Anchor Flanges

Reliable Steel Distributors manufacturing the best quality anchor flange in various specifications, grades, and sizes. We can produce anchor flanges as per ANSI/ASME, DIN, EN standards or as per customer drawings.Anchor Flanges are used to anchor pipe. An anchor flange is a device installed on a pipeline to combat axial movement. Resembling a collar, once it is attached to a pipe, the anchor flange is commonly anchored into a concrete foundation. Typically placed onto a section of pipeline as it makes a turn or is at a bridge crossing, the anchor flange is used to prevent the pipeline from moving. One of the common traits of a metal pipeline is its inherent movement caused by the flow of liquid through the pipe, as well as from the expansion and contraction caused by temperature changes. When a pipeline makes a sharp turn, the flow of liquid inside of the pipeline attempts to push the pipe in the direction of the flow. By placing an anchor flange on the pipeline and securing it into position by locking it in a concrete pillar buried deep into the ground, the forces pushing against the pipe are displaced into the earth.


Product & Supply Range of Anchor Flanges

ProductAnchor Flange
Size 1/2″ (DN15) ~ 60″ (DN1500)
Flange FaceRaised Face(RF), Flat Face(FF), Ring Type Joint(RTJ), T&G
Pressure Rating150#-2500# (PN6-PN40)
Test CertificateEN 10204 3.1

Manufacturing Standards for Producing Flanges


  • ANSI/ASME B16.5, ANSI/ASME B16.47 Series A (MSS SP-44), ANSI/ASME B16.47 Series B (API 605), ANSI/ASME B16.36, ANSI/ASME B16.48 (API 590)

BS Flanges

  • BS10 Table D, E, F, H, J, K, R, S, T, BS4504 Code 101, 105, 111, 112, 113, BS1042

DIN Flanges

  • DIN2527, DIN2573, DIN2576, DIN2502, DIN2503, DIN2543, DIN2544, DIN2545, DIN2630, DIN2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2628, DIN2629, DIN2627, DIN2641, DIN2642, DIN2652, DIN2653, DIN2655, DIN2656, DIN2673, DIN2674, DIN2675, DIN2676, DIN2558, DIN2561, DIN2565, DIN2566, DIN2567, DIN2568, DIN2569, DIN28115, DIN86029, DIN86030

EN Flanges: EN 1092-1

  • Type No.:  Type 01 Plate Flange (slip on) for Welding, Type 02 Loose Plate Flanges with Weld On Plate Collar or for lapped pipe end, Type 04 Loose Plate Flanges with Weld Neck Collar, Type 05 Blind Flange, Type 11 Weld Neck Flange, Type 12 Hubbed Slip On Flanges for Welding, Type 13 Hubbed Threaded Flanges, Type 21 Integral Flange, Type 32 Weld on Plate Collar, Type 33 Lapped Pipe End, Type 34 Weld neck Collar, Type 35 Welding Neck, Type 36 Pressed collar with long neck, Type 37 Pressed Collar

Materials for Manufacturing Anchor Flanges

  • Carbon Steel Anchor Flange: ASTM A105
  • Low-Temperature Anchor Flange: ASTM A350 LF1 LF2 CL1/CL2, LF3 CL1/CL2.
  • Stainless Steel Anchor Flange: ASTM A182 F304/304L, F316/316L, F321
  • Alloy Steel Anchor Flange: ASTM F1 F5 F9, F11, F91
  • High Yield Anchor Flange: A694 F42 F52 F60 F65
  • Special Alloys Anchor Flange: Nickel Alloys, Inconel, Monel, Hastelloy, Titanium, Aluminium, Copper Nickel
  • Duplex Steel Anchor Flange – 2205, 2507, UNS S32205, UNS S31803, UNS S32760, UNS S32750