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LIFENG ELECTRIC APPLIANCESAdd:Zhejiang Province Economic Development Zone of Ruian Yu Meng Lu No. 998 Tel:+86 577-65607533Fax:+86 577-65607508Email:lifeng998@chinalifeng.net |  | 
      
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| No. | Model | OD | Elevated station | Bore | Length | pieces | Remarks |  
| 31 | QZQB-RL31-31 | Ф35.6 | Ф45.2 | Ф14 +0.04+0.02
 | 44/40 | 23 |  |  
| 32 | QZQB-RL31-32 | Ф39.5 | Ф61.3 | Ф15.5 +0.0330
 | 52/43.1 | 21 |  |  
| 33 | QZQB-RL31-33 | Ф32.5 | Ф45 | Ф13 +0.0270
 | 36/32.8 | 23 |  |  
| 34 | QZQB-RL31-33A | Ф32.5 | Ф45 | Ф13 +0.0270
 | 36/32.8 | 23 |  |  
| 35 | QZQB-RL31-34 | Ф38.5 | Ф55.5 | Ф14 +0.0270
 | 40/34.4 | 23 |  |  
| 36 | QZQB-RL31-35 | Ф37 | Ф47.5 | Ф13.7 +0.0270
 | 43/38 | 23 |  |  
| 37 | QZQA-RL31-36 | Ф42.3 | Ф50 | Ф18 +0.043-0
 | 33/31 | 21 |  |  
| 38 | QZQB-RL31-37 | Ф36.9 | Ф48.9 | Ф16.1 +0.027-0
 | 33/28.5 | 27 |  |  
| 39 | QZQB-RL31-37A | Ф36.9 | Ф48.9 | Ф16.1 +0.027-0
 | 33/28.5 | 27 |  |  
| 40 | QZQB-RL31-38 | Ф37 | Ф48.6 | Ф14.925 +0.05+0.025
 | 47/37.8 | 23 |  |  
| 41 | QZQB-RL31-38A | Ф37 | Ф48.6 | Ф14.925 +0.05+0.025
 | 47/37.8 | 23 |  |  
| 42 | QZQB-RL31-39 | Ф39.5 | Ф60 | Ф15.5 +0.0210
 | 49/43.8 | 21 |  |  
| 43 | QZQB-RL31-40 | Ф33 | Ф46 | Ф12 +0.029+0.011
 | 33/30 | 23 |  |  
| 44 | QZQB-RL31-41 | Ф32.5 | Ф44.5 | Ф12 +0.064+0.04
 | 39.5/37 | 23 |  |  
| 45 | QZQB-RL31-41A | Ф32.5 | Ф44.5 | Ф12 +0.064+0.04
 | 39.5/38 | 23 |  |  
| 46 | QZQB-RL31-42 | Ф42.2 | Ф54 | Ф19 +0.0250
 | 27.5/24.5 | 29 |  |  
| 47 | QZQB-RL31-44 | Ф37 | Ф50.1 | Ф14.925 +0.05+0.025
 | 40/37.2 | 23 |  |  
| 48 | QZQB-RL31-45 | Ф33 | Ф46 | Ф12 +0.029+0.011
 | 30/28.5 | 25 |  |  
| 49 | QZQB-RL31-45A | Ф33 | Ф46 | Ф12 +0.029+0.011
 | 30/27 | 25 |  |  
| 50 | QZQB-RL31-46 | Ф37 | Ф50.1 | Ф14.925 +0.05+0.025
 | 40/37.2 | 23 |  |  
| 51 | QZQB-RL31-47 | Ф37 | Ф47.5 | Ф16.4 +0.04+0.02
 | 33/30 | 27 |  |  
| 52 | QZQB-RL31-48 | Ф37 | Ф50.1 | Ф14.925 +0.05+0.025
 | 40/37.2 | 23 |  |  
| 53 | QZQB-RL31-49 | Ф36.6 | Ф41.5 | Ф14 +0.04+0.02
 | 42/38 | 23 |  |  
| 54 | QZQB-RL31-50 | Ф27.6 | Ф39.8 | Ф15.3 +0.20
 | 27.9/24.9 | 23 |  |  
| 55 | QZQB-RL31-51 | Ф40.5 | Ф41.5 | Ф15 0-0.02
 | 37.5/35 | 23 |  |  
| 56 | QZQB-RL31-51A | Ф40.5 | Ф41.5 | Ф15 0-0.02
 | 37.5/35 | 23 |  |  
| 57 | QZQB-RL31-51B | Ф39.3 | Ф41.5 | Ф15 +0.05+0.03
 | 37.5/35.5 | 23 |  |  
| 58 | QZQB-RL31-52 | Ф34.5 | Ф35.5 | Ф13 0-0.02
 | 35.5/34 | 23 |  |  
| 59 | QZQB-RL31-53 | Ф38.4 | Ф39 | Ф16 +0.04+0.02
 | 33/30 | 27 |  |  
| 60 | QZQA-RL31-54 | Ф40.8 | Ф54.4 | Ф18 +0.03-0
 | 37/34 | 27 |  |  |  |