Diesel Engine Centrifugal Split Case Double Suction Pump

Model NO.: QS
Power: Electric
Start Up: Electric Pump
Type: Blade Pump
Application: Clarified Water Pump, Sewage Pump, Slurry Pump, Oil Transfer Pump, Chemical Pump
Industry: Agriculture
Media: Sea Water Pump
Performance: No Leakage Pump
Theory: Centrifugal Pump
Brand Name: an Pump
Size: 6"-48"
Head: 8-108m
Fuel: Diesel
Frequency: 50Hz/60Hz
Driven: Motor, Diesel Engine
Shaft Seal: Gland Seal and Mechanical Sealing
Color: Yellow, Blue, Green etc
Place of Origin: Hebei, China
OEM Service: Available
Trademark: An Pump
Transport Package: Export Standard Wooden Case
Specification: SGS/ISO/CE/BV
Origin: Hebei, China
HS Code: 8413709990
                    Diesel Engine Centrifugal Split Case Double Suction Pump

Overview 
Model QS Horizontal split case pump is a single-stage double-suction horizontal split centrifugal pump and used to transport pure water and the liquid of both physical and chemical nature similar to those of water, the maximum temperature of which must not be over 80ºC , suitable for water supply and drainage in factories, mines, cities and electric stations, waterlogged land drainage and irrigation of farming land and carious hydraulic projects.
 
Application
Aerospace                      Oil & Gas
Building industry                Power Station
Chemical                       Petro-Chemical
General Industry                Pharmaceutical
Marine                         Pulp & Paper
Mining & Aggregate            Water & Waste water

Diesel Agricultural Pressure Large Diameter Centrifugal Irrigation Pump
 
Industry  Plumbing Applications
General water supply Circulation of HVAC building systems, water booster service, boiler feed, general circulation service and more.
Agriculture / Food / Beverage Irrigation, water supply, food processing beverage processing, fertilizers.
Manufacturing Pulp and paper fans, plastic & rubber, metal & steel, pharmaceutical, paper mills, air wash, marine ballast service. 
Fire / Disaster Relief Fire pumps, fire protection, flood control, disaster relief, federal / military.
Utilities : Water / Wastewater Power Generation stations, dewatering, desalination, energy recovery turbines
Chemical / Mining Chemical plants, refineries, petroleum distribution, coal sites, ethylene glycol pumping.

Advantages 
20 years in producing
Independent Design
advanced technology from Australia, Canada, America
Specialized Test Equipment
Anti-rust treatment casting
Supply reasonable suggestion for choosing pumps
OEM available


Pump Structure
Diesel Agricultural Pressure Large Diameter Centrifugal Irrigation Pump 
1.Casing for Centrifugal horizontal Large flow pump farming irrigation equipment 
The volute casing is split on the horizontal centerline with the suction and discharge nozzle cast integral with the pump casing. The upper casing is accurately located on the lower half by the use of dowel pins. The upper casing can be removed to inspect the interior of the pump without disturbing the pipe connections or pump alignment. The suction and discharge flanges contain tapped holes for vacuum and pressure gauge. At the bottom of the flanges, there are tapped plugs for water drainage. 
2. Impeller
The impeller is static-balance calibrated, fixed with the muff and the muff nuts in both sides and its axial position can be adjusted via the nuts and axial force gets balanced by means of the symmetrical arrangement of its blades, there may be residual axial force which is borne by the bearing at the axle end.
3. Shaft
The pump shaft is supported by two single-column centripetal ball bearings, which are mounted inside of the bearing body on both ends of the pump and lubricated with grease. The dual-suction seal ring is used to reduce the leak at the impeller
4. Seal Type
There is gland seal type and mechanical seal type.

 
Direction 
The Horizontal large volume double suction axially spilt casing centrifugal pump moves CW viewing from the clutch to it. The pump moving CCW can also be produced.
  
Materials 
Irrigation pump general material is cast iron, main include pump casing, pump cover, impeller, seal ring and shaft sleeve, shaft is carbon steel. We could also produce as your requirements, such as nodular cast iron, cast steel, bronze and stainless steel etc.


 Pump performance:
Model
QS
Flow rate
(m3/h)
Head
(m)
Speed
(rpm)
Power
(KW)
QS150 110~220 35~84 2900 30~55
QS200 160~351 31~100 2900 37~110
QS250 324~612 8.6~71 1450 22~132
QS300 504~972 8~98 1450 30~300
QS350 745~1663 10~140 1450 55~680
QS400 900~1620 32~98 980~1480 155~500
QS500 1150~2450 10.6~108 740~970 110~800
QS600 2304~4000 13~80 730~970 185~900
QS700 2111~4896 39.5~99.5 740~980 560~1250
QS800 3960~7200 23.5~84 600~740 450~1600
QS1000 6000~9900 32~52 600~990 1250
QS1200 5832~14400 6~95.7 500~745 710~3450


RFQ:
There only a part of the mechanical power of the centrifugal pump getting from the driver equipment, convert to the centrifugal power and then delivered to the liquid power. The another part was loss. The reasons are below:
1. Hydraulic loss: Created for the liquid impact, vortex and friction in the pump. The impact and vortex hydraulic loss is because of the the liquid change the flow direction. Besides, when the liquid flow, it will have friction when meet the pump passageway.This kind of loss depend on the length, volume, shape, and surface roughness of the passageway and the liquid flow speed and other character.
2. Volume loss: It resulted for the powered liquid will channeling are leakage. The general pump volume efficiency is 0.93~0.98%. Improve the seal ring and shaft seal construction, can reduce the volume loss and increase the volume efficiency.
3. Mechanical loss: It is caused by the friction of liquid and impeller plate surface, also named dick friction loss of impeller, and the pump shaft friction when rotated in the packing, bearing, balancing parts and other mechanical parts. 

Diesel Engine Centrifugal Split Case Double Suction Pump

Diesel Engine Centrifugal Split Case Double Suction Pump

 

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