Threaded Sight Glass – NPT-Thread
|
Ring material |
Operating temperature |
|
1.0570 |
-10°C to +300°C |
|
1.4462 |
-30°C to +280°C |
|
2.4602 |
-60°C to +300°C |
|
d2 (Thread) |
SW |
d1 |
d4 |
l |
l1 |
|
¼” NPT |
21 |
9 |
9 |
15 |
11 |
|
3/8” NPT |
24 |
10 |
12 |
22 |
15 |
|
½” NPT |
27 |
14 |
16 |
25 |
15 |
|
¾” NPT |
36 |
18 |
20 |
26 |
16 |
|
1″ NPT |
41 |
22 |
23 |
34 |
19 |
|
1¼” NPT |
50 |
25 |
30 |
30 |
20 |
|
1½” NPT |
55 |
30 |
36 |
36 |
24 |
|
2″ NPT |
70 |
37 |
44 |
38 |
25 |
|
3″ NPT |
100 |
50 |
60 |
55 |
30 |
Contact
Herberts Industrieglas GmbH & Co. KG
Heinz-Fangman-Straße 18
D-42287 Wuppertal
Germany
Service
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