Are you tired of sifting through countless suppliers for double check valves? Understanding the top factories can save you time and money. By knowing the best options, you can ensure quality and reliability in your projects. Dive in to discover the leading suppliers and make informed choices today!
Wafer Double Disc, Wafer Silent & Globe Silent Check Valves – Keckley
Product Details: Keckley check valves are designed for liquid or gas applications where protection from flow reversal in a pipeline is required. They include Thin Type Single Plate Wafer Check, Wafer Body Double Disc, Retainerless Wafer Lug Body Double Disc, Retainerless Wafer Double Flange Body Double Disc, Wafer Silent Check Valves, and Globe Silent Check Valves.
Technical Parameters:
– Cracking pressure: Low
– Installation: Horizontal or vertical (upward flow)
Application Scenarios:
– Chemical processing
– Oil & gas applications
Pros:
– Outperform conventional swing check valves
– Available optional springs to adjust cracking pressure
Cons:
– May require specific installation orientation
– Potential limitations in high-pressure applications
Search – Ferguson
Product Details: Double check valve for plumbing applications.
Technical Parameters:
– Material: Brass
– Size: 1 inch
Application Scenarios:
– Used in residential plumbing systems
– Prevents backflow in water supply lines
Pros:
– Durable construction
– Easy to install
Cons:
– May require periodic maintenance
– Can be expensive compared to other valves
Double Check Valve Manufacturers Suppliers
Product Details: Double check valves are devices designed to prevent backflow and protect water supplies from contamination. They consist of two single-check valves connected to provide a failsafe mechanism.
Technical Parameters:
– Cracking pressure varies depending on valve design and size.
– Available materials include brass, stainless steel, cast iron, and PVC.
Application Scenarios:
– Used in lawn irrigation systems.
– Commonly found in fire sprinkler systems.
Pros:
– Provides reliable backflow prevention.
– Offers a failsafe mechanism with dual check valves.
Cons:
– May require regular maintenance to prevent debris accumulation.
– Not suitable for all fluid types, depending on material.
Check Valves | Emerson US
Product Details: An extensive range of check valves designed for low cost maintenance and excellent reliability, including compact wafer style designs and swing type wafer check valves.
Technical Parameters:
– High flow efficiency
– Long service life
Application Scenarios:
– Sewage/water applications
– Gas or liquid piping systems
Pros:
– Maximum safety
– Reliable reverse flow protection
Cons:
– Potential for high maintenance in extreme conditions
– Limited availability in certain regions
Double Check Valve Assemblies – Watts
Product Details: Double Check Valve Assemblies designed for use in non-health hazard cross-connections and continuous pressure applications subject to backpressure or backsiphonage incidents.
Technical Parameters:
– Continuous pressure applications
– Suitable for backpressure or backsiphonage incidents
Application Scenarios:
– Lawn sprinklers
– Fire sprinkler lines
– Commercial pools
– Tanks and vats
– Food cookers
Pros:
– Prevents backflow
– Durable construction
Cons:
– Limited to non-health hazard applications
– Requires regular maintenance
DUO-CHEK® High Performance Non-Slam Check Valves
Product Details: Duo-Chek® High Performance Non-Slam Dual Plate Check Valves are the original mission wafer check valves introduced to the market in the late 50’s.
Technical Parameters:
– Body Materials: Cast Iron, Carbon Steel, Stainless Steels, Duplex Stainless Stee…
– Size Range: 2″ to 88″
Application Scenarios:
– Petroleum Refining
– Oil and Gas Production
Pros:
– Dual-plate designs that are compact and lightweight for efficient seating, opera…
– Independent springs with long legs to prevent seat scrubbing and provide non-sla…
Cons:
– Retainerless valve design may limit repair options
– Specific materials may not be suitable for all applications
Check Valves: Wafer Swing Check, Double Door | Bray
Product Details: Bray check valves, also known as non-return valves, feature a simple yet effective design that prevents the backflow of line media including gases, liquids, & more.
Technical Parameters:
– Check Valve Accessory
– Dual Door
– Swing
Application Scenarios:
– Chemical & Petrochemical
– Food & Beverage
– HVAC
– Oil & Gas
Pros:
– Prevents backflow effectively
– Simple design
Cons:
– Limited to specific applications
– May require maintenance over time
Double Check Valve Manufacturers Suppliers | IQS Directory
Product Details: Double check valves are designed to protect water supplies from contamination due to backflow and are commonly used in various applications including air brake systems, lawn irrigation, and fire sprinkler systems.
Technical Parameters:
– Simple mechanics with a seat and plugging mechanism
– Available in various sizes and materials
Application Scenarios:
– Water treatment
– Industrial fluid handling
Pros:
– Prevents backflow and contamination
– Reliable performance with multiple valves
Cons:
– Size variations may affect installation
– Requires consistent evaluation for proper function
Double Disc, Inline Valve Body, Check Valve – Grainger
Product Details: KECKLEY Check Valve Double Disc 45AL87
Technical Parameters:
– Material: Cast Iron
– Size: 2 inch
Application Scenarios:
– Water systems
– Industrial applications
Pros:
– Durable construction
– Efficient flow control
Cons:
– Potential for corrosion
– Requires regular maintenance
Check Valve Manufacturers | Check Valve Suppliers
Product Details: Check valves are safety devices designed to allow fluids and gases to flow in one direction, preventing backflow.
Technical Parameters:
– Material: PVC, brass, stainless steel, etc.
– Size: Available in various sizes from less than an inch to several feet.
Application Scenarios:
– Residential plumbing systems
– Industrial applications in chemical and nuclear facilities
Pros:
– Prevents backflow and contamination
– Enhances system efficiency and safety
Cons:
– May require specific orientation for proper function
– Oversized or undersized valves can lead to operational issues
Related Video
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Wafer Double Disc, Wafer Silent & Globe Silent Check Valves – Keckley | Keckley check valves are designed for liquid or gas applications where protection from flow reversal in a pipeline is required. They include Thin Type… | – Outperform conventional swing check valves – Available optional springs to adjust cracking pressure | – May require specific installation orientation – Potential limitations in high-pressure applications | www.keckley.com |
| Search – Ferguson | Double check valve for plumbing applications. | – Durable construction – Easy to install | – May require periodic maintenance – Can be expensive compared to other valves | www.ferguson.com |
| Double Check Valve Manufacturers Suppliers | Double check valves are devices designed to prevent backflow and protect water supplies from contamination. They consist of two single-check valves co… | – Provides reliable backflow prevention. – Offers a failsafe mechanism with dual check valves. | – May require regular maintenance to prevent debris accumulation. – Not suitable for all fluid types, depending on material. | check-valves.net |
| Check Valves | Emerson US | An extensive range of check valves designed for low cost maintenance and excellent reliability, including compact wafer style designs and swing type w… | – Maximum safety – Reliable reverse flow protection | – Potential for high maintenance in extreme conditions – Limited availability in certain regions |
| Double Check Valve Assemblies – Watts | Double Check Valve Assemblies designed for use in non-health hazard cross-connections and continuous pressure applications subject to backpressure or… | – Prevents backflow – Durable construction | – Limited to non-health hazard applications – Requires regular maintenance | www.watts.com |
| DUO-CHEK® High Performance Non-Slam Check Valves | Duo-Chek® High Performance Non-Slam Dual Plate Check Valves are the original mission wafer check valves introduced to the market in the late 50’s. | – Dual-plate designs that are compact and lightweight for efficient seating, opera… – Independent springs with long legs to prevent seat scrubbing a… | – Retainerless valve design may limit repair options – Specific materials may not be suitable for all applications | cranecpe.com |
| Check Valves: Wafer Swing Check, Double Door | Bray | Bray check valves, also known as non-return valves, feature a simple yet effective design that prevents the backflow of line media including gases, li… | – Prevents backflow effectively – Simple design | – Limited to specific applications – May require maintenance over time |
| Double Check Valve Manufacturers Suppliers | IQS Directory | Double check valves are designed to protect water supplies from contamination due to backflow and are commonly used in various applications including… | – Prevents backflow and contamination – Reliable performance with multiple valves | – Size variations may affect installation – Requires consistent evaluation for proper function |
| Double Disc, Inline Valve Body, Check Valve – Grainger | KECKLEY Check Valve Double Disc 45AL87 | – Durable construction – Efficient flow control | – Potential for corrosion – Requires regular maintenance | www.grainger.com |
| Check Valve Manufacturers | Check Valve Suppliers | Check valves are safety devices designed to allow fluids and gases to flow in one direction, preventing backflow. | – Prevents backflow and contamination – Enhances system efficiency and safety | – May require specific orientation for proper function – Oversized or undersized valves can lead to operational issues |
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, ensuring that contaminated water does not flow back into the clean water supply. It’s crucial for maintaining water quality and protecting public health, especially in commercial and industrial settings.
How do I choose the right double check valve supplier?
When selecting a supplier, consider their reputation, product quality, certifications, and customer service. Look for suppliers with experience in your industry and positive reviews from other customers to ensure you receive reliable products and support.
What materials are commonly used in double check valves?
Double check valves are typically made from durable materials like brass, stainless steel, or plastic. The choice of material depends on the application, pressure requirements, and environmental conditions, so it’s essential to select one that suits your specific needs.
How can I ensure the quality of double check valves from a supplier?
To ensure quality, check if the supplier follows industry standards and certifications. Request product samples, review their testing procedures, and ask about warranties. A reputable supplier will be transparent about their quality control processes.
What is the typical lead time for ordering double check valves?
Lead times can vary based on the supplier and the complexity of your order. Generally, you can expect a lead time of 2 to 6 weeks. It’s best to communicate your needs upfront to get a more accurate estimate from the supplier.