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Marine Liquid Flow Observer CB/T422-93 Type J/JS
China Marine Liquid Flow Observer CB/T422-93 Type J/JS:
Marine liquid flow observer is called marine sight glass to observe the flow in the overflow pipe.
Technical Specification:
Design Standard: CB/T422-93, CBM1124-82
Test Standard: GB600
Flange size as per GB569, GB2501, JIS B2220
| Type | Working Pressure (Mpa) | Size (mm) | Suitable Medium | Max working Temperature (℃) |
| J | 0.4 | 40~50 | sea water,fresh water, oil(heavy oil is not included) | 120 |
| 0.25 | 65~100 | |||
| JS | 0.4 | 20~50 | ||
| 0.25 | 65~200 | |||
| T/TS | 0.1 | 25~200 | water, oil in the overflow pipe | 70 |
Main Material:
Body-Cast Iron (HT200)
Transparent Plate-Common Glass or borosilicate glass
Cover-Carbon Steel (Q235A)
Main Size List(mm):
Type J:
| Pressure | Size | Structure Dimension | Thickness | Flange | Bolt | Thickness | Weight | ||||||
| Mpa | DN | H | d1 | δ | D | D1 | D2 | d0 | b | n | Th | δ | kgs |
| 0.4 | 40 | 160 | 40 | 8 | 125 | 93 | 74 | 15 | 16 | 6 | M14 | 6 | 5.6 |
| 50 | 164 | 50 | 135 | 103 | 84 | 6.3 | |||||||
| 0.25 | 65 | 196 | 65 | 9 | 155 | 123 | 104 | 15 | 8 | 11.3 | |||
| 80 | 220 | 80 | 170 | 138 | 118 | 8 | 13.1 | ||||||
| 100 | 250 | 100 | 10 | 190 | 158 | 138 | 16.6 | ||||||
Type JS:
| Pressure | Size | Structure Dimension | Thickness | Flange | Bolt | Thickness | Weight | ||||||
| Mpa | DN | H | d1 | δ | D | D1 | D2 | d0 | b | n | Th | δ | kgs |
| 0.4 | 20 | 110 | 20 | 7 | 90 | 65 | 50 | 11 | 14 | 4 | M10 | 6 | 0.95 |
| 25 | 140 | 25 | 100 | 75 | 60 | 1.43 | |||||||
| 32 | 140 | 32 | 120 | 90 | 70 | 14 | 16 | M12 | 4.64 | ||||
| 40 | 160 | 40 | 8 | 130 | 100 | 80 | 6.22 | ||||||
| 50 | 264 | 50 | 140 | 110 | 90 | 6.95 | |||||||
| 0.25 | 65 | 196 | 65 | 9 | 160 | 130 | 110 | 8 | 12.11 | ||||
| 80 | 220 | 80 | 190 | 150 | 128 | 18 | 18 | M16 | 14.14 | ||||
| 100 | 250 | 100 | 10 | 210 | 170 | 148 | 18.41 | ||||||
| 125 | 280 | 125 | 240 | 200 | 178 | 20 | 8 | 10 | 25.3 | ||||
| 150 | 310 | 150 | 11 | 265 | 225 | 202 | 29.34 | ||||||
| 200 | 370 | 200 | 320 | 280 | 258 | 22 | 12 | 31.25 | |||||