Spectacle Flanges

Spectacle Flanges

Spectacle Blind Flanges Flanges Manufacturers, Exporters & Suppliers in India and abroad.

304/304L Spectacle Flanges, 310/310S Spectacle Flanges, 316/316L Spectacle Flanges, 317/317L Spectacle Flanges, 321/321H Spectacle Flanges, 446 Spectacle Flanges, 347/347H Spectacle Flanges.

Stainless Steel, Alloy Steel, Carbon Steel, Duplex steel, Copper Nickel Alloy, Alloy 20, Hastelloy, Titanium, Monel & Inconel Spectacle Flanges.

Spectacle Flanges is a pressure retaining plate with one solid end and other open end connected with a web or a tie-bar. During the normal operations, the open end forms a seal between two flanges and permits normal flow of fluid through the pipe work. If the solid end is swung into position it effectively blanks of the pipe and halts the flow of fluids.


Material of ConstructionStandard Grades
Stainless Steel Spectacle Blind Flanges ASTM A240, A182
201, 202, F 304, 304L, 304H,  309S, 309H, 310S, 310H, 316, 316Ti, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L
Carbon Steel Spectacle Blind Flanges ASTM A105 Gr. F42,46,52,56,60,65,70
Alloy Steel Spectacle Blind Flanges ASTM A182 F91,F1,F5,F9,F11,F22
Nickel Alloy Spectacle Blind Flanges ASTM SB160, SB162, SB472, SB564,   Nickel 200 (UNS No. N02200), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel Nickel 201 (UNS No. N02201), 825 (UNS No. N08825),   Inconel 601 (UNS No. N06601), Alloy 20 (UNS No. N08020), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Hastelloy C 276 (UNS No. N10276).
Copper Alloys Spectacle Blind Flanges ASTM SB 61, SB62, SB151, SB152 UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, UNS No. C 71500(Cu-Ni 70/30), C 70600(Cu-Ni 90/10),   
Low Temperature Carbon Steel Spectacle Blind Flanges ASTM A350  LF3, LF2
Duplex Steel Spectacle Blind Flanges ASTM A240, A182
UNS F 44, F 45, F51, F 53, F 55, F 60, F 61