOur spectacle blind offerings include:Class 150, 300, 600, 900, 1500 & 2500 available with sizes ranging from ½ 90. MTRs are available by request on all flanges. ASME B16.48 Spectacle / Figure 8 Blind. A516-70 Carbon Steel Spectacle Blind; 304/304L Stainless Steel Spectacle Blind; 316/316L Stainless Steel Spectacle Blind; Need something custom?
A Spectacle Blind is a steel plate cut into two discs of a certain thickness. The two discs are attached to each other by section of steel similar to the nose piece of a pair of glasses. One of the discs is a solid plate, and the other is a ring, whose inside diameter is equal to that of a flange. Spectacle Blinds be applied in systems, which Spectacle Flange,Figure 8 Blind Flange Haihao Pipe A spectacle blind also known as a figure-8 blind is generally a piece of metal that is cut to fit between two pipe flange and usually sandwiched between two gaskets. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. The shape is similar to a pair of glasses or spectacles
At Precision Flange, we offer a large supply of in-stock Spectacle Blinds, also known as Figure 8 or Spec Blinds. Our Spectacle Blinds are available in Carbon Steel, Stainless Steel, and Alloys.
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