Diaphragm Dosing Pump
Your Leading Diaphragm Dosing Pump Supplier
Suzhou Asenhe Environmental Protection Technology Co., Ltd., established in January 2011, is a leading technology manufacturer deeply engaged in the environmental protection field. Adhering to the core principles of "innovation-driven, quality-oriented," the company specializes in the research, development, and manufacturing of high-performance environmental monitoring equipment.
After years of development, Asenhe has established a comprehensive product portfolio. Its core products include ocean buoys, navigation buoys, solar buoys, wave buoys, wave sensors, metering pumps, positive displacement pumps, and pneumatic diaphragm pumps. These products are widely used in fields such as ocean monitoring, water conservancy and hydrology, meteorological observation, environmental protection engineering, and industrial automation. Their stable and reliable performance has earned them the trust and praise of domestic and international customers.
The company is driven by technological innovation, continuously increasing R&D investment and actively introducing advanced design concepts and process equipment. Currently, Asenhe is accelerating the development of new intelligent and networked monitoring equipment, striving to provide customers with more accurate, durable, and intelligent solutions to meet increasingly complex environmental monitoring needs.
In the future, Suzhou Asenhe Environmental Protection Technology Co., Ltd. will continue to adhere to the principle of "quality first, service first", promote the continuous upgrading and breakthrough of environmental monitoring technology, and strive to become a leading enterprise with international competitiveness in the industry, and contribute to the protection of the global ecological environment.
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why choose us
Products applicaion
Our products have been widely used in key areas such as sewage treatment, water quality monitoring, marine environment monitoring, marine resource development and protection, and navigation warning, providing strong support for environmental
governance and safety
assurance.
Production equipment
The company currently has 3 sets of buoy molds and 15 sets of dosage pump and diaphragm pump molds; it is equipped with 3 machining centers and 5 equipment including grinders, milling machines, lathes, etc.; it also has 4 monitoring equipment and platform testing equipment and other complete testing and processing equipment.
Our certifications
The company has successfully passed ISO quality management system certification and CE certification, which not only
strictly guarantees the high quality of products, but also highlights
Asenhe's competitiveness and
reputation in the international
market.
Production market
The company has established a nationwide sales and service network to ensure
that customer needs are responded to
in the first time and that on-site problems
are handled promptly with
professional and efficient
solutions.

Benefits of Diaphragm Dosing Pump
High accuracy and precision
Delivers accurate and consistent flow rates, essential for dosing and metering applications.
Easily adjustable to provide precise dosing volumes.
Chemical compatibility
Most models are manufactured from corrosion resistant materials, suitable for handling aggressive and corrosive fluids.
Capable of handling a wide range of chemicals, including acids, bases, and solvents.
Reliability and durability
Robust construction and high-quality materials contribute to a long service life.
Requires minimal maintenance compared to other pump types, reducing downtime and maintenance costs.
Safe operation
The hermetically sealed diaphragm prevents leaks, ensuring safe handling of hazardous and toxic chemicals.
Capable of operating at high pressures, ensuring efficient fluid transfer in demanding applications.
Flexibility
Suitable for various industries, including water treatment, pharmaceuticals, food and beverage, and chemical processing.
Available in a range of sizes and capacities to meet different application needs.
Ease of integration
Easily integrated into existing systems with minimal modifications.
Often comes with advanced control options, including electronic controllers and programmable settings.
Self-priming capability
Self-priming feature simplifies the start-up process and ensures smooth operation without the need for additional priming equipment.
Environmental benefits
Precise dosing minimises chemical waste, contributing to environmentally friendly operations.
Hermetically sealed design reduces the risk of chemical emissions and environmental contamination.
1.Oil & gas industry
Managing additives and corrosion inhibitors.
2.Textile & paper industries
Handling dyeing and chemical treatment processes.
3.Water treatment and wastewater management
Water treatment plants require consistent dosing of chemicals like chlorine, flocculants, and coagulants. Diaphragm dosing pumps ensure that the right amount of chemicals is added to treat the water effectively.

04
Pharmaceuticals
In pharmaceutical manufacturing, precise dosing is crucial to ensure the right concentration of active ingredients in each batch. Diaphragm pumps offer reliable and accurate chemical dosing, which is critical in this sector.
05
Food and beverage processing
The food and beverage industry relies on precise dosing for the addition of preservatives, additives, and other ingredients. Diaphragm dosing pumps can handle such tasks with accuracy, ensuring product quality and safety.
06
Agriculture
In agriculture, diaphragm pumps are used for the controlled dosing of fertilizers, pesticides, and herbicides. This helps farmers manage resources more efficiently, ensuring optimal crop yields.
07
Chemical processing
Diaphragm pumps are often used in chemical plants for dosing reactive chemicals, solvents, and other hazardous materials.
Specifications
|
Eries Series |
Flow rate (L/H) Traffic |
Power (W) |
Diaphragm diameter (mm) |
Maximum pressure (Kg) |
Flow adjustment |
Pump head material |
Connection method Connect |
|
|
Hose |
Hard hose Hard tube |
|||||||
|
OP10 |
30 |
60 |
64 |
10 |
Can be manually adjusted while running Canbe adjusted manually operation |
PPG/PTFE/SUS304 |
Hose bore Hose diameter 9mm x outer diameter Outer diameter external diameter15mm |
DN15 |
|
OP20 |
40 |
60 |
64 |
|||||
|
OP30 |
50 |
60 |
64 |
|||||
|
OP90 |
89 |
60 |
65 |
3 |
||||
|
OP90-B |
100 |
60 |
65 |
3 |
||||
|
OP120 |
120 |
60 |
65 |
3 |
||||
|
Series |
Flow rate (L/H) Traffic |
Power (W) |
Diaphragm diameter (mm) |
Maximum pressure (Kg) |
Flow adjustment |
Pump head material |
Connection method Connect |
|
PS120-A |
120 |
140/150 |
101 |
5 |
Can be manually adjusted while running Canbe adjusted manually operation |
PVC/PTFE |
DN15 |
|
PS150-A |
150 |
||||||
|
PS180-A |
180 |
||||||
|
PS240-A |
240 |
||||||
|
PS250-A |
250 |
||||||
|
PS300 |
300 |
200 |
120 |
5 |
DN20 |
||
|
PS360 |
360 |
||||||
|
PS400 |
400 |
||||||
|
PS600 |
600 |
200/400 |
142 |
||||
|
PS700 |
700 |
||||||
|
PS900 |
900 |
||||||
|
PS1000 |
980/1000 |
170 |
|||||
|
PS1200 |
1200 |
750/400 |

When it comes to packaging, we always adhere to the principle of "safety first, details paramount." We meticulously design and customize packaging solutions for different pump models based on their size, weight, exterior structure, and quantity. Durable wooden boxes or high-strength cartons are typically used for exterior protection, while high-density foam, sponge, or shock-absorbing materials are filled inside to create a comprehensive cushioning layer, effectively reducing the risk of vibration, impact, and crushing during transportation.
For pumps with precision components or specialized structures, we also implement additional support and protection measures, such as customized linings, fixed slots, or partitioned isolation, to ensure the equipment remains stable and secure during long-distance transportation, multiple handling, and complex climates.
This scientific and rational packaging approach not only minimizes transportation losses but also ensures that every pump reaches our customers intact and in optimal condition. This demonstrates our commitment to product quality and customer experience.

This industry
The company boasts an efficient production system, equipped with one or two specialized production lines, with an annual production capacity of up to 4,000 sets of buoys and supporting equipment. This not only ensures the timely delivery of large-volume orders, but also provides flexible production support for personalized, small-batch customization.
The production lines are rationally laid out and highly automated, effectively improving manufacturing efficiency and product consistency. At the same time, the company strictly implements its quality management system, maintaining high standards of craftsmanship and quality control while undertaking large-scale production, ensuring that each product meets international standards and customer needs.
With its stable production capacity and flexible production capabilities, Asenhe boasts significant advantages in delivery speed, cost control, and reliability, providing customers with continuous and stable supply guarantees.
vision of the future
We are committed to becoming a world-leading environmental monitoring and intelligent equipment manufacturer, promoting ecological environmental protection and sustainable development with innovative technologies and high-quality products.
mission
Focused on developing and manufacturing high-quality environmental monitoring equipment, providing reliable
data and solutions for marine,
meteorology, water,
environmental, and industrial
applications.
system of values
We adhere to the principles of quality first, customer orientation, continuous innovation and win-win responsibility, and are
committed to providing reliable
products, professional services
and promoting sustainable
development.
company philosophy
With "innovation, quality, service and win-win" as the core concept, we build an
international brand, create value for customers, set a benchmark for
the industry, and contribute to
environmental
protection.
We accept customized services
We offer flexible customization for both buoy and pump products, tailoring configurations and features to each client’s specific needs to ensure optimal performance and reliability in every application.

User Evaluation

Asenhe's pumps are of very stable quality, and their customized services are very tailored to our needs. With timely delivery and quick after-sales response, our project runs very smoothly.
BYD Company

We are impressed with the high quality and reliability of AsenHe’s buoy products. Their customization options perfectly meet our project requirements, and the team provides excellent support.
Sarah Johnson
Contractor

During the cooperation, Asenhe provided flexible customized solutions to meet our monitoring needs in complex marine environments. The products are durable and reliable, greatly improving work efficiency.
Nguyen Van Hoang
Contractor

The buoys and pumps from AsenHe perform consistently well in challenging conditions. The team’s professional guidance and fast response make them a trusted partner for our environmental monitoring projects.
Rajesh Kumar
Contractor
1124
Solutions
1869
Projects complated
259+
Satisfied clients
15+Years
Expertise & Experience
FAQ
We're professional diaphragm dosing pump manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale high-grade diaphragm dosing pump made in China here from our factory.
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