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1.Overview
The high-pressure straight pipe is made of high-quality alloy steel and the end is connecled by the union. Its specifications have 2", 3" and 4" and cold working pressure is 42MPa to 105MPa(6000psi-15000psi). The high-pressure straight pipe includes ordinary integral type, integral type with shoulders and split type high-pressure straight pipes. The length depends on the demand of clients.
2.Structure of high-pressure straight pipe
Integral high-pressure straight pipe with shoulders;
The ordinary integral high-pressure straight pipe is widely used in the country because of its simple structure and convenient use.
Technical data of integral high-pressure straight pipe are shown in the following table
|
Size |
Connection type |
Cold working pressure |
3ft |
4ft |
5ft |
6ft |
8ft |
10ft |
12ft |
|
2＂ |
Ft1502 |
15000Psi |
18.6 |
22.7 |
26.3 |
30.4 |
38.1 |
45.8 |
53.5 |
|
3＂ |
Ft1502 |
15000Psi |
33.1 |
41.3 |
49 |
56.7 |
72.6 |
88.5 |
|
|
4＂ |
Ft1502 |
10000Psi |
|
93 |
112 |
130.5 |
168 |
206 |
|
Split-type high-pressure straight pipe is popular in the United States or countries that habitually use American products.
Integral high-pressure straight pipe with shoulders is installed at one end of the three-jaw nut. Specially designed shoulder (see the left end of the picture above), can make the three-jaw nut not fall off or slide down to ensure its use safer. At present, integral high-pressure straight pipe with shoulders are becoming more and more widely used.
