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Engineering Applications AODD Pumps Engineering Applications AODD Pumps

3/8 Inch PVDF/Full Polypropylene Diaphragm Pump

ModelGK10 PP / PVDF Diaphragm Pump
Max.Working Pressure100psi (0.7Mpa, 7bar)
Max.Flow Rate7 gpm (26.5 Ipm)
Max.Reciprocating Speed330cpm
Max. Suction Height(Dry Sucking)3.7m
Max.Permitted Grain1/16in. (1.6mm)
Max.Air Consumption18scfm (9L/s)
Air Inlet Size1/4 in.
Air Outlet Size1/4 in.
Fluid Inlet Size3/8 in.
Fluid Outlet Size3/8 in.

PP pump: 3kg

PVDF pump: 3.5kg


Products Applications

PVDF Pumps: A Comprehensive Guide to Versatile Fluid Handling


In the world of fluid handling, PVDF pumps have emerged as a versatile and reliable solution for various industrial applications. PVDF, short for Polyvinylidene fluoride, is a high-performance thermoplastic known for its exceptional chemical resistance, mechanical strength, and thermal stability. This article will serve as a comprehensive guide to PVDF pumps, exploring their features, applications, benefits, and frequently asked questions to help you understand why they are considered an excellent choice for fluid handling needs.

What are PVDF Pumps?

PVDF pumps are a type of centrifugal pump specifically designed for handling corrosive and abrasive fluids. They are constructed using Polyvinylidene fluoride, a durable and chemically resistant thermoplastic. PVDF pumps are widely used in industries such as chemical processing, pharmaceuticals, water treatment, and mining, where the safe and efficient transfer of corrosive liquids is crucial.

Key Features of PVDF Pumps

PVDF pumps offer several key features that make them stand out in the realm of fluid handling. These features include:

Chemical Resistance: 

PVDF pumps exhibit excellent resistance to a wide range of corrosive chemicals, acids, and solvents, making them suitable for handling aggressive fluids.

Mechanical Strength: 

The inherent mechanical strength of PVDF ensures that the pumps can withstand high pressures and maintain their structural integrity even under demanding operating conditions.

Thermal Stability: 

PVDF pumps can handle a broad temperature range, from cryogenic temperatures up to 150°C, without compromising their performance or structural integrity.


PVDF pumps are highly versatile, capable of handling a wide variety of fluids, including acids, alkalis, organic solvents, and wastewater, making them suitable for diverse industrial applications.

Low Maintenance: 

These pumps require minimal maintenance due to their robust construction and resistance to chemical degradation, resulting in reduced downtime and cost savings.


Industries InvolvedApplications
Cosmetic IndustryDetergent, Shampoo, Lotion, Emulsion,camphor ice / Hand Cream, Surface active agent / Surfactant
Ink Industry / Painting Industry /Coating IndustryResins, Solvents, Colorants/Coloring Agent, Paints, etc.

*Please contact our sales service at sales@gk-supply.com for more details about products applications.

Installation Dimensions and Performance Curves

3/8 Inch PVDF/Full Polypropylene Diaphragm Pump3/8 Inch PVDF/Full Polypropylene Diaphragm Pump 

Product Advantages

Advantages of Using PVDF Pumps

When it comes to fluid handling, opting for PVDF pumps offers several advantages, including:

1. Corrosion Resistance: PVDF pumps are highly resistant to corrosion, ensuring long-lasting performance and reducing the risk of leaks or failures caused by chemical attack.

2. Wide Chemical Compatibility: These pumps can handle a broad range of aggressive chemicals, acids, and solvents, providing versatility and flexibility in various industrial processes.

3. Excellent Mechanical Durability: PVDF pumps exhibit exceptional mechanical strength, allowing them to withstand high pressures, temperature fluctuations, and mechanical stress.

4. Thermal Stability: The inherent thermal stability of PVDF enables the pumps to operate reliably in both low-temperature and high-temperature environments, making them suitable for diverse applications.

5. Energy Efficiency: PVDF pumps are designed to deliver efficient fluid transfer, resulting in reduced energy consumption and lower operational costs.

6. GK 3/8 Inch PVDF/Full Polypropylene Diaphragm Pump which inlet outlet is up and down.

7. It's diaphragm normally use Teflon only,can be suitable for general corrosive materials.

8. It also perfect in many labs or smaller engineering process.

Factors to Consider When Selecting PVDF Pumps

When selecting PVDF pumps for your specific application, certain factors need to be taken into account to ensure optimal performance and longevity. These factors include:

Chemical Compatibility: 

Assess the compatibility of the pump materials with the fluid being handled to avoid any potential chemical reactions or material degradation.

Flow Rate and Pressure Requirements: 

Determine the required flow rate and operating pressure of the system to select a pump that can meet the demands of your application.

Temperature Range: 

Consider the temperature range of the fluid to be pumped and select a PVDF pump capable of operating within that temperature range.

System Design and Configuration: 

Evaluate the layout, piping, and system design to determine the appropriate pump size, connections, and accessories needed for seamless integration.

Maintenance and Serviceability: 

Assess the ease of maintenance, availability of spare parts, and the reputation of the manufacturer or supplier for reliable post-sales support.

Installation and Maintenance of PVDF Pumps

Proper installation and regular maintenance are essential to ensure the optimal performance and longevity of PVDF pumps. Follow these guidelines for installation and maintenance:


Ensure that the pump is installed on a stable and level surface, following the manufacturer's guidelines. Proper alignment of the motor and pump shaft is crucial for efficient operation.

Piping and Connections: 

Use compatible piping materials and fittings to avoid any chemical incompatibility issues. Ensure secure and leak-free connections using appropriate seals and gaskets.

Operating Parameters: 

Monitor the operating parameters such as temperature, pressure, and flow rate to ensure they remain within the recommended range specified by the pump manufacturer.

Regular Inspections: 

Conduct regular inspections to check for any signs of wear, leaks, or damage. Address any issues promptly to avoid potential failures and ensure uninterrupted operation.

Maintenance Schedule: 

Follow the maintenance schedule recommended by the manufacturer, which may include tasks such as lubrication, seal replacement, and impeller inspection.

Choose GK PVDF Pumps for Unmatched Quality and Performance

When it comes to fluid handling, GK PVDF pumps are the epitome of excellence. Backed by our expertise, advanced manufacturing techniques, and dedication to customer satisfaction, we deliver top-of-the-line PVDF pumps that exceed expectations. With GK as your trusted partner, you can enjoy reliable, efficient, and durable fluid handling solutions that enhance your operational efficiency and productivity.

Contact GK today to discover how our PVDF pumps can revolutionize your fluid handling processes. Experience the difference of superior performance, reliability, and versatility with GK PVDF pumps.