Jiangsu Du'an Environmental Protection Submersible Flow Injector Model Specifications:
Low-Flow Diffuser Specifications and Models
Streamline Model | Power | Electric Current | Impeller Diameter | Thrust | Weight | Installed the system |
KW | A | mm | N | kg | ||
QJB1.5/4-1100/2-85P | 1.5 | 4 | 1100 | 1800 | 170 | SystemⅣ |
QJB1.5/4-1400/2-36P | 1.5 | 4 | 1400 | 800 | 175 | SystemⅣ |
QJB1.5/4-1800/2-42P | 1.5 | 4 | 1800 | 1480 | 180 | SystemⅣ |
QJB2.2/4-1400/2-42P | 2.2 | 5.3 | 1400 | 900 | 180 | SystemⅣ |
QJB2.2/4-1800/2-42P | 2.2 | 5.3 | 1800 | 1100 | 185 | SystemⅣ |
QJB3/4-1100/2-115P | 3 | 7.2 | 1100 | 2200 | 180 | SystemⅣ |
QJB3/4-1400/2-56P | 3 | 7.2 | 1400 | 2000 | 185 | SystemⅣ |
QJB3/4-1800/2-56P | 3 | 7.2 | 1800 | 1800 | 190 | SystemⅣ |
QJB4/4-1800/2-56P | 4 | 9.2 | 1800 | 1700 | 170 | SystemⅣ |
QJB4/4-1800/2-63P | 4 | 9.2 | 1800 | 1800 | 190 | SystemⅣ |
QJB4/4-2500/2-42P | 4 | 9.2 | 2500 | 2900 | 210 | SystemⅣ |
QJB5/4-2500/2-56P | 5 | 11.9 | 2500 | 3100 | 240 | SystemⅣ |
QJB7.5/4-2500/2-63P | 5 | 15.2 | 2500 | 4250 | 280 | SystemⅣ |

Submersible Flow PropellerKey Component Materials:
Main Component Names | Material Types |
Motor housing | Cast IronDIN1691GG25 |
Propeller | Stirrer made of stainless steelAISI304Graphite Cast Iron Reinforcement with Reinforced Polyurethane |
Axle | Stainless SteelDIN16NiMo4 |
Mechanical Seal | Silicon Carbide/Silicon Carbide |
Bolts, nuts, and washers in contact with the medium | Stainless steel,SS316 |
Installation of Bracket and Lifting Device
| Stainless steel,SS304 |
Jiangsu Du'an Environmental ProtectionQJBDivingMixing MachineDiving Propulsion Device
This sectionExplanatoryDiving Propellers, Submersible MixersTechnical requirements for design, manufacturing, and factory testing.
General Principle: Standardized appearance, operation, maintenance, and spare partsSatisfiedSpecifications and Supply Requirements
Diving Propulsion DeviceDivingThe blender is a complete set, equipped with a full submersible motor; protective components for the equipment, including motor leakage protection and motor overheat protection; motor mounting bracket, limit fixing chain, guide rail, fasteners, lifting pulley, waterborne lifting device, etc.10Mi Water Cable; all necessary accessories for efficient, safe operation, and installation.
Among which, the power and control cables (including underwater cables) from the control box (or junction box) equipped with machinery and equipment to the controlled equipment.ManufacturerMainframe accessories supply, with a length ofOwnerAccording toOn-siteSelf-determined, and must meet engineering requirements.
Supplementary cables and related auxiliary materialsMaintain stringent quality control.

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