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Flow sight glass type 550 PN 10/40 - DIN 11869 (old DIN 3237)
SKU: MG-550
Type 550 flow sight glass, similar to DIN 11869, with flanged connections according to DIN EN 1092-1, made of 1.4408 stainless steel and borosilicate glass.
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Type 550 flow sight glass, similar to DIN 11869, with flanged connections according to DIN EN 1092-1, made of 1.4408 stainless steel and borosilicate glass.
Technical data
Drawing & dimensions

Flow sight glass type 550 PN 10/40 - DIN 11869 (old DIN 3237)
| Dimension | DN 15 | DN 20 | DN 25 | DN 32 | DN 40 | DN 50 | DN 65 | DN 80 | DN 100 | DN 125 | DN 150 | DN 200 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D (PN10) | 95 | 105 | 115 | 140 | 150 | 165 | 185 | 200 | 220 | 250 | 285 | 340 |
| D (PN16) | 95 | 105 | 115 | 140 | 150 | 165 | 185 | 200 | 220 | 250 | 285 | 340 |
| D (PN25) | 95 | 105 | 115 | 140 | 150 | 165 | 185 | 200 | 235 | 270 | 300 | - |
| D (PN40) | 95 | 105 | 115 | 140 | 150 | 165 | 185 | 200 | 235 | 270 | 300 | - |
| BL | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 |
| D1 | 32 | 32 | 48 | 48 | 65 | 80 | 80 | 100 | 125 | 150 | 175 | 175 |
* All dimensions in mm unless specified.
- 1) According to DIN 11869
Quick overview
Nominal sizes DN
15 · 20 · 25 · 32 · 40 · 50 · 65 · 80 · 100 · 125 · 150 · 200
Nominal pressure PN
10 · 16 · 25 · 40
Temperature
80°C · 130°C · 150°C · 175°C · 180°C · 200°C · 280°C · 300°C · 320°C · 400°C
