The ASME B16.5 is a standard which has been developed as a set of pointers which could be used by manufacturers in the construction of flanges such as the ANSI B16.5 Stainless Steel Expander Flanges in addition to Flanged Fittings used in a piping system. Usually, these components, including the expander flanges are available in markets in the size range between NPS 1/2 up to NPS 24 Metric/Inch. These pointers covered by the ASME B16.5 standard conventionally include materials used to make the flanges, dimensions, tolerances, pressure-temperature ratings, testing, marking, and methods of designating openings for an Expander weld neck flange. Furthermore, the ASME B16.5 Standard also includes requirements and recommendations pertaining to different parts such as flange gaskets, flange bolting, and flange joints.
ASME B16.5 Expander Flanges
Stainless Steel Expander Flanges
Carbon Steel Expander Flanges
The primary function of Carbon Steel Expander Flanges is to forge connections in a piping system to pumps, pipes, compressors, valves and other equipment. An Expander Flange is a kind of weld Neck flange wherein the nominal size of the non-flanged end of the component is constructed larger in comparison to the nominal size of the flanged end. ASME B16.5 Expander Flanges could be used to change the size of a pipe run. Which means these flanges are a typical sight in those applications where they are regularly used to increase the line size to either the first or the second larger size. The API expander flange is an alternative to using a separate reducer in conjunction with a weld neck flange.
Table of Content
ASME B16.5 Expander Flanges Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
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Expander Flanges Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
Expander Flanges Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
Expander Flanges Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
Most common types of Expander Flanges | forged / Threaded / Screwed / Plate |
Production technique |
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Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove |
Special design | As per your drawing
AS, ANSI, BS, DIN and JIS |
Origin | Indian / West Europe / Japan / USA / Korean |
Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. Expander Flanges: -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange
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Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
ASME / ANSI B16.5 Expander Flanges
ASME / ANSI B16.47 Ser. A Expander Flanges
ASME / ANSI B16.47 Ser. B Expander Flanges
Types of Expander flanges | Price | Unit |
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stainless steel Expander flanges class 150 | $22.45 | NOS |
stainless steel Expander flanges class 300 | $25.39 | NOS |
stainless steel Expander flanges class 600 | $31.19 | NOS |
carbon steel Expander flanges class 150 | $75.89 | NOS |
carbon steel Expander flanges class 300 | $88.12 | NOS |
carbon steel Expander flanges class 600 | $99.52 | NOS |
Expander flanges ansi b16 5 class 150 | $75.56 | NOS |
Expander flanges ansi b16 5 class 300 | $95.56 | NOS |