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Spectacle Flange
Spectacle Blind Flanges Flanges Manufacturers, Exporters & Suppliers in India.
304/304L Spectacle Flanges, 310/310S Spectacle Flanges, 316/316L Spectacle Flanges, 317/317L Spectacle Flanges, 321/321H Spectacle Flanges, 347/347H Spectacle Flanges, 446 Spectacle Flanges.
Stainless Steel, Alloy Steel, Carbon Steel, Duplex steel, Copper Nickel Alloy, Hastelloy, Titanium, Alloy 20, Monel & Inconel Spectacle Flanges.
This is a pressure retaining plate with one solid end and one open end connected with a web or tie-bar. In normal operation, the open end forms the seal between two flanges and permits normal flow of fluid through pipe work. If the solid end is swung into position it effectively blanks of the pipe and halts the flow.
| Material of Construction | Standard | Grades |
| Stainless Steel Spectacle Blind Flanges | ASTM A182 , A240 | F 304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L |
| Carbon Steel Spectacle Blind Flanges | ASTM A105 | Gr. F42,46,52,56,60,65,70 |
| Alloy Steel Spectacle Blind Flanges | ASTM A182 | F1,F5,F9,F11,F22,F91 |
| Nickel Alloy Spectacle Blind Flanges | ASTM SB564, SB160, SB472, SB162 | Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), |
| Copper Alloys Spectacle Blind Flanges | ASTM SB 61 , SB62 , SB151 , SB152 | UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, |
| Low Temperature Carbon Steel Spectacle Blind Flanges | ASTM A350 | LF2 , LF3 |
| Duplex Steel Spectacle Blind Flanges | ASTM A182, A240 | UNS F 44, F 45, F51, F 53, F 55, F 60, F 61 |
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