China Plastic Valves Supplier

Your Trustful Plastic Valves Supplier

SALVADOR Industrial, a leading plastic valve supplier in China since 2008, offers a wide range of valve products including plastic ball, butterfly, gate, check, and diaphragm valves. Our selection, crafted from materials such as PVC, CPVC, PPH, PVDF, and PP, is tailored to meet diverse industry needs. Contact us today for a free quotation or more information on our top-quality plastic valve solutions.


Plastic Valve Selection Guide: Understanding Types, Applications, and Key Factors for Choosing the Right Valves

Introduction: Navigating the World of Plastic Valves

Classification of Plastic Valves:

An Overview

A. Plastic Ball Valves:
Usage: Full open or close control, suitable for water, air, oil, and corrosive chemicals.
B. Plastic Butterfly Valves:
Usage: Ideal for larger pipelines, providing efficient operation.

C. Plastic Check Valves:
Usage: Suitable for medium and low-pressure environments to prevent backflow in pipelines and fluid systems.
D. Plastic Gate Valves:
Usage: Suitable for low-pressure environments.
E. Diaphragm Valve:
Usage: Diaphragm valves are generally suitable for low to medium-pressure applications, typically ranging from vacuum conditions up to 300 psi, depending on the material and design. Always consult the manufacturer’s specifications for precise pressure limitations.

E. Plastic Glboe Valve:

Usage: Globe valves are often used with pressure-regulating devices to control pressure in piping systems. They can be used to reduce or increase system pressure to meet specific requirements.

Plastic Valves


F.Plastic Release Valve

Usage: Mainly used in agricultural irrigation pipelines to prevent water hammer.

Plastic Valve Applications

Water Supply Systems

Plastic valves are commonly used in residential and commercial water supply lines due to their resistance to corrosion.

Wastewater Treatment

Their resistance to harsh chemicals makes them suitable for wastewater treatment plants.

Chemical Processing

Plastic valves are used in the chemical industry to control the flow of various chemicals, including corrosive substances.

Irrigation Systems

In agriculture, plastic valves are used in irrigation systems to regulate the flow of water to different areas of the field.

Swimming Pools & Spas

They are used to control water flow in swimming pools and spas, ensuring proper filtration and circulation.

Food and Beverage Industry

Plastic valves are employed in the food and beverage industry due to their hygienic properties.

Pharmaceutical Industry

In pharmaceutical manufacturing, plastic valves control the flow of ingredients, ensuring precise quantities.

Oil and Gas Industry

Certain types of plastic valves can also be used in the oil and gas industry, especially where corrosion resistance is a priority.

Medical Devices

Plastic valves are used in some medical devices for controlling the flow of fluids.


What are types of plastic valves?

Plastic Ball Valve ,Plastic Butterfly Ball Valve ,Plastic Check Valve ,Plastic Diaphragm Valve,Plastic Gate Valve ,Plastic Air Release Valve,Plastic Back pressure valve

Plastic Ball Valves

Advantages:Precise control over flow.
Quick to open or close,Minimal pressure drop.
May not be suitable for throttling applications.
Potential leakage if not sealed properly.
Water supply systems,Chemical processing,Gas distribution.

Plastic Butterfly Valves

Lightweight and compact,Economical.
Suitable for large flow control.
Less precise control compared to other valve types.
HVAC systems,Water treatment plants,Food processing.

Plastic Check Valves

Advantages: Prevents backflow,Automatic operation. Disadvantages: May cause water hammer effect if closed abruptly. Applications: Pump and compressor discharge,Cooling towers.

Plastic Gate Valves

Advantages: Good for fully open or fully closed service. Low friction loss. Disadvantages: Slow to operate,Not suitable for throttling. Applications: Water supply,Irrigation systems.

Plastic Foot Valves

Advantages: Prevents emptying of the pump and suction line. Good sealing properties. Disadvantages: Limited to vertical flow direction. Applications: Pump inlets. Tanks and reservoirs.

Plastic Diaphragm Valves

Advantages: Excellent for corrosive and abrasive fluids. Suitable for slurries and viscous liquids. Disadvantages: Limited pressure and temperature capabilities. Applications: Chemical processing,Pharmaceuticals. Mining industry.

Factors Influencing the Lifespan of Valves: An Expert Insight

Valves play a crucial role in controlling the flow of fluids in various industrial applications. As a top-tier valve and pipeline expert, I would like to shed light on several key factors that influence the lifespan of valves:

Material Quality

The material from which a valve is constructed directly impacts its durability. Materials like stainless steel, brass, or specific plastics designed for corrosion resistance tend to have longer lifespans.
PVC Valves

Environmental Factors

Exposure to corrosive environments, extreme weather conditions, or abrasive substances can affect the integrity of the valve over time.

Compatibility with Fluids

Using a valve with fluids for which it was not designed can cause deterioration of seals and other components.

Operating Conditions

Factors such as pressure, temperature, and the nature of the fluids being controlled can affect the wear and tear on a valve. Using a valve outside of its designed operating parameters can lead to premature failure.

Maintenance Practices

Regular inspection and maintenance can significantly prolong a valve's lifespan. Lubrication, cleaning, and timely replacement of worn-out parts are essential to maintaining optimal performance.

Design and Manufacturing Quality

Well-designed and meticulously crafted valves tend to have fewer mechanical issues. Precision engineering ensures that valves operate smoothly and reliably.

Installation Practices

Incorrect installation can lead to alignment issues and undue stress on the valve, reducing its operational life. Proper installation, following manufacturer guidelines, is key to maximizing valve longevity.

Plastic Valve Selection Manual

Choosing the right plastic valve is critical for a variety of industrial applications. This Plastic Valve Selection Brochure is designed to help you make an informed decision when selecting a plastic valve for your specific needs.

Understand Your Requirements

#1. Identify your medium
Determine the type of fluid or gas that the plastic valve will handle.
Consider the temperature, pressure and chemical compatibility of the media.
#2. Valve function
Define the intended use of the valve: on/off isolation, flow control or regulation.
Decide if bi-directional flow control is required.
#3. Environmental considerations
Evaluate installation environments including indoors, outdoors, underwater or corrosive atmospheres.
Consider temperature fluctuations and potential effects on plastic valve materials.

How to select suppliers

#1. Supplier selection
Suppliers are evaluated based on their reputation, quality control processes, and reliability.
Attend trade shows and use online platforms like Google to find reputable plastic valve suppliers.
#2. Quality inspection
Implement strict quality inspection procedures to ensure the reliability of plastic valves.

#3. Warranty and Support
Learn about the valve’s warranty and the manufacturer’s policy on after-sales service and support.

How to Select Valve Materials

#1. Material compatibility
Make sure that the plastic valve material is compatible with the media and environmental conditions being handled.
#2. Pressure and Temperature Ratings
Choose a plastic valve with the proper pressure and temperature capabilities for your application.
#3. Dimensions and flow capacity
Choose valve size based on flow and pipe size.
#4. Driver Options
Decide on the drive method according to your control needs: manual, electric, pneumatic or hydraulic.
#5. Maintenance and serviceability
Consider the ease of maintenance and availability of spare parts for the plastic valve you choose.
#6. Safety standards
Ensure valves meet international or regional safety and quality certification standards.

Choosing the right plastic valve for your industrial application is critical to efficiency and reliability. By thoroughly understanding your requirements, considering plastic valve types and materials, and working with a trusted supplier, you can ensure project success and durability. Quality, compatibility and performance are always priorities when selecting plastic valves.

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The ULTIMATE Guide to plastic valves pipe fittings in China 2024

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