產品概述：
GDL型立式多級管道離心泵是我公司借鑒國外優秀泵型并結合用戶的使用要求，根據JB/TQ6435-92標準設計制造的新一代產品。產品全部采用計算機設計和優化處理，20年中經過不斷的改進和優化，目前已是該泵的第六代改款。該泵吸入、排出口位于同一直線上，可像閥門一樣直接安裝于管路中，使用非常方便。轉子部件由軸、葉輪、葉輪擋套、軸套等零件組成，進水段、中段、出水段用拉緊螺栓聯結。軸封采用機械密封，用平衡室的壓力水進行潤滑和冷卻。廣泛應用于高壓運行系統中冷熱清水的循環和增壓、高層建筑多臺泵并聯供水、消防、鍋爐給水和冷卻水系統及各種沖洗液的輸送等。可生產鑄鐵和不銹鋼兩種材質。不銹鋼材質的型號為GDLF。近年來，因CDL（QDL）系列泵的出現和廣泛應用，該泵的使用面漸窄，但其仍有不可替代的作用。
產品特點：
1、管道式，安裝較為方便。
2、揚程范圍比單級泵大。
3、泵體圓筒為不銹鋼材質，外形美觀。
4、軸封為機械密封，用戶使用得當的話，使用壽命長，而且沒有填料密封滲漏的煩惱。
5、流道經過重新設計，運行的水力噪音不大。
6、立式結構，占地面積小。
型號意義：
| 型號 | 流量 Q (m3/h) | 揚程 H (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 | 2 | 144 | 7.5 | 3 |
| 25GDL2-12*13 | 2 | 156 | 7.5 | 4 |
| 25GDL2-12*14 | 2 | 168 | 7.5 | 4 |
| 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 |
| 25GDL4-11*13 | 4 | 143 | 7.5 | 4 |
| 25GDL4-11*14 | 4 | 154 | 7.5 | 5.5 |
| 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 |
| 40GDL6-12*13 | 6 | 156 | 7.5 | 7.5 |
| 40GDL6-12*14 | 6 | 168 | 7.5 | 7.5 |
| 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 |
| 50GDL12-15*11 | 12 | 165 | 7 | 15 |
| 50GDL12-15*12 | 12 | 180 | 7 | 15 |
| 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 |
| 50GDL18-15*11 | 18 | 165 | 7 | 18.5 |
| 50GDL18-15*12 | 18 | 180 | 7 | 18.5 |
| 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 |
| 65GDL24-12*11 | 24 | 132 | 6 | 15 |
| 65GDL24-12*12 | 24 | 144 | 6 | 18.5 |
| 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 |
| 80GDL36-12*11 | 36 | 132 | 5.5 | 22 |
| 80GDL36-12*12 | 36 | 144 | 5.5 | 22 |
| 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 |
| 80GDL54-14*8 | 54 | 112 | 5 | 30 |
| 80GDL54-14*9 | 54 | 126 | 5 | 30 |
| 80GDL54-14*10 | 54 | 140 | 5 | 37 |
| 80GDL54-14*11 | 54 | 154 | 5 | 45 |
| 80GDL54-14*12 | 54 | 168 | 5 | 45 |
| 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 |
| 100GDL72-14*8 | 72 | 112 | 4.5 | 37 |
| 100GDL72-14*9 | 72 | 126 | 4.5 | 37 |
| 100GDL72-14*10 | 72 | 140 | 4.5 | 45 |
| 100GDL72-14*11 | 72 | 154 | 4.5 | 55 |
| 100GDL72-14*12 | 72 | 168 | 4.5 | 55 |
| 100GDL100-20*2 | 100 | 40 | 4.5 | 18.5 |
| 100GDL100-20*3 | 100 | 60 | 4.5 | 30 |
| 100GDL100-20*4 | 100 | 80 | 4.5 | 37 |
| 100GDL100-20*5 | 100 | 100 | 4.5 | 45 |
| 100GDL100-20*6 | 100 | 120 | 4.5 | 55 |
| 100GDL100-20*7 | 100 | 140 | 4.5 | 75 |
| 100GDL100-20*8 | 100 | 160 | 4.5 | 75 |
| 100GDL100-20*9 | 100 | 180 | 4.5 | 75 |
| 100GDL100-20*10 | 100 | 200 | 4.5 | 90 |
| 100GDL100-20*11 | 100 | 220 | 4.5 | 90 |
| 100GDL100-20*12 | 100 | 240 | 4.5 | 110 |
| 125GDL100-20*2 | 100 | 40 | 4.5 | 18.5 |
| 125GDL100-20*3 | 100 | 60 | 4.5 | 30 |
| 125GDL100-20*4 | 100 | 80 | 4.5 | 37 |
| 125GDL100-20*5 | 100 | 100 | 4.5 | 45 |
| 125GDL100-20*6 | 100 | 120 | 4.5 | 55 |
| 125GDL100-20*7 | 100 | 140 | 4.5 | 75 |
| 125GDL100-20*8 | 100 | 160 | 4.5 | 75 |
| 125GDL100-20*9 | 100 | 180 | 4.5 | 75 |
| 125GDL100-20*10 | 100 | 200 | 4.5 | 90 |
| 150GDL160-20*2 | 160 | 40 | 4.5 | 30 |
| 150GDL160-20*3 | 160 | 60 | 4.5 | 37 |
| 150GDL160-20*4 | 160 | 80 | 4.5 | 55 |
| 150GDL160-20*5 | 160 | 100 | 4.5 | 75 |
| 150GDL160-20*6 | 160 | 120 | 4.5 | 75 |
| 150GDL160-20*7 | 160 | 140 | 4.5 | 90 |
