Are you tired of sifting through countless options for duo check valves? Understanding the top suppliers can save you time and money. By comparing the best factories, you’ll discover reliable quality and competitive pricing. Dive in to find the perfect supplier for your needs!
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″; Pressure Rating: Class 125 – 2500
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, 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
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 for fluid control.
– Suitable for applications requiring efficient backflow prevention.
Pros:
– Stronger and lighter than conventional valves.
– Cost-effective and easy to install.
Cons:
– Limited to specific sizes and pressure ratings.
– May not be suitable for all fluid types.
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 robust valve solutions
Pros:
– Retainerless designs to API 594 end-to-end dimensions
– Made from a variety of materials including cast iron, cast steel, and stainless…
Cons:
– Limited information on specific applications
– Potentially higher cost due to exotic materials
DUO-CHEK – CRANE ChemPharma & Energy
Product Details: Duo-Chek® valves are designed for low-pressure drop flow reversal protection and are available in cast iron, cast steel, stainless steel, and a variety of 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:
– High performance in low-pressure drop applications
– Available in a wide range of materials
Cons:
– Limited information on specific performance metrics
– Potentially higher cost due to specialized materials
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, stainless steel, and exotic materials.
Technical Parameters:
– High performance non-slam design
– Available in multiple materials
Application Scenarios:
– Petroleum refining
– Oil and gas production
– Chemical and petrochemical
– Power generation
– Steel/primary metals
– Marine
– Water and wastewater
– Pulp and paper
Pros:
– Standard for low-pressure drop flow reversal protection
– Wide range of material options
Cons:
– Specific performance metrics not provided
– Potentially higher cost compared to standard check valves
Duo-Check – Superiorvalves
Product Details: Duo-Chek wafer valve design is stronger, lighter, smaller, more efficient and less expensive than conventional swing check valves. Meets API 594 standards.
Technical Parameters:
– Approximately one fourth the face to face dimension of conventional valves
– 15% to 20% the weight of conventional valves
Application Scenarios:
– Installation between standard gaskets and line flanges
– High performance nonslam check valve applications
Pros:
– Easier to install and handle
– More cost effective to install and maintain
Cons:
– May not be suitable for all valve configurations
– Special design features may not be found in other check valves
Duo-Chek® Valves – Welkin Oilfield and Industrial Supplies Corp.
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. The valve is available in the sizes, pressure classes and configurations required to meet the most demanding of applications.
Technical Parameters:
– Brand: Duo-Chek®
– ASME Class: 125-4500, Sizes: 2″-84″, DN: 50-2100, Materials: Cast Iron, Bronze,…
Application Scenarios:
– Used in various industrial applications requiring reliable check valves.
– Suitable for high-pressure systems.
Pros:
– Wide range of sizes and pressure classes available.
– Multiple material options for different applications.
Cons:
– Limited to specific configurations.
– May require specific installation techniques.
Stainless Steel 150 lb Duo Check Wafer Valve with Stainless Steel Trim
Product Details: Stainless Steel 150 lb Duo Check Wafer Valve with Stainless Steel Trim – Product # 302707
Technical Parameters:
– Valve Type: Duo Check
– Specification Type: ASME
– Connection Type: Wafer
– Pressure Rating: 150 lb
– Body Material: Stainless Steel
– Trim Material: Stainless Steel
Application Scenarios:
– Backflow prevention in fluid systems
– Used in various industrial and commercial piping systems
Pros:
– Durable stainless steel construction
– Wide range of sizes and options available
Cons:
– May require specific installation knowledge
– Potentially higher cost compared to plastic alternatives
Duo Check Valve – ZECO Valve
Product Details: Duo Check Valve with dual-plate designs that are compact and lightweight for efficient seating, operation, and lower installation cost.
Technical Parameters:
– Body Material: ASTM A351 CF8
– Seat Ring Material: SS304
– Disc Material: ASTM A351 CF8
– Spring Material: Inconel X 750
– Pin Material: ASTM A182 F304
Application Scenarios:
– Critical service applications requiring non-slam performance
– Pipelines where backflow prevention is essential
Pros:
– Compact and lightweight design
– Independent springs prevent seat scrubbing
Cons:
– Retainerless design may complicate maintenance
– Specific material requirements may limit compatibility
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… | – Retainerless valve design may limit repair options – Specific materials may not be suitable for all applications | cranecpe.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 easy to install. | – Limited to specific sizes and pressure ratings. – May not be suitable for all fluid types. | www.aivinc.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… | – Retainerless designs to API 594 end-to-end dimensions – Made from a variety of materials including cast iron, cast steel, and stainless… | – Limited information on specific applications – Potentially higher cost due to exotic materials | mengervalve.com |
| DUO-CHEK – CRANE ChemPharma & Energy | Duo-Chek® valves are designed for low-pressure drop flow reversal protection and are available in cast iron, cast steel, stainless steel, and a variet… | – High performance in low-pressure drop applications – Available in a wide range of materials | – Limited information on specific performance metrics – Potentially higher cost due to specialized materials | cranecpe.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 flow reversal protection – Wide range of material options | – Specific performance metrics not provided – Potentially higher cost compared to standard check valves | www.totalvalve.com |
| Duo-Check – Superiorvalves | Duo-Chek wafer valve design is stronger, lighter, smaller, more efficient and less expensive than conventional swing check valves. Meets API 594 stand… | – Easier to install and handle – More cost effective to install and maintain | – May not be suitable for all valve configurations – Special design features may not be found in other check valves | www.superiorvalves.com |
| Duo-Chek® Valves – Welkin Oilfield and Industrial Supplies Corp. | Duo-Chek® High Performance Non-Slam Check Valves are the original Mission Manufacturing Company wafer check valves introduced to the market in the lat… | – Wide range of sizes and pressure classes available. – Multiple material options for different applications. | – Limited to specific configurations. – May require specific installation techniques. | welkinoilfield.com |
| Stainless Steel 150 lb Duo Check Wafer Valve with Stainless Steel Trim | Stainless Steel 150 lb Duo Check Wafer Valve with Stainless Steel Trim – Product # 302707 | – Durable stainless steel construction – Wide range of sizes and options available | – May require specific installation knowledge – Potentially higher cost compared to plastic alternatives | catalog.wosupply.com |
| Duo Check Valve – ZECO Valve | Duo Check Valve with dual-plate designs that are compact and lightweight for efficient seating, operation, and lower installation cost. | – Compact and lightweight design – Independent springs prevent seat scrubbing | – Retainerless design may complicate maintenance – Specific material requirements may limit compatibility | zecovalve.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 correct direction and close when the flow reverses. This design helps protect your system from potential damage caused by backflow.
Why should I choose a specific supplier for duo check valves?
Choosing a reliable supplier ensures you receive high-quality products that meet industry standards. A good supplier will also provide excellent customer service, timely delivery, and support for installation and maintenance, making your experience smoother and more efficient.
What materials are commonly used in duo check valves?
Duo check valves are often made from materials like stainless steel, brass, or PVC, depending on the application and fluid type. Stainless steel is preferred for its durability and resistance to corrosion, while PVC is lightweight and cost-effective for less demanding environments.
How can I determine the right size of duo check valve for my system?
To determine the right size, you need to consider the flow rate, pipe diameter, and pressure requirements of your system. It’s essential to consult with your supplier or a professional to ensure you select a valve that fits your specific needs and maintains optimal performance.
What maintenance is required for duo check valves?
Regular maintenance for duo check valves includes inspecting for leaks, ensuring the discs open and close properly, and cleaning any debris that may affect their operation. It’s also a good idea to check the valve periodically for signs of wear and replace it if necessary to ensure reliable performance.