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Spectacle Blind Flanges

ASME B 16.5, ASME B 16.47, MSS SP44, ASTM A182, 240, 105, 350, SB564, 160, 472 Spectacle Blind Flanges Suppliers.

Manufacturer/Exporter Of High Spectacle Blind Flanges

Stainless Steel Spectacle Blind Flanges, Alloy Steel Spectacle Blind Flanges Manufacturer & Exporter.

Spectacle Blinds are generally applied to permanently separating pipesystems, or just to connect with each other. 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.

The wide range of Spectacle Flanges offered by us is available in quality stainless steel and alloys. These Flanges is available in various size, grades, Specification & thickness as per the clients requirments. These flanges widely used in various application industry like waterworks, petrochemicals, refineries, chemical industry and construction works etc.

Dimensions Blind Flanges & Stud Bolts ASME B16.5

Spectacle Blinds be applied in systems, which regularly need to be separated from other installations. Normally, a Spectacle Blind is mounted in the "open" position so that flow through the pipe is possible. If the Spectacle Blind in the "close" position is rotated, the pipe is blanked off and no flow is possible.

Maintenance on a pipesystem can be a reason to rotate the spectacle in the "close" position. This run will take place through the hole, that is drilled in the connection piece. By loosening of all bolts, and partial removal of their, the Spectacle Blind can be rotated. After replacing the gaskets (new gaskets are to recommend), the bolts can be re-assembled and tightened.

Nickel Alloys Flanges

UNS 2200, 2201, 4400, 6600, 6601, 6625, 8020, 8825, 10276.

Duplex & Super Duplex Flanges

A 182 F 44, F45, F51, F53, F55, F60, F61

Stainless Steel Flanges

A 182 / A 240 304/L, 310, 316/L, 316Ti, 317/L, 321/H, 347/H, 904/L

Alloy Steel Flanges

A 182 / A 387 F1, F5, F9, F11, F12, F22, F91

Copper Nickel Flanges

UNS C 70600 ( CU -NI- 90/10), C 71500 ( CU -NI- 70/30)

Carbon Steel Flanges

A 105

DIN 2655 / 2656

DIN 86029 / 86030

Spectacle Blind Flange

Spectacle Blind Flange Dimensions


Size:1/2" (15 NB) to 48" (1200NB)

Class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150#, 2.0MPa, 5.0MPa, 10.0MPa, 15.0MPa, 25.0MPa, 42.0MPa

Standards: ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48

DIN:DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673

B.S: BS4504 , BS4504, BS1560, BS10

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