GDL型立式多級管道泵采用葉輪多級對稱布置，以水力平衡消除軸向力，提高了泵的運行平穩性，軸封選用耐磨機械密封，泵進出口在下方成一字形，安裝條件優于DL泵，適合于流量小、揚程高、多臺泵并聯使用.
GDL型立式多級管道泵具有外形美觀、無泄漏、性能穩定、占地面積小、安裝方便、使用壽命長等優點。
，適用于高壓運行系統中冷熱水的循環和增壓、高層建筑多臺泵并聯供水、鍋爐給水和冷卻水系統及各種沖洗水的輸送。
介質溫度：-15攝氏度--120攝氏度；流量范圍為1.1--192m3/h；揚程范圍為22--230m；配套功率范圍為1.1--132kw，口徑范圍為φ25--φ150mm.
型號意義:
| GDL型立式多級泵主要性能參數表 | ||||||||
| 型號 | 流量(m3/h) | 揚程(m) | 吸程(m) | 電機功率(kw) | ||||
| 25GDL2-12*3 | 2 | 36 | 7.5 | 1.1 | ||||
| 25GDL2-12*4 | 2 | 48 | 7.5 | 1.1 | ||||
| 25GDL2-12*5 | 2 | 60 | 7.5 | 1.5 | ||||
| 25GDL2-12*6 | 2 | 72 | 7.5 | 1.5 | ||||
| 25GDL2-12*7 | 2 | 84 | 7.5 | 2.2 | ||||
| 25GDL2-12*8 | 2 | 96 | 7.5 | 2.2 | ||||
| 25GDL2-12*9 | 2 | 108 | 7.5 | 2.2 | ||||
| 25GDL2-12*10 | 2 | 120 | 7.5 | 3 | ||||
| 25GDL2-12*11 | 2 | 132 | 7.5 | 3 | ||||
| 25GDL2-12*12 | 4 | 144 | 7.5 | 3 | ||||
| 25GDL4-11*3 | 4 | 33 | 7.5 | 1.1 | ||||
| 25GDL4-11*4 | 4 | 44 | 7.5 | 1.5 | ||||
| 25GDL4-11*5 | 4 | 55 | 7.5 | 2.2 | ||||
| 25GDL4-11*6 | 4 | 66 | 7.5 | 2.2 | ||||
| 25GDL4-11*7 | 4 | 77 | 7.5 | 3 | ||||
| 25GDL4-11*8 | 4 | 88 | 7.5 | 3 | ||||
| 25GDL4-11*9 | 4 | 99 | 7.5 | 3 | ||||
| 25GDL4-11*10 | 4 | 110 | 7.5 | 4 | ||||
| 25GDL4-11*11 | 4 | 121 | 7.5 | 4 | ||||
| 25GDL4-11*12 | 4 | 132 | 7.5 | 4 | ||||
| 40GDL6-12*3 | 6 | 36 | 7.5 | 1.5 | ||||
| 40GDL6-12*4 | 6 | 48 | 7.5 | 2.2 | ||||
| 40GDL6-12*5 | 6 | 60 | 7.5 | 2.2 | ||||
| 40GDL6-12*6 | 6 | 72 | 7.5 | 3 | ||||
| 40GDL6-12*7 | 6 | 84 | 7.5 | 3 | ||||
| 40GDL6-12*8 | 6 | 96 | 7.5 | 4 | ||||
| 40GDL6-12*9 | 6 | 108 | 7.5 | 4 | ||||
| 40GDL6-12*10 | 6 | 120 | 7.5 | 4 | ||||
| 40GDL6-12*11 | 6 | 132 | 7.5 | 5.5 | ||||
| 40GDL6-12*12 | 6 | 144 | 7.5 | 5.5 | ||||
| 50GDL12-15*2 | 12 | 30 | 7 | 2.2 | ||||
| 50GDL12-15*3 | 12 | 45 | 7 | 3 | ||||
| 50GDL12-15*4 | 12 | 60 | 7 | 4 | ||||
| 50GDL12-15*5 | 12 | 75 | 7 | 5.5 | ||||
| 50GDL12-15*6 | 12 | 90 | 7 | 5.5 | ||||
| 50GDL12-15*7 | 12 | 105 | 7 | 7.5 | ||||
| 50GDL12-15*8 | 12 | 120 | 7 | 7.5 | ||||
| 50GDL12-15*9 | 12 | 135 | 7 | 11 | ||||
| 50GDL12-15*10 | 12 | 150 | 7 | 11 | ||||
| 50GDL18-15*2 | 18 | 30 | 7 | 3 | ||||
| 50GDL18-15*3 | 18 | 45 | 7 | 4 | ||||
| 50GDL18-15*4 | 18 | 60 | 7 | 5.5 | ||||
| 50GDL18-15*5 | 18 | 75 | 7 | 7.5 | ||||
| 50GDL18-15*6 | 18 | 90 | 7 | 7.5 | ||||
| 50GDL18-15*7 | 18 | 105 | 7 | 11 | ||||
| 50GDL18-15*8 | 18 | 120 | 7 | 11 | ||||
| 50GDL18-15*9 | 18 | 135 | 7 | 15 | ||||
| 50GDL18-15*10 | 18 | 150 | 7 | 15 | ||||
| 65GDL24-12*2 | 24 | 24 | 6 | 3 | ||||
| 65GDL24-12*3 | 24 | 36 | 6 | 4 | ||||
| 65GDL24-12*4 | 24 | 48 | 6 | 5.5 | ||||
| 65GDL24-12*5 | 24 | 60 | 6 | 7.5 | ||||
| 65GDL24-12*6 | 24 | 72 | 6 | 7.5 | ||||
| 65GDL24-12*7 | 24 | 84 | 6 | 11 | ||||
| 65GDL24-12*8 | 24 | 96 | 6 | 11 | ||||
| 65GDL24-12*9 | 24 | 108 | 6 | 15 | ||||
| 65GDL24-12*10 | 24 | 120 | 6 | 15 | ||||
| 80GDL36-12*2 | 36 | 24 | 5.5 | 4 | ||||
| 80GDL36-12*3 | 36 | 36 | 5.5 | 5.5 | ||||
| 80GDL36-12*4 | 36 | 48 | 5.5 | 7.5 | ||||
| 80GDL36-12*5 | 36 | 60 | 5.5 | 11 | ||||
| 80GDL36-12*6 | 36 | 72 | 5.5 | 11 | ||||
| 80GDL36-12*7 | 36 | 84 | 5.5 | 15 | ||||
| 80GDL36-12*8 | 36 | 96 | 5.5 | 15 | ||||
| 80GDL36-12*9 | 36 | 108 | 5.5 | 18.5 | ||||
| 80GDL36-12*10 | 36 | 120 | 5.5 | 18.5 | ||||
| 80GDL54-14*2 | 54 | 28 | 5 | 7.5 | ||||
| 80GDL54-14*3 | 54 | 42 | 5 | 11 | ||||
| 80GDL54-14*4 | 54 | 56 | 5 | 15 | ||||
| 80GDL54-14*5 | 54 | 70 | 5 | 18.5 | ||||
| 80GDL54-14*6 | 54 | 84 | 5 | 18.5 | ||||
| 80GDL54-14*7 | 54 | 98 | 5 | 22 | ||||
| 100GDL72-14*2 | 72 | 28 | 4.5 | 11 | ||||
| 100GDL72-14*3 | 72 | 42 | 4.5 | 15 | ||||
| 100GDL72-14*4 | 72 | 56 | 4.5 | 18.5 | ||||
| 100GDL72-14*5 | 72 | 70 | 4.5 | 22 | ||||
| 100GDL72-14*6 | 72 | 74 | 4.5 | 30 | ||||
| 100GDL72-14*7 | 72 | 98 | 4.5 | 30 | ||||
