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Zhejiang Zhanbo Diaphragm Pump Manufacturing Co., Ltd. Home / Products / Polypropylene Diaphragm Pump

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Cheap Polypropylene Diaphragm Pump

Characteristic: Enhanced polypropylene has strong corrosion resistance
Applicable to: PP is suitable for general coatings, adhesives, solvents, and corrosive chemicals



Suction/Discharge
port size		 1/2 inch DN15 N.P.T 1 inch DN25 Flanges 2-1/2 inch DN40 Flanges 2 inch DN50 Flanges
Capacity (L/min) 0~49.2 0~177.9 0~378.5 0~378.5
Pump left (m) 0~69 0~83 0~83 0~83
Suction distance (m) 3 4.6 4.27 4.27

Maximum operating
pressure
(Bar/Mpa)

 6.9
(0.69)		 8.3
(0.83)		 8.3
(0.83)		 8.3
(0.83)
Solids-handling
(mm)		 2.4 3.2 6.4 6.4
Air consumption
(m³/min)		 0.35 0.6 0.9 1.7
Pressed filter area
(m²)		 10 20-30 60-80 60-80
About
Zhejiang Zhanbo Diaphragm Pump Manufacturing Co., Ltd.
Zhejiang Zhanbo Diaphragm Pump Manufacturing Co., Ltd.

Zhejiang Zhanbo Diaphragm Pump Manufacturing Co., Ltd. is a professional China Polypropylene Diaphragm Pump manufacturer and OEM/ODM Polypropylene Diaphragm Pump factory integrating R&D, production, sales and service. The company's founding process can be traced back to 1989. It has always focused on the field of diaphragm pumps. It is the main drafting unit of the pneumatic diaphragm pump specification and an expert in diaphragm pumps.

The company has successively obtained the national "high-tech" enterprise certification and the EU CE certification. So far, it has obtained many patents and passed the ISO9001 international quality system certification. It is a demonstration enterprise for scientific and technological innovation and achievement transformation.

The company also has a complete integrated service system: pre-sales technicians answer various technical inquiries, provide one-stop service suggestions according to customer needs, select suitable products for you, and determine reasonable solutions and quotations based on the above information and product quality, delivery cycle, etc. After-sales services include product installation, use, maintenance, troubleshooting, etc. We will continue to work hard to provide you with good products and services.

The company adheres to the business philosophy of "three specializations", "single-minded, professional, and focused". Based on implementing comprehensive quality management, it uses sophisticated process equipment and "excellent internal quality and similar appearance quality of handicrafts" to create a user-first service awareness to meet customer needs. The company has won wide praise from domestic and foreign customers for its high-quality and thoughtful after-sales service. Its products are sold to more than 30 provinces and cities across the country and the United States, Europe, Singapore, Myanmar, Australia, Africa, Vietnam, and other foreign markets.

Certificate Of Honor
  • 143D2B3D62507879 Certificate
  • 143D2DEMPBD64450 Certificate
  • 143D2DEPSI191B01 Certificate
  • 143D28EI8MB64F6B Certificate
  • 143D26119ED643F8 Certificate
  • A medical diaphragm pump-authorization notice Certificate
  • CE Certificate
  • CE1 Certificate
Blogs

Polypropylene Diaphragm Pump Industry Knowledge

1. What makes the Polypropylene Diaphragm Pump an ideal choice for handling acidic fluids?

The Polypropylene Diaphragm Pump is widely recognized for its outstanding chemical resistance, especially against strong acids and corrosive substances. Polypropylene's inherent inertness makes it highly resistant to a broad range of acids, which is why it is often chosen as the primary material in an Acid Diaphragm Pump. The pump's polypropylene construction prevents corrosion, ensuring long-term durability and reducing maintenance costs even when handling aggressive acidic fluids.

Unlike metal pumps that might corrode or degrade over time, the Polypropylene Diaphragm Pump offers resistance to hydrochloric acid, sulfuric acid, and other harsh chemicals commonly found in chemical processing industries. This makes it a highly reliable solution for safely transferring acids without contamination or leakage.

In addition, the smooth surface of polypropylene minimizes material buildup and clogging, maintaining flow and pump efficiency. The compatibility of polypropylene with various elastomers and diaphragms further enhances the chemical resistance of the Polypropylene Pneumatic Diaphragm Pump, ensuring that the entire pump assembly withstands acidic environments without failure.

2. How does the Polypropylene Pneumatic Diaphragm Pump operate efficiently as an Air Operated Diaphragm pump in industrial applications?

The Polypropylene Pneumatic Diaphragm Pump operates using compressed air as the power source, which classifies it as an Air Operated Diaphragm pump. This air-driven mechanism allows the pump to run without electricity, making it safe and efficient for hazardous or explosive environments such as chemical plants or paint manufacturing.

The air pressure drives the diaphragm back and forth, creating suction and discharge actions that move liquids through the pump. The Polypropylene Pneumatic Diaphragm Pump benefits from the lightweight nature of polypropylene, reducing the overall pump weight and easing installation and maintenance tasks.

Because the pump is air operated, it provides dry-run capability and can handle viscous, abrasive, or shear-sensitive fluids with minimal damage. The absence of mechanical seals in the Air Operated Diaphragm pump reduces leakage risk and enhances operational reliability. This pneumatic drive system also allows easy adjustment of flow and pressure by regulating air supply, improving process control in various industrial scenarios.

3. What are the key considerations for manufacturers when designing a reliable Acid Diaphragm Pump made from polypropylene?

When manufacturing an Acid Diaphragm Pump from polypropylene, a company must carefully consider material compatibility, diaphragm design, and sealing technologies to ensure reliability and longevity. Polypropylene's chemical resistance is a primary advantage, but manufacturers must also select diaphragms and valves that complement polypropylene's properties to avoid weak points.

High-quality elastomers compatible with acidic chemicals are essential to maintain a seal in the Polypropylene Diaphragm Pump. The diaphragm must be flexible yet durable enough to withstand continuous flexing without cracking or degrading under chemical attack.

Manufacturers also focus on precision molding techniques to create smooth, uniform pump chambers that minimize wear and reduce the chance of fluid stagnation. Proper assembly and air system calibration ensure the Polypropylene Pneumatic Diaphragm Pump operates efficiently as an Air Operated Diaphragm, maintaining stable flow rates and pressure for demanding acid transfer applications.

The quality control tests such as chemical resistance evaluation, pressure endurance, and leakage checks, are vital. These ensure that every Acid Diaphragm Pump made from polypropylene meets industry standards and customer expectations for performance and safety.