Technical drawing
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Sight Glasses
Flanged Sight Glass
Documents
Product catalog page
PDF 1 page(s) 294 KB EN 01.08.2026
What it does
Sight Glasses
A sight glass is a fitting that allows the presence, direction and general condition of the fluid in a pipeline to be observed visually through a glass window. It is not a measuring instrument and does not indicate flow rate. It is used to confirm whether a pump is delivering, whether the line has been vented, changes in the colour and clarity of the fluid, and condensate return. In flapper (paddle) models a rotating element makes the flow visible even at low rates.
Where it is used
Application areas
- 01 Power Plants
- 02 Chemical - Petrochemical
- 03 Maritime Applications
- 04 Heating - Cooling Systems
- 05 Food
- 06 Mining Applications
- 07 Water - Wastewater
Dimensions
Dimension table
13 rows × 8 columns
← scroll horizontally →
| DN | ØD | Øk | Øg | L | b | Ødxn | KG |
|---|---|---|---|---|---|---|---|
| 15 | 95 | 65 | 46 | 130 | 14 | 14x1 | 2,80 |
| 20 | 105 | 75 | 56 | 150 | 16 | 14x4 | 3,50 |
| 25 | 115 | 85 | 65 | 160 | 16 | 14x4 | 4,30 |
| 32 | 140 | 100 | 76 | 180 | 18 | 18x4 | 6,70 |
| 40 | 150 | 110 | 84 | 200 | 18 | 18x4 | 7,20 |
| 50 | 165 | 125 | 99 | 230 | 20 | 18x4 | 11,50 |
| 65 | 185 | 145 | 118 | 290 | 20 | 18x4 | 17,80 |
| 80 | 200 | 160 | 132 | 310 | 22 | 18x8 | 21,00 |
| 100 | 220 | 180 | 156 | 350 | 24 | 18x8 | 31,20 |
| 125 | 250 | 210 | 184 | 400 | 26 | 18x8 | 39,00 |
| 150 | 285 | 240 | 211 | 480 | 26 | 22x8 | 55,80 |
| 200 | 340 | 295 | 266 | 600 | 30 | 22x12 | 89,00 |
| 250 | 405 | 355 | 319 | 730 | 32 | 26x12 | 98,00 |
Material
Material specifications
| No | Part name (TR) | Part name (EN) | Material |
|---|---|---|---|
| 1 | GÖVDE | BODY | GG25 / AISI304 / AISI316 |
| 2 | KAPAK | COVER | GG25 / AISI304 / AISI316 |
| 3 | CAM | GLASS | SEKURITE |
| 4 | GÖVDE CONTA | BODY SEAL | PTFE |
| 5 | CIVATA | BOLT | 5.6. |
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