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Blind Flange

Blind Flange

Garg Steel Tube Company manufactures premium Blind Flanges designed to securely seal the ends of piping systems, valves, and pressure vessels. These flanges are widely used in industries such as oil and gas, chemical processing, power generation, water treatment, and petrochemicals where system isolation and safety are critical. Engineered for high pressure and temperature applications, our Blind Flanges are produced using high-quality raw materials and advanced machining processes to ensure excellent strength, leak resistance, and long-term durability. Manufactured in accordance with international standards, Garg Steel Tube Company’s Blind Flanges provide reliable performance, ease of maintenance, and dependable service life across demanding industrial environments.

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Standard Specifications of Blind Flange

Standards / Dimensions ANSI B16.5, ANSI B16.47 Series A & B, ASA, API-605, MSS SP44, AWWA, Custom Drawings
Size Range ½″ (15 NB) to 48″ (1200 NB)
Flange Face / Connection Type Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)
DIN DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
BS Standards BS4504, BS1560, BS10
Class / Pressure Rating 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Material & Grades of Blind Flange

Stainless Steel

ASTM A-479, A-182, 304, 304L,304H,304S, 316, 316L,316 Ti, 316H, 309, 310, 310S, 317L, 321, 347, 409, 410, 420, 430, 440, 446, 904L. etc.

Duplex & Super Duplex Steel

S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 & ASTM / ASME A/SA 182, A240 F 44, F 45, F51, F 53, F 55, F 60, F 61

Carbon Steel

ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80)

Low Temperature Carbon Steel

ASTM A350, LF2, LF3

Alloy Steel

AASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91

Nickel Alloy

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), Titanium (Grade I & II)