機械通風冷卻塔
| 塔型號 | H1 | H2 | H3 | H4 | H5 | B1 | B2 | 進水管管徑DN（mm） |
| GFNS4－1000 | +2.40 | +7.20 | +7.40 | +10.80 | +5.61 | 8600 | 9000 | DN350 |
| GFNS4－1250 | +2.60 | +7.50 | +7.70 | +11.10 | +5.61 | 9400 | 9800 | DN350 |
| GFNS4－1500 | +3.00 | +8.10 | +8.30 | +11.70 | +5.91 | 10400 | 10800 | DN400 |
| GFNS4－2000 | +3.30 | +8.40 | +8.60 | +12.60 | +6.21 | 12000 | 12400 | DN450 |
| GFNS4－2500 | +3.80 | +9.10 | +9.30 | +13.70 | +6.61 | 13600 | 14000 | DN500 |
| GFNS4－3000 | +4.00 | +9.50 | +9.70 | +14.10 | +6.91 | 14800 | 15200 | DN500 |
| GFNS4－3500 | +4.60 | +10.40 | +10.60 | +15.40 | +7.21 | 16000 | 16400 | DN600 |
| GFNS4－4000 | +4.90 | +10.90 | +11.10 | +15.90 | +7.91 | 17000 | 17400 | DN600 |
| GFNS4－4500 | +5.20 | +11.60 | +11.80 | +17.60 | +8.21 | 18000 | 18400 | DN700 |
| GFNS4－5000 | +5.50 | +12.00 | +12.20 | +18.00 | +8.21 | 19000 | 19400 | DN700 |
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