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    Blind Flanges

    • Diameter of Contact Face 1.6 mm Raised Face = ± 0.8 mm 6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mmOutside Diameter of Hub ≤ 12 = + 2.4 mm / - 1.6 mm | ≥ 14 = ± 3.2 mm
    • Thickness ≤ 18 = + 3.2 mm / - 0 | ≥ 20 = + 4.8 mm / - 0Length thru Hub ≤ 18 = + 3.2 mm / - 0.8 mm | ≥ 20 = + 4.8 mm / 
    • Outside Diameter ≤ 24 = 1.6 mm | > 24 = ± 3.2 mmInside Diameter not applicable
    • Diameter of Counterbore not applicableDrilling Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm Eccentricity of Bolt Circle with Respect to Facing ≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max.
    • Supply TypeManufacturer, Exporter, Supplier, Retailer
    • Preferred Buyer Location All over the world

    BLIND FLANGES (ASME B16.5) MANUFACTURERS, EXPORTERS & SUPPLIERS IN INDIA. The following given are various Bind Flanges types: 446 Blind Flanges, 347/347H Blind Flanges (BLRF), 321/321H Blind Flanges....
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    BLIND FLANGES (ASME B16.5) MANUFACTURERS, EXPORTERS & SUPPLIERS IN INDIA.

    The following given are various Bind Flanges types:

    446 Blind Flanges, 347/347H Blind Flanges (BLRF), 321/321H Blind Flanges (BLRF), 317/317L Blind Flanges (BLRF), 316/316L Blind Flanges (BLRF), 310/310S Blind Flanges (BLRF), 304/304L Blind Flanges (BLRF).

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

    Blind Flange is a Flange without bore and is widely used to close down the piping systems or vessel openings. It also helps in providing easy access to vessels and piping systems for inspection purposes. Blind flange can be supplied with as well as without hubs depending on the client's demand.


    Material of ConstructionStandardGrades
    Stainless Steel Blind FlangesASTM 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 Blind FlangesASTM A105Gr. F70,65,60,56,52,46,42
    Alloy Steel 
    Blind Flanges
    ASTM A182F91,F22,F11,F9,F5,F1
    Nickel Alloy 
    Blind Flanges
    ASTM SB160, SB162, SB472, SB564Nickel 200 (UNS No. N02200), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601)
    Copper Alloys Blind FlangesASTM SB151, SB152, SB 61, SB62  UNS No. C 71500 (Cu-Ni 70/30), C 70600 (Cu-Ni 90/10), UNS No. C 12200, 12000, 10800, 10300, 10100    
    Low Temperature Carbon Steel Blind FlangesASTM A350LF3, LF2 
    Duplex Steel Blind FlangesASTM A240, A182 UNS F 61, F 60, F 55, F 53, F51, F 45, F 44      


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