J Type Sight Glass
Type: J type - flange connection size according to GB569 mirror liquid flow observer; Model: CB/T422-93 marine liquid flow observer; This standard product is suitable for the medium of water and oil ship pipeline; Pressure range: 0.25Mpa ~ 0.4Mpa; Nominal diameter: DN40 ~ DN100; Valve body material: cast iron, transparent version: ordinary glass, transparent tube: plexiglass. Sight glasses are optical devices used to reflect light to view distant objects and require regular cleaning and maintenance during use to maintain their optical performance and appearance.
Overview
Maintenance methods：
1. Use a clean, soft lens cleaning cloth or special lens paper to wipe the surface of the optic lens, avoid using ordinary paper towels or clothing to avoid scratching the lens.
2. when cleaning the optic lens, you can use a special lens cleaning solution gently sprayed on the surface of the lens, and then gently wipe with a cleaning cloth, avoid dry wiping to prevent scratches.
3. Sight glasses are easily polluted by dust, fingerprints and other contaminants in daily use, it is recommended to clean them regularly to maintain a clear vision.
Drawing:
Picture:
Structure Size | Flange | ||||||||
PN | DN | H | D1 | 〥 | D | D1 | D2 | do | b |
0.4
| 20 | 110 | 20 | 7 | 90 | 65 | 50 | 11 | 14 |
25 | 140 | 25 | 100 | 75 | 60 | ||||
32 | 32 | 120 | 90 | 70 | 14 | 16
| |||
40 | 160 | 40 | 8 | 130 | 100 | 80 | |||
50 | 164 | 50 | 140 | 110 | 90 | ||||
0.25
| 65 | 196 | 65 | 9 | 160 | 130 | 110 | ||
80 | 220 | 80 | 190 | 150 | 128 | 18 | 18 | ||
100 | 250 | 100 | 10 | 210 | 170 | 148 | |||
125 | 280 | 125 | 240 | 200 | 178 | 20 | |||
150 | 310 | 150 | 11 | 265 | 225 | 202 | |||
175 | 338 | 175 | 295 | 255 | 232 | 22 | |||
200 | 370 | 200 | 320 | 280 | 258 | ||||
