Orifice Flange
Garg Steel Tube Company offers high-quality Orifice Flanges designed for accurate flow measurement and process control in critical piping systems. These flanges are manufactured in pairs with precision-drilled pressure tap holes, allowing seamless integration of orifice plates and instrumentation equipment. Orifice Flanges are widely used in industries such as oil and gas, petrochemical processing, power plants, and refineries where reliable monitoring of fluid flow is essential. Produced in compliance with international standards and using superior-grade materials, Garg Steel Tube Company’s Orifice Flanges ensure dimensional accuracy, durability, and dependable performance under high-pressure and high-temperature operating conditions.
Enquire NowStandard Specifications of Orifice 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 , BS4504, BS1560, BS10 |
| Class / Pressure Rating | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Material & Grades of Orifice Flange
Stainless Steel
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
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)