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|
厚
度
推
荐
表
（上
海
地
区）
|
|
管道表面温度℃
|
30
|
20
|
10
|
0
|
-10
|
-20
|
-30
|
-40
|
-50
|
-60
|
-80
|
-100
|
-120
|
-140
|
-160
|
-196
|
|
公称
直径
（mm）
|
管道
外径
（mm）
|
保
冷
厚
度
（mm）
|
|
15
|
22
|
|
20
|
20
|
25
|
30
|
35
|
40
|
45
|
50
|
50
|
60
|
65
|
70
|
75
|
80
|
85
|
|
20
|
28
|
|
20
|
25
|
30
|
35
|
40
|
45
|
45
|
50
|
55
|
60
|
70
|
75
|
80
|
85
|
90
|
|
25
|
32
|
|
20
|
25
|
30
|
35
|
40
|
45
|
50
|
55
|
60
|
65
|
75
|
80
|
85
|
90
|
95
|
|
32
|
38
|
|
20
|
25
|
30
|
35
|
40
|
45
|
50
|
55
|
60
|
70
|
75
|
80
|
85
|
90
|
100
|
|
40
|
45
|
|
20
|
25
|
35
|
35
|
45
|
50
|
55
|
60
|
65
|
70
|
80
|
85
|
90
|
95
|
100
|
|
50
|
57
|
|
20
|
25
|
35
|
40
|
45
|
50
|
55
|
60
|
65
|
75
|
80
|
90
|
95
|
100
|
110
|
|
65
|
73
|
|
20
|
30
|
35
|
40
|
45
|
55
|
60
|
65
|
70
|
80
|
85
|
95
|
100
|
105
|
115
|
|
80
|
89
|
|
20
|
30
|
35
|
40
|
50
|
55
|
60
|
65
|
70
|
80
|
90
|
100
|
105
|
110
|
120
|
|
100
|
108
|
|
20
|
30
|
40
|
45
|
50
|
55
|
65
|
70
|
75
|
85
|
95
|
100
|
110
|
115
|
125
|
|
125
|
133
|
|
20
|
30
|
40
|
45
|
50
|
60
|
65
|
70
|
80
|
90
|
100
|
105
|
115
|
120
|
130
|
|
150
|
159
|
|
20
|
30
|
40
|
45
|
55
|
60
|
70
|
75
|
80
|
90
|
100
|
110
|
120
|
125
|
135
|
|
200
|
219
|
|
20
|
30
|
40
|
45
|
55
|
65
|
70
|
80
|
85
|
95
|
110
|
120
|
125
|
135
|
145
|
|
250
|
273
|
|
20
|
30
|
45
|
50
|
60
|
65
|
75
|
80
|
90
|
100
|
110
|
120
|
130
|
140
|
150
|
|
300
|
325
|
|
20
|
30
|
45
|
50
|
60
|
65
|
75
|
| | |
