Your Professional Piston Pump Supplier
Our goal is to be your true partner in Oil-type Rotary Vane Pump field in China,Dongguan Dalutong Vacuum Equipment Manufacturing Co., Ltd. was established in 2003 and is located in Liaobu Town, Dongguan, Guangdong. It is a vacuum equipment manufacturer specializing in R&D, manufacturing, and sales, and is also a professional service provider for the maintenance of imported vacuum pumps. Dalutong uses Sino-German joint venture technology for production and manufacturing. It is the only manufacturer in the industry with 100% German and Japanese production equipment.
Why Choose Us
Our team
We have a development team of ten excellent designers who will develop new products according to the market.
Our certification
All products are manufactured under strict quality standards and have passed rigorous testing, meeting relevant ce and ISO requirements.
Applications
Our pumps are widely used in hvac, air conditioning and refrigeration, hot water pressurization, industrial processing, chemical industries, domestic water supply, fire protection systems, groundwater extraction, and sewage and wastewater treatment.
Service & support
We provide customer-oriented service with technical support available 24/7. Through established service networks, digital platforms, and partnerships, we offer efficient support, remote diagnostics, and customized solutions to minimize downtime and meet customer needs.
Efficiency is important
Piston pumps are renowned for their ability to convert hydraulic energy into mechanical work with extremely high efficiency. Their ability to handle variable traffic while maintaining effectiveness is a standout feature.
Versatility reigns supreme
The adaptability of piston pumps enables them to handle both high-pressure and high-flow situations. Industries ranging from manufacturing to agriculture benefit from its versatility.
Durable
With proper maintenance, piston pumps can last for a long time. Its sturdy construction and minimal moving parts help extend its lifespan.
Pressure champion
Piston pumps are the first choice for high pressure systems. When a lot of strength is required, they rise to the challenge.
Adjustable displacement
Many piston pumps have a variable displacement feature. This feature allows for dynamic adjustments to increase efficiency by delivering just the right amount of fluid.
Agriculture
U ses piston pumps to apply fertilizers to crops and spray chemicals like pesticides and herbicides.
Construction
U sed to apply corrosion-resistant coatings and viscous fluids like paint or cement, and perform high-pressure cleaning.
Manufacturing
Uses piston pumps to meter, dispense, and transfer a wide range of industrial fluids including adhesives, lubricants, and solvents.
Marine
Used for pressure washing, bilge pumping, and fuel or lubricant transfer in vessels.
Automotive
Uses piston pumps in hydraulic systems, including power steering, brake boosters, and transmission systems.


Aerospace
Used in hydraulic actuation systems for landing gear, brakes, and flight control surfaces.
Mining
Uses piston pumps to move abrasive slurries, dewater shafts, and handle thick fluids.
Oil & gas
Used to inject chemicals, pump drilling fluids, and transfer oil and gas under pressure.
Power generation
Used to feed high-pressure water into boilers, and circulate coolant or condensate in thermal power plants.
Chemical processing
Uses piston pumps for accurate dosing, chemical injection, and transfer of aggressive or viscous chemicals.
Product Description
|
Parameter |
DJ150 |
DJ250 |
|
Pumping Speed (50Hz, m³/h) |
140 |
256 |
|
Motor Power (kW) |
3 |
5.5 |
|
Rotational Speed (r/min) |
2900 |
2900 |
|
Voltage (V) |
Three-phase 380 / 415 / 460 |
Three-phase 380 / 415 / 460 |
|
Inlet Ultimate Vacuum (kPa) |
−90 |
−90 |
|
Operating Limit (kPa) |
−80 |
−80 |
|
Air Intake Connection |
G1-1/4 |
G2 |
|
Exhaust Port Connection |
G1-1/4 |
G1-1/4 |
|
Weight (kg) |
185 |
230 |
|
Dimensions (mm) |
977 × 410 × 402 |
1050 × 461 × 417 |
|
Noise Level (dB) |
76 |
79 |
Delivery
|
Selling units |
Single item |
|
Single package size |
115X70X60 cm |
|
Single gross weight |
25.000 kg |
Lead Time
|
Quantity (pieces) |
1 - 1 |
2 - 3 |
> 3 |
|
Lead time (days) |
7 |
15 |
To be negotiated |
Packaging & Shipping

FAQ
As one of the leading piston pump manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to wholesale bulk piston pump at low price from our factory.
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