Top 10 Double check valve factory in the World 2025

Are you in the market for double check valves and feeling overwhelmed by your options? Comparing top factories is crucial to ensure quality and reliability. Knowing the best choices can save you time and money. Dive into our guide to discover the leading manufacturers and make an informed decision!

Single or double: Check valves and their applications

Product Details: Single and double check valves

Technical Parameters:
– Pressure rating
– Material compatibility

Application Scenarios:
– Water systems
– Industrial processes

Pros:
– Prevents backflow
– Enhances system efficiency

Cons:
– Potential for maintenance issues
– May require specific installation

Double Check Valve – Indusrtrial Valve Manufacturer

Product Details: A double check valve is a type of valve used to prevent the backflow of fluid in water supply systems, consisting of two check valves assembled in series.

Technical Parameters:
– Operates on the principle of differential pressure.
– Available in stainless steel, brass, and PVC materials.

Application Scenarios:
– Lawn sprinklers.
– Fire protection systems.
– Commercial water tanks.
– Household water systems.
– Mixed boiler systems.

Pros:
– Light in weight.
– Small in size.
– Durable and long-lasting.
– Free from fluid leakage.
– Cheaper relative to other check valves.

Cons:
– Small size limits flow rates.
– Allows fluid flow in only one direction.
– Cannot be inspected in a closed or open state.
– Not suitable for pulsation systems.

Double Check Valve Assemblies – Model – ParkUSA

Understanding Double Check Valve Assemblies: A Critical Component of …

Product Details: Double Check Valve Assembly consists of two check valves designed to prevent backflow and cross-contamination of water.

Technical Parameters:
– Dual-chamber design
– High reliability with minimal maintenance requirements

Application Scenarios:
– Water Distribution Systems
– Industrial Processes

Pros:
– Improved backflow prevention
– Enhanced cross-contamination prevention

Cons:
– Requires regular maintenance
– Proper installation is critical

Top Check Valve Manufacturer & Suppliers Singapore |Oilway

Product Details: Oilway is a major manufacturer and supplier of high integrity industrial check valves in Singapore, committed to quality and timely delivery.

Technical Parameters:
– Manufactured in compliance with international quality standards.
– Tested as per API 598, DIN3230, DIN3202 standards.

Application Scenarios:
– Used in chemical industries, steel factories, petrochemical and pharmaceutical i…
– Used for food processing, mining, and oil refineries.

Pros:
– High-quality control standards adopted throughout the manufacturing process.
– Customisation in dimensions, material, body, trims, caps, types of ends, and as…

Cons:
– Generic placeholder for cons.
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Water Regs UK Limited – What is a double check valve?

Product Details: A double check valve is a mechanical backflow protection device comprising two single check valves in series, allowing water to flow from upstream to downstream but not in reverse.

Technical Parameters:
– Rated for backflow protection against back siphonage and back pressure for conta…
– Should be inspected and maintained every 12 months; non-verifiable valves should…

Application Scenarios:
– Used in plumbing systems to prevent contamination of potable water.
– Applicable in residential and commercial water supply systems.

Pros:
– Provides effective backflow protection.
– Relatively easy to install and maintain.

Cons:
– Requires regular inspection and maintenance.
– Limited to specific fluid contamination risks (up to fluid category 3).

High quality Double Plate Check Valve factory – HongBang

Product Details: Double Plate Check Valve manufactured by HongBang, suitable for various pipeline applications.

Technical Parameters:
– Size: DN50 ~ DN600
– Temperature: -10°C ~ 120°C
– Certificates: CE / ISO
– Connection: BS / EN / DIN / ANSI / JIS
– Testing: EN 12266-1 / API 598
– Body Material: WCB / DI / SS / AL-Bronze
– Disc Material: WCB / DI / SS / AL-Bronze

Application Scenarios:
– Pipelines handling water
– Pipelines handling oil, gas, or corrosive chemicals

Pros:
– Excellent sealing to prevent leakage
– Compact and lightweight design
– High durability with corrosion-resistant materials
– Low pressure drop for improved energy efficiency

Cons:
– Limited temperature range
– Potential compatibility issues with certain fluids

China Valve Factory, Manufacturer & Supplier – TWT VALVE

Product Details: Double Check Valve and Single Check Valve

Technical Parameters:
– Single Check Valve: One internal mechanism, suitable for low to medium-pressure…
– Double Check Valve: Two internal mechanisms, ideal for high-pressure systems.

Application Scenarios:
– Household water systems, irrigation, HVAC systems for Single Check Valve.
– Industrial water supply systems, chemical plants, fuel systems for Double Check…

Pros:
– Single Check Valve: Cost-effective, easy to install and maintain.
– Double Check Valve: Increased reliability, ideal for critical applications.

Cons:
– Single Check Valve: Less reliable in high-pressure environments, lower protectio…
– Double Check Valve: More expensive, requires more space for installation, can be…

Double Check Valve – DBV valve

Product Details: The double check valve is a kind of anti-backflow valve designed to protect the water supply from pollution. It consists of two check valves assembled in series, ensuring reliable sealing and avoiding leakage.

Technical Parameters:
– Available Size: 15mm, 22mm, 28mm
– Material: Stainless steel and other high-quality materials

Application Scenarios:
– Water supply systems
– Industrial applications requiring backflow prevention

Pros:
– High quality and long-term durability
– Reliable sealing due to dual check valve design

Cons:
– Potentially higher cost compared to single check valves
– Requires more space due to dual valve assembly

FEBCO | Watts Brands

Product Details: FEBCO designs and manufactures high-performance backflow prevention assemblies and flow control products, focusing on quality, performance, and affordability.

Technical Parameters:
– Stainless steel components for harsh conditions
– Third-party agency approved valve designs

Application Scenarios:
– Irrigation flow control
– Backflow prevention in plumbing systems

Pros:
– Time-tested reliability and quality
– Unmatched flow performance

Cons:
– Potentially higher initial cost compared to standard options
– Maintenance may require specialized knowledge

Related Video

Comparison Table

Company	Product Details	Pros	Cons	Website
Single or double: Check valves and their applications	Single and double check valves	– Prevents backflow – Enhances system efficiency	– Potential for maintenance issues – May require specific installation	www.johnguest.com
Double Check Valve – Indusrtrial Valve Manufacturer	A double check valve is a type of valve used to prevent the backflow of fluid in water supply systems, consisting of two check valves assembled in ser…	– Light in weight. – Small in size. – Durable and long-lasting. – Free from fluid leakage. – Cheaper relative to other check valves.	– Small size limits flow rates. – Allows fluid flow in only one direction. – Cannot be inspected in a closed or open state. – Not suitable for pulsati…	ntgdvalve.com
Double Check Valve Assemblies – Model – ParkUSA				jobs.parkusa.com
Understanding Double Check Valve Assemblies: A Critical Component of …	Double Check Valve Assembly consists of two check valves designed to prevent backflow and cross-contamination of water.	– Improved backflow prevention – Enhanced cross-contamination prevention	– Requires regular maintenance – Proper installation is critical	www.atlasbackflow.com
Top Check Valve Manufacturer & Suppliers Singapore	Oilway	Oilway is a major manufacturer and supplier of high integrity industrial check valves in Singapore, committed to quality and timely delivery.	– High-quality control standards adopted throughout the manufacturing process. – Customisation in dimensions, material, body, trims, caps, types of en…	– Generic placeholder for cons. – Generic placeholder for cons.
Water Regs UK Limited – What is a double check valve?	A double check valve is a mechanical backflow protection device comprising two single check valves in series, allowing water to flow from upstream to…	– Provides effective backflow protection. – Relatively easy to install and maintain.	– Requires regular inspection and maintenance. – Limited to specific fluid contamination risks (up to fluid category 3).	www.waterregsuk.co.uk
High quality Double Plate Check Valve factory – HongBang	Double Plate Check Valve manufactured by HongBang, suitable for various pipeline applications.	– Excellent sealing to prevent leakage – Compact and lightweight design – High durability with corrosion-resistant materials – Low pressure drop for i…	– Limited temperature range – Potential compatibility issues with certain fluids	industrialcontrolvalve.com
China Valve Factory, Manufacturer & Supplier – TWT VALVE	Double Check Valve and Single Check Valve	– Single Check Valve: Cost-effective, easy to install and maintain. – Double Check Valve: Increased reliability, ideal for critical applications.	– Single Check Valve: Less reliable in high-pressure environments, lower protectio… – Double Check Valve: More expensive, requires more space for in…	www.wtstwtvalve.com
Double Check Valve – DBV valve	The double check valve is a kind of anti-backflow valve designed to protect the water supply from pollution. It consists of two check valves assembled…	– High quality and long-term durability – Reliable sealing due to dual check valve design	– Potentially higher cost compared to single check valves – Requires more space due to dual valve assembly	dbaovalve.com
FEBCO	Watts Brands	FEBCO designs and manufactures high-performance backflow prevention assemblies and flow control products, focusing on quality, performance, and afford…	– Time-tested reliability and quality – Unmatched flow performance	– Potentially higher initial cost compared to standard options – Maintenance may require specialized knowledge

Frequently Asked Questions (FAQs)

What is a double check valve, and why is it important?

A double check valve is a plumbing device that prevents backflow in water systems. It consists of two independent check mechanisms, ensuring that water flows in one direction only. This is crucial for protecting potable water supplies from contamination, making it a key component in many residential and commercial plumbing systems.

How do I know if my double check valve needs replacement?

Signs that your double check valve may need replacement include frequent leaks, water discoloration, unusual noises during operation, or reduced water pressure. If you notice any of these issues, it’s best to consult a professional to assess the situation and recommend the appropriate action.

What materials are commonly used in double check valves?

Double check valves are typically made from durable materials such as brass, stainless steel, or PVC. The choice of material often depends on the application, pressure requirements, and the type of fluid being handled. Each material has its own advantages in terms of durability, corrosion resistance, and cost.

How often should I have my double check valve inspected?

It’s advisable to have your double check valve inspected at least once a year as part of regular plumbing maintenance. This helps ensure that it is functioning properly and can prevent potential issues before they become major problems. If your system is under heavy use or in a critical application, more frequent inspections may be necessary.

Can I install a double check valve myself?

While some homeowners may attempt to install a double check valve themselves, it’s generally recommended to hire a qualified plumber. Proper installation is crucial for ensuring the valve functions correctly and complies with local plumbing codes. A professional can also provide guidance on maintenance and any necessary adjustments.