Steel Butt Welding Pipe Fittings Concentric Reducer
Concentric Reducer
Material: Carbon Steel, Stainless Steel, Alloy Steel
Technical: Forged and pushing
Connection: Welding
Standard: ANSI, ASME,AP15L,DIN,JIS,BS,GB
Type: 45°and 90°LR/SR Elbow, Reducers, Tee, Bends, Cap, Cross.
Wall Thickness: SCH5-SCH160 XS XXS STD
Surface: Black Paint/Rust-proof Oil/Hot Dipped Galvanized
Angles: 30/45/60/90/180°
Size: 1/2”-80”/DN15-DN2000
Certificate: ISO -9001:2000, API, CCS
Application: Chemical Industry, Petroleum Industry, Construction Industry and Other
Inspection: Factory In-House Check or The Third Party Inspection
Packing: Plywood Pallets/ Wooden Case Or As Per your Specification
ASME B16.9, B16.28
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Pipe Size |
All Fittings |
90 & 45 Elbows and Tees |
Reducers and Lap Joint Stub ends |
Caps |
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Outside Diameter at Bevel, D (1) |
Inside Diameter at End (1) |
Wall Thickness t |
Center-to-End Dimensions A,B,C,M |
Overall Length, F,H |
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Overall Length, E |
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IN |
MM |
IN |
MM |
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IN |
MM |
IN |
MM |
IN |
MM |
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½ ~ 2½ |
+0.06 |
+1.6 |
±0.03 |
±0.8 |
Not Less Than 87.5% of Nominal Thickness |
±0.06 |
±2 |
±0.06 |
±2 |
±0.12 |
±3 |
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-0.03 |
-0.8 |
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3 ~ 2½ |
±0.06 |
±1.6 |
±0.06 |
±1.6 |
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4 |
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5 ~ 8 |
+0.09 |
+2.4 |
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±0.25 |
±6 |
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-0.06 |
-1.6 |
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10 ~ 18 |
+0.16 |
+4.0 |
±0.12 |
±3.2 |
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±0.09 |
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±0.09 |
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-0.12 |
-3.2 |
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20 ~ 24 |
+0.25 -0.19 |
+6.4 -4.8 |
±0.19 |
±4.8 |
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26 ~ 30 |
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±0.12 |
±3 |
±0.19 |
±5 |
±0.38 |
±10 |
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32 ~ 48 |
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±0.19 |
±5 |
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Pipe Size |
Lap Joint Stub Ends (2) |
180 Return Bends |
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Outside Diameter of Lap, G |
Lap Thickness |
Fillet Radius of Lap, R |
Center-to-Center Dimension, O |
Back-to- Face Dimension, K |
Alignment of Ends, U |
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IN |
MM |
IN |
MM |
IN |
MM |
IN |
MM |
IN |
MM |
IN |
MM |
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½ ~ 2½ |
+0 -0.03 |
+0 -1 |
+0.06 -0 |
+1.6 -0 |
+0 -0.03 |
+0 -1 |
±0.25 |
±6 |
±0.25 |
±6 |
±0.03 |
±1 |
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3 ~ 2½ |
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4 |
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+0 -0.06 |
+0 -2 |
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5 ~ 8 |
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10 ~ 18 |
+0 -0.06 |
+0 -2 |
+0.12 -0 |
+3.2 -0 |
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±0.38 |
±10 |
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±0.06 |
±2 |
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20 ~ 24 |
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Pipe Size |
Off Angle, Q |
Off Plane, P |
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IN |
MM |
IN |
MM |
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½ ~ 4 |
± 0.03 |
± 1 |
± 0.06 |
± 2 |
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5 ~ 8 |
± 0.06 |
± 2 |
± 0.12 |
± 4 |
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10 ~ 12 |
± 0.09 |
± 0.19 |
± 5 |
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14 ~ 16 |
± 3 |
± 0.25 |
± 6 |
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18 ~ 24 |
± 0.12 |
± 4 |
± 0.38 |
± 10 |
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26 ~ 30 |
± 0.19 |
± 5 |
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32 ~ 42 |
± 0.50 |
± 13 |
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44 ~ 48 |
± 0.75 |
± 19 |
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NOTES:
Out-of-round is the sum of absolute values of plus and minus tolerances.
Outside diameter of barrel see the table on page 15.
Services
There are two main international pipe flange standards, namely, the European pipe flange system represented by German DIN (including the former Soviet Union) and the American pipe flange system represented by American ANSI pipe flange. In addition, there are Japanese JIS pipe flanges, which are generally only used in public works in petrochemical plants and have little international influence. Now the pipe flanges of various countries are briefly introduced as follows:
1. European system pipe flanges represented by Germany and the former Soviet Union
2. American system pipe flange standard is ANSI B16 5 and ANSI B 16.47
3. British and French pipe flange standards, and the two countries have two casing flange standards respectively.
To sum up, the internationally accepted pipe flange standards can be summarized into two different and non interchangeable pipe flange systems: a European pipe flange system represented by Germany; The other is the American pipe flange system represented by the United States.
Ios7005-1 is a standard issued by the international organization for Standardization in 1992. In fact, this standard is a pipe flange standard formed by combining two sets of pipe flanges from the United States and Germany.
