Product Description
BZ-3865 Electric Spray Mini Diaphragm Pump 3.5-6m3 h DC12V 24V High Pressure Self Priming Car Wash Water Pump
BZ-3865 Electric Spray Mini Diaphragm Pump 3.5-6m3 h DC12V 24V High Pressure Self Priming Car Wash Water Pump1.IMPORTANT NOTE
Due to page display limitations, some product configurations or usage instructions may not be fully shown. If you have any special requirements or questions, please contact us directly for further assistance and confirmation.
Default Configuration
Model: BZ-3865 Electric Spray Mini Diaphragm Pump
Flow Rate: 3.5–6 m³/h
Voltage Options: DC 12V / 24V
Power Options: 30W / 60W / 80W
Left Port Outer Diameter: 11 mm
Right Port Outer Diameter: 18 mm
Compatible Medium pH Range: 5.0–10
This mini diaphragm pump is designed for stable performance, efficient spraying, and reliable operation across various applications. Multiple voltage and power options are available to meet different installation and working requirements.
2. Technical Parameters
Working Voltage: DC 12V / 24V
Maximum Pressure: 0.6 MPa
Flow Rate: Dependent on nozzle size and voltage
Rated Power: Energy-efficient low-power operation
Motor Type: Pure copper motor
Max Liquid Temperature: 0–65°C
Ambient Temperature: ≤ 50°C
pH Range: 5.0 – 10
Compatible Liquids: Water, alcohol, pesticides, etc.
Inlet/Outlet Size: Refer to product specifications
Housing Material: High-grade engineering plastic
Screw Material: 304 stainless steel
Safety Features: Built-in protection against overheating and overload
3.KEY FEATURES
Auto Pressure Control
The built-in pressure switch automatically stops or recirculates the flow when pressure reaches 0.6 MPa, providing safer operation and improved working efficiency.
Pure Copper Motor
Equipped with a high-quality pure copper motor for stable performance, low noise, reduced vibration, and extended service life.
Compact and Lightweight Design
Small in size and easy to carry, install, and operate. Ideal for portable equipment and applications with limited installation space.
Corrosion and Chemical Resistance
Designed to handle weak acidic and alkaline liquids with low impurity content, offering excellent durability and wider application compatibility.
Overheat and Overload Protection
Automatically shuts down under abnormal operating conditions to protect the motor and extend the lifespan of the pump.
Shock-Absorbing Base
Built with anti-vibration mounting feet to reduce noise and ensure smoother, more stable operation.
4.APPLICATIONS
Car Washing
Compatible with both manual and battery-powered car washing systems for convenient vehicle cleaning.
Agricultural Spraying
Ideal for spraying pesticides, fertilizers, and various agricultural solutions efficiently.
Liquid Transfer
Suitable for transferring wine, alcohol, beverages, and other compatible liquids.
Household Water Supply
Perfect for home water boosting systems and water filtration applications.
Misting and Humidification
Excellent for misting systems, humidifiers, cooling equipment, and moisture control applications.











5.FREQUENTLY ASKED QUESTIONS
Q1: Does the pump include hoses or connectors?
A1: No, hoses and connectors are not included. Please confirm the required voltage and port dimensions before placing your order.
Q2: What types of liquids can this pump handle?
A2: The pump is suitable for clean water, alcohol, wine, pesticides, and other low-viscosity, non-corrosive liquids. Transparent models are recommended only for non-corrosive liquids such as water and wine.
About Prime Living
Prime Living is a Canadian online store offering a carefully selected range of quality products for home, automotive, tools, outdoor living, electronics and more.
We are committed to fast order processing, secure packaging and reliable tracked shipping to provide an excellent shopping experience.
Shipping policy
We carefully handle each order to ensure your package arrives quickly and safely. Please note that factors such as weather, postal traffic, or carrier performance may occasionally cause delays beyond our control.
We provide free shipping and dispatch all orders within 2 business days of payment, often sooner. All shipments are sent via international express air shipping, with a tracking number provided so you can follow your order every step of the way.
. Please provide a physical address, as we do not ship to P.O. Boxes.
Returns
Your satisfaction is important to us. Hexlight offers a 14-day Free return policy: if you are not fully satisfied with your purchase, you may request either a full refund or an exchange. All return shipping costs are fully covered by us.
Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.