Your Professional Roots 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.
Advantages of Roots Pump
High pumping speed
Capable of handling large gas volumes at low pressures.
01
Oil-free operation
Clean, dry pumping—ideal for sensitive environments.
02
Durability
Sturdy design for continuous operation with minimal wear.
03
Low maintenance
Fewer moving parts, resulting in lower maintenance costs.
04
Compact design
Suitable for integration in various systems and machinery.
05
Vacuum metallurgy smelting
Provides oil-free, high-speed gas evacuation to maintain a clean smelting environment and ensure high-purity metal quality.
Degassing
Efficiently removes gases and vapors from sealed chambers, preventing contamination in chemical and pharmaceutical processes.
Rolling processes
Creates stable low-pressure conditions for steel, aluminum, and copper rolling, improving product consistency and surface quality.
Chemical processing
Handles large volumes of gases and vapors with high pumping speed, supporting efficient and reliable chemical production.

Product Description
|
Parameter |
DLT.LC250 |
DLT.LC500 |
DLT.LC1200 |
DLT.LC2600 |
DLT.LC4200 |
|
Pumping Speed (m³/h) |
250 / 300 |
500 / 600 |
1200 / 1440 |
2600 / 3120 |
4200 / 5040 |
|
Motor Power (kW) |
2.2 |
2.2 |
4 |
7.5 |
11 |
|
Motor Speed (r/min) |
2900 |
2900 |
2900 |
2900 |
2900 |
|
Voltage (V) |
Three-phase 220–240 / 380–415 |
380–415 / 460 |
380–415 / 460 |
380–415 / 460 |
380–415 / 460 |
|
Air Intake Connection |
ISO63 |
ISO100 |
ISO160 |
ISO160 |
ISO250 |
|
Exhaust Port Connection |
ISO40 |
ISO63 |
ISO100 |
ISO100 |
ISO100 |
|
Oil Seal Oil Capacity (L) |
0.125 |
0.125 |
2.4 |
6.5 |
6.5 |
|
Transmission Fluid Reservoir (L) |
0.15 |
0.15 |
1.25 |
3.5 |
3.5 |
|
Weight (kg) |
71 |
69 |
149 |
308 |
400 |
|
Noise Level (dB) |
70 |
70 |
70 |
75 |
75 |
|
Dimensions (mm) |
682×306×270 |
770×306×255 |
947×384×334 |
1200×526×508 |
1380×526×508 |
Delivery
|
Selling units |
Single item |
|
Single package size |
2000X2000X3000 cm |
|
Single gross weight |
50.000 kg |
Lead Time
|
Quantity (pieces) |
1 - 20 |
> 20 |
|
Lead time (days) |
7 |
To be negotiated |
Packaging & Shipping

FAQ
As one of the leading roots pump manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to wholesale bulk roots pump at low price from our factory.
Auxiliary Vacuum Pump, Semiconductor booster pump, Transmission Fluid Vacuum Pump




