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Vertical Multistage Centrifugal Pump

QDL/QDLF2 Series QDL/QDLF4 Series QDL/QDLF8 Series QDL/QDLF16 Series QDL/QDLF32 Series

QDL/QDLF4

QDL/QDLF4 1
QDL/QDLF4 1
QDL/QDLF4 2
QDL/QDLF4 2

I Section drawing QDL,QDLF2,4 for Vertical Multistage Centrifugal Pump

I Section drawing QDL,QDLF2,4 for Vertical Multistage Centrifugal Pump
I Section drawing QDL,QDLF2,4 for Vertical Multistage Centrifugal Pump

II Material QDL,QDLF2,4


NO. 		Name Material AISI ASTM NO. Name Material AISI ASTM
1 Electric motor     9 Base frame Cast iron ASTM25B
2 Electric motor frame Cast iron ASTM25B 10 Bearing Tungsten carbide AISI304
3 Mechanical seal     11 Impeller Stainless steel AISI316
4 Outlet Inducer Stainless steel AISI304 12 Shaft Stainless steel AISI304
5 Bearing frame Inducer Stainless steel
l		 AISI304 13 Impeller separating sleeve Stainless steel AISI304
6 Inducer Stainless steel AISI304 14 Pressure-resistant cylinder Stainless steel  
7 Inlet Inducer Stainless steel AISI304 15 Coupling Carbon steel  
8 Pump frame Stainless steel ASTM25B   Rubber parts FPM  

III Performance table for QDL/QDLF4

Model Driving motor(KW) Q (m3/h) 1.5 2.0 3.0 4.0 5.0 6.0 7.0 8.0
QDL4-20 0.37 H (m) 19 18 17 15 13 10 8 6
QDL4-30 0.55 28 27 26 24 20 18 13 10
QDL4-40 0.75 38 36 34 32 27 24 19 13
QDL4-50 1.1 47 45 43 40 34 31 23 17
QDL4-60 1.1 56 54 52 48 41 37 28 20
QDL4-70 1.5 66 63 61 56 48 43 33 24
QDL4-80 1.5 74 72 70 64 55 50 38 27
QDL4-100 2.2 96 90 87 81 71 62 48 34
QDL4-120 2.2 114 108 104 95 85 75 58 41
QDL4-140 3.0 136 126 122 112 101 89 68 48
QDL4-160 3.0 152 144 140 129 115 101 78 55
QDL4-190 4.0 183 171 168 153 137 122 93 67
QDL4-220 4.0 211 200 192 178 160 138 108 79

IV Size and weight for QDL/QDLF4

Model Size(mm) Weight(kg)
B1 B2 B1+B2 D1 D2
QDL4-20 238 210 448 148 117 20
QDL4-30 265 210 475 148 117 20
QDL4-40 297 245 542 170 142 20
QDL4-50 324 245 569 170 142 25
QDL4-60 351 245 596 170 142 25
QDL4-70 395 290 685 190 155 30
QDL4-80 422 290 712 190 155 30
QDL4-100 476 290 766 190 155 30
QDL4-120 530 290 820 190 155 35
QDL4-140 592 315 907 197 165 35
QDL4-160 646 315 961 197 165 40
QDL4-190 727 335 1062 230 188 45
QDL4-220 808 335 1143 230 188 50
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