NEWS CENTER
Pressure tube|Pressure tubing
What is Pressure Tube?
A pressure tube is a crucial component utilized in engineering and industrial setups, particularly in systems dealing with fluid or gas flow under pressure. Its essentially a hollow cylindrical structure designed to confine and direct fluids or gases while enduring the internal pressure they exert.
1. Piping Systems: Pressure tubes are fundamental in piping systems for transporting liquids or gases across industries like oil and gas, chemical processing, power generation, and water treatment.
2. Heat Exchangers: They facilitate heat transfer between fluids in various equipment such as boilers, condensers, and refrigeration systems.
3. Nuclear Reactors: In nuclear power plants, pressure tubes contain and guide coolant (like heavy water or pressurized water) through the reactor core, where it absorbs heat generated by nuclear fission.
4. Hydraulic Systems: Essential in hydraulic systems, these tubes carry hydraulic fluid under pressure to power and control machinery.
Constructed from materials like steel, stainless steel, copper, or alloys, pressure tubes are chosen for their strength, durability, and resistance to corrosion and high temperatures. They come in various sizes and thicknesses tailored to specific applications and pressure requirements. Additionally, pressure tubes are typically equipped with fittings, valves, and other components to regulate and control fluid or gas flow within the system.
Pressure Tube Name, Standard and Material Grade
|
TRADE NAME |
WELDED ASTM/ASME |
SEAMLESS ASTM/ASME |
|
Carbon and Alloy |
A/SA-214, A/SA-178 (A, C, D) |
A/SA-179, A/SA-192, A/SA-213 (T5, T9, T11, T22) |
|
Low-Temp Carbon |
A/SA-334 (1, 3, 6, 7, 8, 9, 11) |
A/SA-334 (1, 3, 6, 7, 8, 9, 11) |
|
Seamless Medium Carbon |
|
A/SA-210 (A-1, C) |
|
Carbon Feedwater Heater |
|
A/SA-213 (T11, T22), A/SA-556 (A2, B2, C2) |
|
Austenitic Stainless |
A/SA-249 (TP 304, 304L, 309, 310, 316, 316L, 317, 321, 347), A/SA 688 |
A/SA-213 (TP 304, 304L, 309, 310, 316, 316L, 317, 321, 347) |
|
Ferritic Stainless |
A/SA-268 (TP 409, 430, 439, 410), A/SA 803 |
A/SA-268 (TP 409, 430, 439) |
|
Superferritic |
A/SA-268, AL29-4C®, 446-Mod |
|
|
Duplex Stainless |
A/SA-789, LDX 2101®, ATI 2003®, 2102™, 2205, 2507 |
A-789, 2205, 2507 |
|
Titanium |
B-338 (1, 2, 7, 12, 16) |
B-338 (1, 2, 7, 12, 16) |
|
Alloy C276 |
B-626 |
B-622 |
|
Admiralty 443 Brass |
B-543 |
B-111 |
|
90/10 Cu-Ni |
B-543 |
B-111 |
|
70/30 Cu-Ni |
B-543 |
B-111 |
|
Alloy 825 |
B-704 |
B-163 |
|
Alloy 800 |
B-515 |
B-163 |
|
Alloy 625 |
B-704 |
B-444 |
|
Alloy 600 |
B-516 |
B-163 |
|
Alloy 400 |
B-730 |
B-163 |
|
Alloy 200 |
B-730 |
B-163 |
|
Alloy 20 |
B-468 |
B-729 |
Pressure Tubing Range of Sizes,
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OUTSIDE DIAMETER |
WALL THICKNESS |
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mm |
1.2 |
1.5 |
1.7 |
1.8 |
2.1 |
2.4 |
2.7 |
2.8 |
3.0 |
3.4 |
3.8 |
4.0 |
4.2 |
4.8 |
5.2 |
5.6 |
6.4 |
7.1 |
8.0 |
8.3 |
8.7 |
9.5 |
11.1 |
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in |
0.049 |
0.060 |
0.065 |
0.072 |
0.083 |
0.095 |
0.105 |
0.109 |
0.120 |
0.134 |
0.150 |
0.156 |
0.165 |
0.180 |
0.203 |
0.219 |
0.250 |
0.281 |
0.313 |
0.325 |
0.344 |
0.375 |
0.438 |
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12.7 |
0.500 |
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15.9 |
0.625 |
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19.1 |
0.750 |
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22.2 |
0.875 |
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25.4 |
1.000 |
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31.8 |
1.250 |
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38.1 |
1.500 |
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41.3 |
1.625 |
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42.2 |
1.660 |
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44.5 |
1.750 |
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48.3 |
1.900 |
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50.8 |
2.000 |
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57.2 |
2.250 |
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60.3 |
2.375 |
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63.5 |
2.500 |
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69.9 |
2.750 |
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73.0 |
2.875 |
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76.2 |
3.000 |
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82.6 |
3.250 |
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88.9 |
3.500 |
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101.6 |
4.000 |
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114.3 |
4.500 |
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127.0 |
5.000 |
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139.7 |
5.500 |
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Pressure tube|Pressure tubing
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