High-Speed Thruster Cold Propeller Blade, Submersible Thruster Glass Fiber Propeller, Submersible Propulsion Blade
Duwan Environmental's QJB Low-Speed Flow Promoter Leak Protection Function is designed to detect water leakage inside the submerged mixer. When water leakage occurs within the mixer, it will trigger corresponding alarm and control signals.
Low-speed flow inducer motor overheating protection is specifically designed to monitor the temperature of the stator winding inside the submersible mixer. Should an abnormal temperature occur within the stator of the mixer, the electric control unit will trigger the corresponding alarm and control signals, or automatically shut off power, to prevent the stator winding from burning out and facilitate timely maintenance and handling by staff.
Diving Low SpeedStream DriverPolyurethane impeller, low-speed submersible propeller with polyether polyurethane impeller, low-speed propeller impeller, flanged polyurethane impeller
Low-speed submersible propeller impeller frame made of polyether polyurethane, solid copper-aluminum frame, sturdy and durable, with no cracks, flange-connected large hub, easy to install, not prone to breakage.
Dive Propeller Blade Diameter Size:1100mm,1400mm,1600mm,1800mm,2200mm,2500mm
Leaf assembly
Note:
InDiving Propulsion DeviceBefore installing the system, first select and adjust the angle adapter according to working conditions.
Ensure both blades are installed at the same angle.
Step1Loosen the hub cap1Top Cover2Screw ( )3)(M16*80Left-hand thread), remove the bottom cover;
Steps2Insert a blade into the hub's hole from above, positioning the blade shaft slot outward, and adjust the selected angle of the blade.4Place into the slot of the impeller shaft, connect with the hub using two screws, and initially tighten the left screw with a hexagon wrench.5),then tighten the screw on the right (6)。
To facilitate the installation of the two lower blades, rotate the hub.180oThen, install two blades using the aforementioned method.
Step3Cover the top lid, place the two toothed washersM16*80Left-hand threaded screws are being tightened in.
Jiangsu Du'an Environmental Protection QJB Submersible Propeller DriverPolyurethane impeller Polyurethane impeller, with a long service life, reduces the frequency of replacement for cast iron and rubber impeller covers, making it your ideal choice. Polyurethane, also known as polyurethane carboxylate, is a high molecular polymer material that lies between plastic and rubber. It possesses both the high strength of plastic and the high elasticity of rubber, making it a new, wear-resistant material with excellent comprehensive properties. It boasts many superior characteristics, including high wear resistance, ranking first among synthetic materials, even surpassing some alloy steels. Using polyurethane as the lining for equipment, its service life is four times longer than cast iron and four times that of nitrile rubber, and eight times that of natural rubber. The Shore hardness of polyurethane is17-97 range, at 80-90, wear resistance.
Fiberglass propeller features: Long service life, rarely contacts hard objects, not prone to breakage or cracking, and excellent mechanical properties.
Impeller Specifications:
Impeller diameter | Material |
φ1100 (Single piece: 500mm) | PolyurethaneFiberglass |
φ1400 (Single 650mm) | PolyurethaneFiberglass |
φ1600 (single piece 750mm) | PolyurethaneFiberglass |
φ1800 (single piece 850mm) | PolyurethaneFiberglass |
φ2200 (Single 1050mm) | PolyurethaneFiberglass |
φ2500 (single piece 1200mm) | PolyurethaneFiberglass |


Thermoplastic Polyurethane (TPU) Impeller Blade Physical Properties Report
Project | Index | Actual Measurement | |
Shore hardnessA | 95±2 | 95 | |
Tensile Strength≥)MPa | 45 | 47 | |
Break elongation≥)% | 300 | 330 | |
Tear and Deformation≤)% | 15 | 12 | |
Tear Resistance≥)KN/m | 80 | 85 |
Duwan Environmental's QJB Submersible Propeller features: long service life, resistant to breakage or cracking, and good mechanical properties.
Low-speed Submersible Propulsion Material: Propeller blade made of polyurethane, motor housing cast iron.NSKBearings, products can be customized according to customer requirements.!Low-speed Turbulator is our company's absorptionIndustryDeveloped on the basis of advanced technology, these products feature high technical starting points, significant energy savings, and strong safety. Their unique functions and reliable quality have earned widespread popularity and praise from users, and have been chosen by many as alternatives to imported products.
One-year warranty
Dimensions: 1100mm, 1400mm, 1600mm, 1800mm, 2000mm, 2200mm, 2500mm
Flanged mounting

































