QDT Low-speed Flow Propeller

Power: 1.5~7.5kW

Speed: 36~135r/min

Diameter: 1000~2500mm

Thrust: 696~4275N

Current: 4~30A

Medium Temperature: <40°C

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Product Overview
Product Structure
Application
Technical Data

Product Introduction of QDT low-speed flow propeller
Model QDT low-speed flow propeller is extensively used for the flow propelling in the oxidizing ditches in the technological process of the water treatment, agitation in various types of bio-chemical tanks and also used in the mixing and flow propelling for freezing prevention in the rivers, landscape water cycling and so on. The low-speed flow propeller consists of the submersible motor, speed-reducing device, vanes, installation system, etc. The product is characterized by low power (1.5~7.5KW), low rotational speed (36~135rpm), large diameter of the vanes (1000~2500mm), low-speed rotation, production of large-volume flow field and wide scope of service. The swept-back, banana-shaped vanes have the self-cleaning function, being shaped with the use of PU or aluminum alloy through precision casting and having such advantages as light weight, high strength, good resistance against corrosion and so on. Its excellent frictional property can ensure the production of the good damping effect with relation to liquid under the moving state of low rotational speed so as to create the gentle water flow. The series of products have also，the mixing function apart from the flow propelling and creation of water flow as shown in the drawing.

1. Performance curve

2. Specifications

Model	Power (kw)	Rated current (A)	Rpm of propeller (r/min)	Diameter of propeller (mm)	Thrust (N)	Weight(kg)
QDT1.5/4-1100/2-85/P	1.5	4	85	1000	1780	170
QDT3/4-1100/2-135/P	3	6.8	135	1100	2410	170
QDT1.5/4-1400/2-36/P	1.5	4	36	1400	696	180
QDT2.2/4-1400/2-42/P	2.2	4.9	42	1400	854	180
QDT2.2/4-1600/2-36/P	2.2	4.9	36	1600	1058	190
QDT3/4-1600/2-52/P	3	6.8	52	1600	1386	190
QDT1.5/4-1800/2-42/P	1.5	4	42	1800	1480	198
QDT3/4-1800/2-52/P	3	6.8	52	1800	1946	198
QDT4/4-1800/2-63/P	4	9	63	1800	2750	198
QDT2.2/4-2000/2-36/P	2.2	4.9	36	2000	1459	200
QDT4/4-2000/2-52/P	4	9	52	2000	1960	200
QDT4/4-2200/2-52/P	4	9	52	2200	1986	220
QDT5/4-2200/2-63/P	5	11	63	2200	2380	230
QDT1.3/4-2500/2-36/P	3	6.8	36	2500	2380	230
QDT4/4-2500/2-42/P	4	9	42	2500	2350	250
QDT5/4-2500/2-52/P	5	11	52	2500	3090	250
QDT7.5/4-2500/2-63/P	7.5	15	63	2500	4275	280
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