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Vertical Multistage Centrifugal Pump

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Negotiable MOQ: 500 Pieces (Price negotiable depending on order volume and customization)
Key Specifications
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Place of Origin:
Zhejiang, China
Brand Name:
Lingxin
Model Number:
QJD
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Zhejiang Lingxin Electromotor Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
ningbo
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Zhejiang, China
Brand Name Lingxin
Model Number QJD
Theory Vacuum Pump
Structure Multistage Pump
Usage Water
Power Electric
Standard or Nonstandard Standard
Fuel Other
Pressure High Pressure

Specifications

vertical multistage centrifugal pump
1.CE, GS, ISO9001:2000, CCC
2.More energy-saving,long durablity,
3.100% sure of head,flo

Structure

NO.

 Description Material
1 bracket cast iron
2 pump base stainless steel
3 inlet fluid director stainless steel 
4 seal gasket Polytetrafluoroethylene
5 sleeve stainless steel
6 impeller stainless steel
7 bearing fluid director stainless steel
8 bearing hard alloy
9 fluid director stainless steel
10 external encloser stainless steel
11 round cover stainless steel
12 outlet fluid director stainless steel
13 mechanical seal hard alloy fluorin rubber
14 dishing spring  stainless steel
15 motor bracket cast iron
16 pump shaft stainless steel
17 protection sheet stainless steel
18 semi-coupling cast steel
19 motor standard vertical motor
20 adjusting screw stainless steel
21 pipe plug stainless steel
22 pull-rod 45# steel
23 pressure adjustor stainless steel

Remarks
All performance curves are based on the measured values when a motor works under power of 380V, at a constant speed of 2900r/min.
The capability of flow and head conforms to ISO9906.
Measurement is done in 20 air-free water of which viscosity is 1mm2 /s.
The operation of pump shall refer to the performance range marked in thickened curve so as to avoid damages caused by over-load.

Minimum inlet pressure:
Figure NPSH curve+mininum safety margin 0.5m delivery head.

The performance of vertical multistage centrifugal pump:

 

Model Diving Motor(kw) Q(m3/h) 5 6 7 8 9 10 11 12
QDL8-20/1 0.75KW H(m) 10 9.5 9.3 9 8.5 8 7 6
QDL8-20 0.75KW 20 19.5 19 18 17 16 14 13
QDL8-30 1.1KW 30 29.5 28.5 27 25 24 21 19
QDL8-40 1.5KW 41 39.5 38 36 34 32 28 26
QDL8-50 2.2KW 52 50 48 45 42 40 36 32
QDL8-60 2.2KW 62 60 57 54 51 48 43 39
QDL8-80 3KW 83 80 77 73 69 65 58 52
QDL8-100 4KW 104 100 97 92 87 81 73 65
QDL8-120 4KW 124 120 116 111 104 92 87 78
QDL8-140 5.5KW 145 141 136 130 122 113 102 92
QDL8-160 5.5KW 166 161 156 148 139 130 118 106
QDL8-180 7.5KW 187 182 175 167 157 146 134 120
QDL8-200 7.5KW 208 202 195 186 175 163 150 135

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Zhejiang Lingxin Electromotor Co., Ltd.
Business Type
Manufacturer, Trading Company
Year Established
1998
Factory Size
5,000-10,000 square meters
Total Employees
101 - 200 People
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