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High Pressure Horizontal Boiler Feed Multistage Pump
1.Multi-stage Pump Introduction:
QD, QDG series Horizontal Boiler Feed Water Pump.High Pressure Multistage Pump
Description: QD, QDG series centrifugal multistage pumps and QDL series vertical multistage centrifugal pumps are multiple single stage impeller combined together makes head high.
They are used for pure water and liquids with concentration less than 1%, particles smaller than 0.1mm, or liquids similar to water in physico-chemical property. QD series pump's medium temperature can not exceed 80ºC, QDG series can not exceed 150ºC. Head: 76-1080m, flow rate: 3-600m3/h.
We can use different materials of HT200, QT500, ZG500 stainless steel etc by different medium.
1) Easy installation and move;
2) Pump body support by anchor assure the stable structure and maximum resistance off-center and distortion caused by line load;
3) No overload design, make sure performance operate stably;
4) Adopt national standard hydraulic model make sure high operation efficiency and good anti-cavitation performance;
5) Packing seal and mechanical seal are available.
2.Multistage pump range of application (pressure of inlet&outlet under 0.6MPa)
Suitalbe for mine, city Water Supply and Sewerage Engineering
Transfer watery liquid medium, without solid particle, temperature under 80°C
Suitable for boiler water feed or deliver medium similar with hot water, without solid particle, temperature below 105°C Suitable for stain steel, mine, sewage transferring process.
Transfer mine water with solid partical content under 1.5% or similar sewage, temperature under 80°C
Suitable for transferring Corrosive liquid without solid partical, temperature between -20°C~105°C
Suitable for transferring Oil and petroleum products without solid partical, temperature between -20°C~150°C, viscosity under 120cSt
Multistage pump Applications List
Air-conditioning system
Cooling system
Industrial cleaning
Water treatment(Water purification)
Aquiculture
Fertilizing / metering system
Environmental application
Other special applications
3. Multistage pump Technical Specifications
Type |
QD(G) |
Capacity (m3/h) |
120-1100 |
Head (m) |
967-2500 |
Speed (r/min) |
2980-5410 |
Eff.(%) |
68-86 |
NPSHr (m) |
4.5-23.5 |
Power (kw) |
710-8000 |
4. Multistage pump Feature
1, Easy maintenance: horizontal structure, inlet & outlet at the same level, can be installed in any position and any direction, it is very easy whatever maintenance or installation.
2, No water pollution: the keyflow passage components are made of stainless steel after stamping, which has good characteristics of light weight, clean, health, it is a perfect water pump of environmental protection, energy-saving.
3, low operating cost, the main flow passage components are made of stainless steel after stamping, smooth flow passage components, which has good characteristics of high efficiency, less loss, low rate of failure, longer service life
4, motor: the Aluminum Alloy motor has good characteristics of light weight, small volume, good heat dissipation, good appearance, longer service life, high efficiency and low noise, etc.
5.Advantages
Over 20 years experience in pumps
Wear resistant material
Specialized Test Equipment
Anti-rust treatment casting
6. Multistage Pump show
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