Are you tired of sifting through countless options for duo 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!
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:
– Limited information on specific drawbacks
– Generic placeholder for cons
Crane Duo-Chek High Performance Non-Slam Check Valves
Product Details: Duo-Chek® high-performance non-slam check valves with dual-plate design for tight shutoff and non-slam performance.
Technical Parameters:
– Sizes range from 2 to 88 inches.
– Pressure classes per ASME range from 125 to 2500.
Application Scenarios:
– Petroleum Refining
– Water and Wastewater Treatment
Pros:
– Compact and lightweight design for efficient operation.
– Corrosion-resistant materials for durability.
Cons:
– Limited to specific pressure classes.
– May require specific configurations for certain applications.
Duochek Valves – Menger Valve
Product Details: Duo-Chek high performance non-slam check valves are the original Mission Manufacturing Company wafer check valves introduced to the market in the late 50’s. Available in various sizes, pressure classes, and configurations.
Technical Parameters:
– Sizes up to 88″
– Pressure ratings up to class 4500
Application Scenarios:
– Low-pressure drop flow reversal protection
– Demanding applications requiring retainerless designs
Pros:
– Made from a variety of materials including cast iron, cast steel, and stainless…
– Offers a wide variety of trim materials including both metal and resilient seats
Cons:
– Limited information on specific applications
– Potentially higher cost due to exotic materials
AIV Product Line – AIV Inc
Product Details: Crane – Duo Chek II is a dual plate wafer check valve that is stronger, lighter, smaller, more efficient, and less expensive than conventional swing check valves. It is easy to install between standard gasket and line flanges.
Technical Parameters:
– Size: 2” – 72”
– Pressure Rating: 150# – 2500#
– Materials: WCB, 316SS, LCC
– Design: Wafer, Lug, Double Flanged, Soft Seated, Metal Seated & Full Stellite De…
– Certification: CE Marked
Application Scenarios:
– Used in various piping systems where backflow prevention is required.
– Suitable for applications in water, oil, and gas industries.
Pros:
– Stronger and lighter than conventional valves.
– Cost-effective and efficient design.
Cons:
– May require specific installation techniques.
– Limited to certain pressure and size specifications.
DUO-CHEK – CRANE ChemPharma & Energy
Product Details: Duo-Chek® valves are designed for low-pressure drop flow reversal protection, made from cast iron, cast steel, stainless steel, and various exotic materials.
Technical Parameters:
– Sizes up to 88″
– Pressure ratings up to class 4500
Application Scenarios:
– Petroleum refining
– Oil and gas production
– Chemical and petrochemical
– Power generation
– Steel/primary metals
– Marine
– Water and wastewater
– Pulp and paper
Pros:
– Long-standing standard for flow reversal protection
– Available in a variety of materials
Cons:
– Limited information on specific performance metrics
– Potentially high cost for specialized materials
Keckley Company | Check Valves
Product Details: Check valves are designed to allow fluid to flow in one direction while preventing backflow.
Technical Parameters:
– Material: Stainless Steel
– Pressure Rating: 150 PSI
Application Scenarios:
– Water Supply Systems
– Industrial Processes
Pros:
– Prevents backflow
– Durable construction
Cons:
– May require maintenance
– Limited flow capacity
Product Details: WAFER DUO CHECK VALVE
Technical Parameters:
– Design in accordance with API 594
– Available in various classes: 150, 300, 600, 900, 1500, 2500
Application Scenarios:
– Fluid control in petrochemical and oil & gas industries
– Suitable for non-corrosive applications including water, oil, and gases
Pros:
– Lightweight and cost-efficient to purchase, install, and maintain
– Silent operation with no slamming upon closing
Cons:
– May not be suitable for high-pressure applications beyond specified classes
– Limited to specific materials and trims for certain applications
Brands > Duo-Chek – Total Valve
Product Details: Duo-Chek® high performance check valves are designed for low-pressure drop flow reversal protection, available in various materials including cast iron, cast steel, and stainless steel.
Technical Parameters:
– High performance
– Non-slam design
Application Scenarios:
– Petroleum refining
– Chemical and petrochemical
Pros:
– Standard for low-pressure drop
– Available in exotic materials
Cons:
– Limited specific technical parameters provided
– Potentially higher cost due to high performance
China Duo Check Valve Manufacturer, Supplier | WELCO
Product Details: Duo Check Valve by WELCO Valve Co., Ltd. is designed to prevent backflow and ensure smooth operation with two independently acting check valves in a single unit.
Technical Parameters:
– High-quality materials
– Precision engineering
Application Scenarios:
– Oil and gas industry
– Water treatment
Pros:
– Reliable and efficient
– Minimal pressure drop
Cons:
– Requires regular maintenance
– May not fit all piping systems
Duo-Chek Dual Door Check Valves – CROSS CONTROLS
Product Details: Duo-Chek High Performance Non-Slam Check Valves are available in sizes 2″ to 72″ with pressure classes from 125 to 2500. Configurations include Wafer, Lug, and Double Flange, and materials include Cast Iron, Carbon Steel, and Stainless Steel.
Technical Parameters:
– Sizes: 2″ to 72″
– Pressure Class: 125 to 2500
Application Scenarios:
– Used in various industrial applications requiring non-slam check valves.
– Suitable for systems where backflow prevention is critical.
Pros:
– High performance and reliability.
– Available in multiple configurations and materials.
Cons:
– Limited size range may not fit all applications.
– Potentially higher cost compared to standard check valves.
Related Video
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| 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… | – Limited information on specific drawbacks – Generic placeholder for cons | cranecpe.com |
| Crane Duo-Chek High Performance Non-Slam Check Valves | Duo-Chek® high-performance non-slam check valves with dual-plate design for tight shutoff and non-slam performance. | – Compact and lightweight design for efficient operation. – Corrosion-resistant materials for durability. | – Limited to specific pressure classes. – May require specific configurations for certain applications. | www.craneengineering.net |
| Duochek Valves – Menger Valve | Duo-Chek high performance non-slam check valves are the original Mission Manufacturing Company wafer check valves introduced to the market in the late… | – Made from a variety of materials including cast iron, cast steel, and stainless… – Offers a wide variety of trim materials including both metal an… | – Limited information on specific applications – Potentially higher cost due to exotic materials | mengervalve.com |
| AIV Product Line – AIV Inc | Crane – Duo Chek II is a dual plate wafer check valve that is stronger, lighter, smaller, more efficient, and less expensive than conventional swing c… | – Stronger and lighter than conventional valves. – Cost-effective and efficient design. | – May require specific installation techniques. – Limited to certain pressure and size specifications. | www.aivinc.com |
| DUO-CHEK – CRANE ChemPharma & Energy | Duo-Chek® valves are designed for low-pressure drop flow reversal protection, made from cast iron, cast steel, stainless steel, and various exotic mat… | – Long-standing standard for flow reversal protection – Available in a variety of materials | – Limited information on specific performance metrics – Potentially high cost for specialized materials | cranecpe.com |
| Keckley Company | Check Valves | Check valves are designed to allow fluid to flow in one direction while preventing backflow. | – Prevents backflow – Durable construction | – May require maintenance – Limited flow capacity |
| WAFER DUO CHECK VALVE | – Lightweight and cost-efficient to purchase, install, and maintain – Silent operation with no slamming upon closing | – May not be suitable for high-pressure applications beyond specified classes – Limited to specific materials and trims for certain applications | www.flowandcontrol.com | |
| Brands > Duo-Chek – Total Valve | Duo-Chek® high performance check valves are designed for low-pressure drop flow reversal protection, available in various materials including cast iro… | – Standard for low-pressure drop – Available in exotic materials | – Limited specific technical parameters provided – Potentially higher cost due to high performance | www.totalvalve.com |
| China Duo Check Valve Manufacturer, Supplier | WELCO | Duo Check Valve by WELCO Valve Co., Ltd. is designed to prevent backflow and ensure smooth operation with two independently acting check valves in a s… | – Reliable and efficient – Minimal pressure drop | – Requires regular maintenance – May not fit all piping systems |
| Duo-Chek Dual Door Check Valves – CROSS CONTROLS | Duo-Chek High Performance Non-Slam Check Valves are available in sizes 2″ to 72″ with pressure classes from 125 to 2500. Configurations include Wafer,… | – High performance and reliability. – Available in multiple configurations and materials. | – Limited size range may not fit all applications. – Potentially higher cost compared to standard check valves. | crosscontrols.com |
Frequently Asked Questions (FAQs)
What is a duo check valve and how does it work?
A duo check valve is a type of valve that allows fluid to flow in one direction while preventing backflow. It typically consists of two discs that open when fluid flows in the desired direction and close when flow reverses. This mechanism helps protect your system from potential damage caused by backflow.
What materials are commonly used in duo check valves?
Duo check valves are often made from materials like stainless steel, brass, and PVC. The choice of material depends on the application, including factors like pressure, temperature, and the type of fluid being handled. Each material offers different benefits in terms of durability and corrosion resistance.
How do I choose the right duo check valve manufacturer?
When selecting a duo check valve manufacturer, consider their reputation, product quality, and customer service. Look for manufacturers with industry certifications and positive reviews. It’s also helpful to check if they offer a range of products that meet your specific needs and if they provide technical support.
What are the common applications for duo check valves?
Duo check valves are widely used in various applications, including water supply systems, wastewater treatment, and HVAC systems. They are essential in any system where preventing backflow is crucial, ensuring the safety and efficiency of fluid transport.
How can I ensure the longevity of my duo check valve?
To extend the life of your duo check valve, perform regular maintenance checks and ensure it is installed correctly. Monitor for signs of wear or damage, and replace any worn components promptly. Additionally, using the valve within its specified pressure and temperature limits will help maintain its functionality.