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| 一、 保冷厚度PIR
|
厚
度
推
荐
表 (北
京
地
区)
|
|
管道表面温度℃
|
12
|
7
|
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
|
10
|
12
|
15
|
19
|
20
|
30
|
30
|
40
|
40
|
40
|
50
|
50
|
50
|
50
|
60
|
|
20
|
28
|
10
|
12
|
15
|
19
|
20
|
30
|
30
|
40
|
40
|
40
|
50
|
50
|
50
|
60
|
60
|
|
25
|
32
|
10
|
12
|
15
|
19
|
30
|
30
|
30
|
40
|
40
|
40
|
50
|
50
|
50
|
60
|
60
|
|
32
|
38
|
10
|
12
|
15
|
20
|
30
|
30
|
40
|
40
|
40
|
60
|
50
|
50
|
60
|
60
|
60
|
|
40
|
45
|
10
|
13
|
15
|
20
|
30
|
30
|
40
|
40
|
40
|
60
|
50
|
60
|
60
|
60
|
60
|
|
50
|
57
|
10
|
13
|
16
|
20
|
30
|
30
|
40
|
50
|
50
|
60
|
60
|
60
|
60
|
60
|
70
|
|
65
|
73
|
11
|
13
|
16
|
20
|
30
|
30
|
40
|
50
|
50
|
60
|
60
|
70
|
70
|
70
|
70
|
|
80
|
89
|
11
|
13
|
16
|
20
|
30
|
30
|
40
|
50
|
50
|
60
|
60
|
70
|
70
|
80
|
80
|
|
100
|
108
|
11
|
14
|
17
|
20
|
30
|
30
|
40
|
50
|
50
|
60
|
60
|
70
|
70
|
80
|
80
|
|
125
|
130
|
11
|
14
|
17
|
20
|
30
|
40
|
40
|
50
|
50
|
60
|
70
|
70
|
80
|
80
|
80
|
|
150
|
159
|
11
|
14
|
17
|
20
|
30
|
40
|
40
|
50
|
50
|
60
|
70
|
70
|
80
|
80
|
80
|
|
200
|
219
|
12
|
14
|
18
|
20
|
30
|
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