Thermal Insulation Fully-welded Ball Valve
Thermal insulation fully-welded ball valve is widely used in natural gas,petroleum, chemical and heating pipes,and has stable performance and long service life.

Main Boundary Connection Dimension
DN50-600mm
| DN(mm) | L | D | DI | D2 | |
| L0 | L | A/B | |||
|---|---|---|---|---|---|
|
50 |
300 |
1000 |
40 |
60.3/57 |
89 |
|
65 |
300 |
1000 |
50 |
76.1/76 |
114 |
|
80 |
300 |
1000 |
65 |
88.9/89 |
140 |
|
100 |
325 |
1000 |
80 |
114.3/108 |
165 |
|
150 |
350 |
1000 |
125 |
168.3/159 |
219 |
|
200 |
400 |
1000 |
150 |
219.1/219 |
267 |
|
250 |
560 |
1000 |
200 |
273.1/273 |
355 |
|
300 |
635 |
1100 |
250 |
323.9/325 |
457 |
|
400 |
760 |
1360 |
337 |
406.4/426 |
558 |
|
500 |
910 |
1510 |
387 |
508.0/530 |
660 |
|
600 |
1065 |
1660 |
489 |
609.6/630 |
812 |
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