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J1 type welded pipe support ≤DN150
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There are two types of connection between the upper part of the ordinary pipe support and the pipe: welded type and pipe clamp type.No matter what form of ordinary pipe support, the parts in direct contact with the metal pipe should be of the same material as the pipe.Pipe clamp type pipe brackets used in non-metallic pipes should be equipped with rubber sleeves on the pipe clamps.Sometimes, customers use carbon steel or chromium-molybdenum steel pipe clamp-type pipe brackets to support stainless steel pipes in order to save costs. At this time, stainless steel pads should be entrained on the inside of the pipe clamp.
Referring to the HG/T21629-2021 standard atlas, the basic structure types of ordinary pipe brackets are shown in the table below.
Table of basic structure types of ordinary pipe brackets
Name of pipe support
Code name
Applicable pipe diameter range
Product example
Welded pipe support
J1
DN15〜DN150
48
DN200〜DN600
49
Pipe clamp type pipe support
J2
DN15〜DN65
50
DN80〜DN600
51
Large pipe welded pipe support
J3
DN650〜DN4000
52
Large pipe clamp type pipe support
J4
DN650〜DN1800
53
Clamp type pipe support for non-metallic pipes
MJ1
DN15〜DN65
54
DN80-DN600
55
MJ2
DN650〜DN1800
56
Vertical trunnion of elbow
F2
DN15〜DN1200
57
Shrimp bend support
F18
DN450〜DN2800
58
Ordinary pipe support type representation method:
Example: J3-650-150-450-15CrMo-F means that the diameter of the pipe is DN650, the height of the bottom of the pipe is 150mm, the length of the pipe support is 450mm, the material of the pipe support is 15CrMo, the bottom plate of the pipe support is welded with mirror stainless steel, and the large pipe welded pipe support with PTFE sliding bottom plate.
J1 type welded pipe support ≤DN150
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