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Blind Flanges

Manufacturer of comprehensive range Blind Flanges, Look for Blind Flanges best price

your source for Blind Flanges, Manufacturer and Supplier of the most qualitative range of Blind Flanges

Grand Metal Corporation is acknowledged as a manufacturer, exporter & suppliers of Blind Flanges, available in a variety or grades, materials, and finishes, in metric and inch sizes. full line fastener distributor specializing in industrial products for companies involved in Equipment Manufacturing, Mining, Oil Refineries, Chemical manufacturing, Steel and Aluminium Manufacturing, Utilities and Transportation, and Industrial Construction.

Grand Metal Corporation carries a variety of Blind Flanges from Carbon Steel, Stainless Steel and High Nickel Alloy -F467 NiCu 400 (Monel) and commercial 18-8/304, 316L Stainless Steel. We supply Blind Flanges at Best suitable price. Blind pipe flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for blind pipe flanges, the standard height is 1/16" for blind pipe flanges under 400#. For blind pipe flanges of 400# and up, the standard blind pipe flange raised face height is 1/4".

Type of Flanges like SORF, SWRF, WNRF, BLRF, LAP Joint, Reducing, Spectacle, Threaded & As per your Drawing in International Standard like ASTM, BS, IS Etc. as per ASA, DIN Table etc. with Manufacturer Test Certificate & IBR Test Certificate.

Useful Information about Blind Flanges

Blind Flange Production Range

Size: 1/2″ (15 NB) to 48″ (1200NB)
Standards: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Pressure Ratings: Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.
Carbon Steel Blind Flanges: ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8
Stainless Steel Blind Flanges: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L Alloy Steel Blind Flanges: ASTM A182 F1, F5, F9, F11, F22, F91
Special Alloy Blind Flanges: Duplex, Super Duplex, Nickel Alloys
Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating/Surface Treatment: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized Value Added Services: CNC Machining, Customised Flanges

Dimensional Tolerances of Blind Flanges ASME B16.5

Outside Diameter Inside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm not applicable
Diameter of Contact Face Outside Diameter of Hub
1.6 mm Raised Face = ± 0.8 mm ≤ 12 = + 2.4 mm / - 1.6 mm | ≥ 14 = ± 3.2 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm  
Diameter of Counterbore Drilling
not applicable 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.
Thickness Length thru Hub
≤ 18 = + 3.2 mm / - 0 | ≥ 20 = + 4.8 mm / - 0 ≤ 18 = + 3.2 mm / - 0.8 mm | ≥ 20 = + 4.8 mm / - 1.6 mm
Contact Grand Metal Corporation today for a best offer & competitive quotation…
Call: +91 98927 02393, 97690 58811
Email: grandmetalcorporation@gmail.com