Stub End Flange manufacturers produce these flanges in three different types i.e. Type A, Type B and Type C. The first one i.e. type A Carbon Steel Stub End Flange has been manufactured and machined in such a manner that it matches a conventional lap joint backing flange. This is because both these components are used in conjunction with each other. The mating surfaces tend to have an identical profile, thus allowing for smooth loading of the flare face. While type B Stainless Steel Stub End Flange is to be used with a traditional slip-on flange.
ASME B16.5 Stub End Flange
Stainless Steel Stub End Flange
Carbon Steel Stub End Flange
Whereas Type C stub end flange can be used either with a lap joint flange or they could be used with a slip-on flange and this category of flanges are manufactured from pipes. The ANSI B16.5 Stub End Flange produced under standard ANSI b16.5 are manufactured in accordance to several parameters such as materials, stub end flange dimensions, marking, pressure-temperature ratings, tolerances, testing, as well as methods used to designate openings for the corresponding pipe flanges and flanged fittings.
Table of Content
ASME B16.5 Stub End Flange Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
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Stub End Flange 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 |
Stub End Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
Stub End Flange 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 Stub End Flange | 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. Stub End Flange: -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 |
NPS | ODMax | ODMin | LPF | SPF | R | G |
1/2 | 0.896 | 0.809 | 3.00 | 2.00 | 0.12 | 1.38 |
3/4 | 1.106 | 1.019 | 3.00 | 2.00 | 0.12 | 1.69 |
1 | 1.376 | 1.284 | 4.00 | 2.00 | 0.12 | 2.00 |
1-1/4 | 1.716 | 1.629 | 4.00 | 2.00 | 0.19 | 2.50 |
11/2 | 1.965 | 1.869 | 4.00 | 2.00 | 0.25 | 2.88 |
2 | 2.456 | 2.344 | 6.00 | 2.50 | 0.31 | 3.62 |
2-1/2 | 2.966 | 2.844 | 6.00 | 2.50 | 0.31 | 4.12 |
3 | 3.596 | 3.469 | 6.00 | 2.50 | 0.38 | 5.00 |
3-1/2 | 4.096 | 3.969 | 6.00 | 3.00 | 0.38 | 5.50 |
4 | 4.593 | 4.469 | 6.00 | 3.00 | 0.44 | 6.19 |
5 | 5.683 | 5.532 | 8.00 | 3.00 | 0.44 | 7.31 |
6 | 6.743 | 6.594 | 8.00 | 3.50 | 0.50 | 8.50 |
8 | 8.743 | 8.594 | 8.00 | 4.00 | 0.50 | 10.62 |
10 | 10.913 | 10.719 | 10.00 | 5.00 | 0.50 | 12.75 |
12 | 12.913 | 12.719 | 10.00 | 6.00 | 0.50 | 15.00 |
NPS | ODMax | ODMin | LPF | SPF | R | G |
14 | 14.170 | 13.969 | 12.00 | 6.00 | 0.50 | 16.25 |
16 | 16.180 | 15.969 | 12.00 | 6.00 | 0.50 | 18.50 |
18 | 18.190 | 17.969 | 12.00 | 6.00 | 0.50 | 21.00 |
20 | 20.240 | 19.969 | 12.00 | 6.00 | 0.50 | 23.00 |
22 | 22.240 | 21.969 | 12.00 | 6.00 | 0.50 | 25.25 |
24 | 24.240 | 23.969 | 12.00 | 6.00 | 0.50 | 27.25 |
Stainless Steel Stub End Flanges | US $0.5-900 / Piece (FOB Price) |
Carbon Steel Stub End Flanges | US $300-400 / Ton (FOB Price) |
Alloy Steel Stub End Flanges | US $1-800 / Piece (FOB Price) |
Hastelloy Steel Stub End Flanges | US $0.5-900 / Piece (FOB Price) |