Are you tired of sifting through countless options for dual check valves? Understanding the top manufacturers can save you time and money. By knowing the best factories, you ensure quality and reliability in your projects. Dive in to discover the leading names in the industry and make informed choices!
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
– Designed to open with a relatively low cracking pressure
Cons:
– May require optional springs to adjust cracking pressure
– Limited space applications may restrict valve size
DUO-CHEK® High Performance Non-Slam Check Valves
Product Details: Duo Chek High Performance Non-Slam Check Valves
Technical Parameters:
– Body Materials: Cast Iron, Carbon Steel, Stainless Steels, Duplex Stainless Stee…
– Size Range: 2″ to 88″
– Pressure Rating: Class 125 – 2500
– Body Configuration: Wafer, lug, double flanged, weld end, hub end, and extended…
Application Scenarios:
– Petroleum Refining
– Oil and Gas Production
– Chemicals and Petrochemicals
– Power Generation
– Steel/Primary Metals
– Marine
– Water and Wastewater
– Pulp and Paper
– FPSO
– LNG (Liquefaction / Regasification)
– Renewable Energy
– Oil Transmission Pipelines
Pros:
– Dual-plate designs that are compact and lightweight for efficient seating and op…
– Independent springs with long legs to prevent seat scrubbing and provide non-sla…
– Retainerless valve design without body penetration for critical service applicat…
Cons:
– Information not specified
– Information not specified
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 in a failsafe manner.
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.
– Can be cleaned and maintained easily.
Cons:
– Not suitable for all fluid types.
– May require specific installation orientation.
API 594 & API 598 Dual Plate Check Valve Manufacturer – Powell Valves
Product Details: API 594 Dual Plate Check Valves manufactured by Powell Valves, available in ASME classes 150 to 600, made from cast carbon steel, stainless steel, or alloy steel.
Technical Parameters:
– Sizes: 2″ to 24″
– Figure Numbers: 1570 / 3070 / 6070
Application Scenarios:
– Industrial applications requiring reliable check valves
– Pipelines in petrochemical and power generation industries
Pros:
– Retainerless body design eliminates outside leakage
– High torsion inconel springs for quick closing
Cons:
– Limited to specific size ranges
– Potentially higher cost compared to standard check valves
Check Valves • Industrial Check Valve Manufacturer
Product Details: Check valves from RED-WHITE VALVE CORP. include various types such as in-line, swing, and dual-plate check valves made from materials like brass, bronze, iron, and stainless steel.
Technical Parameters:
– Material compatibility
– Operating conditions
Application Scenarios:
– HVAC systems
– Plumbing applications
Pros:
– Prevents backflow
– Enhances safety
Cons:
– May require specific installation conditions
– Limited to unidirectional flow
Wafer Type Check Valves, Dual Plate Check Valves – Advance Valves
Product Details: Dual Plate Check Valves are all-purpose non-return valves that are stronger, lighter, and smaller than conventional swing check valves.
Technical Parameters:
– Sizes from 2” to 120” diameter.
– ANSI Class 125 to ANSI Class 2500.
Application Scenarios:
– Used in plumbing and industrial applications to prevent backflow.
– Installed at service entrances or points of use where backflow risk is greatest.
Pros:
– No Water Hammer and Non-Slam characteristics.
– Durable and reliable with minimal moving parts.
Cons:
– May require specific installation conditions.
– Potentially higher initial cost compared to traditional valves.
Dual Plate Check Valve Manufacturers in USA – Valves Only
Product Details: Dual Plate Check Valve, also known as a dual-door or divided disc check valve, is a one-way valve that permits fluid to move in one direction while hindering reverse flow. It features two spring-loaded plates or discs that rotate on a hinge pin.
Technical Parameters:
– Available Materials: Cast Iron, Ductile Iron, WCB, WC6, LCC, LCB, WCC, SS304, SS…
– Size: 2” to 48”, Class: 150 to 1500, Nominal Pressure: PN6 to PN250
Application Scenarios:
– Preventing backflow in pipelines to avoid contamination
– Used in various industrial and commercial operations
Pros:
– Smaller and lighter than other check valve types, making installation easier
– Minimal pressure drop due to design, enabling smooth flow
Cons:
– May require regular maintenance to ensure proper function
– Potential for wear on the spring mechanism over time
Check Valves | Emerson US
Product Details: An extensive range of check valves designed for low cost maintenance and excellent reliability, including models with compact wafer style design 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 compatibility with certain flange standards
Dual-Plate Check Valves – GESTRA
Product Details: BB DISCOCHECK dual-plate check valves are designed for systems with low pressure drop, preventing backflow in horizontal and vertical pipelines. They are wafer-type valves with a double swing design, two hinge pins, and four springs.
Technical Parameters:
– Ideal for gas and liquid applications
– Optimised flow to reduce energy loss
Application Scenarios:
– HVAC systems
– Sanitary applications
Pros:
– Low wear operation with a long service life
– Stable operation to suit a wide range of operating conditions
Cons:
– Limited information on specific pressure ratings
– Potential for debris build-up if not maintained
Dual plate check valve – All industrial manufacturers – DirectIndustry
Product Details: Dual plate check valves are designed for installation between flanges, providing efficient flow control and minimizing energy loss.
Technical Parameters:
– DN: 50 mm – 1,500 mm
– Pressure: 10 bar – 420 bar, Temperature: -254 °C – 593 °C
Application Scenarios:
– General service piping systems
– Water distribution and filtration systems
Pros:
– Reduced weight minimizes slamming and water hammer
– Compact design allows for easy installation
Cons:
– May require specific installation conditions
– Performance can vary based on fluid characteristics
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 – Designed to open with a relatively low cracking pressure | – May require optional springs to adjust cracking pressure – Limited space applications may restrict valve size | www.keckley.com |
| DUO-CHEK® High Performance Non-Slam Check Valves | Duo Chek High Performance Non-Slam Check Valves | – Dual-plate designs that are compact and lightweight for efficient seating and op… – Independent springs with long legs to prevent seat scrubbing a… | – Information not specified – Information not specified | cranecpe.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. – Can be cleaned and maintained easily. | – Not suitable for all fluid types. – May require specific installation orientation. | check-valves.net |
| API 594 & API 598 Dual Plate Check Valve Manufacturer – Powell Valves | API 594 Dual Plate Check Valves manufactured by Powell Valves, available in ASME classes 150 to 600, made from cast carbon steel, stainless steel, or… | – Retainerless body design eliminates outside leakage – High torsion inconel springs for quick closing | – Limited to specific size ranges – Potentially higher cost compared to standard check valves | www.powellvalves.com |
| Check Valves • Industrial Check Valve Manufacturer | Check valves from RED-WHITE VALVE CORP. include various types such as in-line, swing, and dual-plate check valves made from materials like brass, bron… | – Prevents backflow – Enhances safety | – May require specific installation conditions – Limited to unidirectional flow | redwhitevalvecorp.com |
| Wafer Type Check Valves, Dual Plate Check Valves – Advance Valves | Dual Plate Check Valves are all-purpose non-return valves that are stronger, lighter, and smaller than conventional swing check valves. | – No Water Hammer and Non-Slam characteristics. – Durable and reliable with minimal moving parts. | – May require specific installation conditions. – Potentially higher initial cost compared to traditional valves. | www.advancevalves.com |
| Dual Plate Check Valve Manufacturers in USA – Valves Only | Dual Plate Check Valve, also known as a dual-door or divided disc check valve, is a one-way valve that permits fluid to move in one direction while hi… | – Smaller and lighter than other check valve types, making installation easier – Minimal pressure drop due to design, enabling smooth flow | – May require regular maintenance to ensure proper function – Potential for wear on the spring mechanism over time | valvesonly.com |
| Check Valves | Emerson US | An extensive range of check valves designed for low cost maintenance and excellent reliability, including models with compact wafer style design and s… | – Maximum safety – Reliable reverse flow protection | – Potential for high maintenance in extreme conditions – Limited compatibility with certain flange standards |
| Dual-Plate Check Valves – GESTRA | BB DISCOCHECK dual-plate check valves are designed for systems with low pressure drop, preventing backflow in horizontal and vertical pipelines. They… | – Low wear operation with a long service life – Stable operation to suit a wide range of operating conditions | – Limited information on specific pressure ratings – Potential for debris build-up if not maintained | www.gestra.com |
| Dual plate check valve – All industrial manufacturers – DirectIndustry | Dual plate check valves are designed for installation between flanges, providing efficient flow control and minimizing energy loss. | – Reduced weight minimizes slamming and water hammer – Compact design allows for easy installation | – May require specific installation conditions – Performance can vary based on fluid characteristics | www.directindustry.com |
Frequently Asked Questions (FAQs)
What is a dual check valve and why is it important?
A dual check valve is a device that prevents backflow in plumbing systems, ensuring that water flows in one direction only. This is crucial for protecting your water supply from contamination and maintaining system efficiency.
How do I choose a reliable dual check valve manufacturer?
When selecting a manufacturer, consider their reputation, product quality, certifications, and customer reviews. Look for companies with a proven track record in the industry and those that offer warranties on their products.
What materials are commonly used in dual check valves?
Dual check valves are typically made from materials like brass, stainless steel, and PVC. The choice of material depends on the application, pressure requirements, and environmental conditions.
Are dual check valves easy to install?
Yes, dual check valves are generally straightforward to install. However, it’s essential to follow the manufacturer’s instructions and ensure proper orientation to guarantee optimal performance.
How often should I inspect my dual check valve?
It’s a good practice to inspect your dual check valve annually. Regular checks help identify any wear or damage, ensuring that it functions correctly and prolonging its lifespan.