Are you tired of sifting through countless options for double check valves? Understanding the top manufacturers can save you time and money. By comparing these factories, you’ll discover reliable quality and performance. Dive in to find the best choices that meet your needs and elevate your projects!
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: Primarily in horizontal lines or vertical (upward flow) applicatio…
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
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:
– Potentially high initial cost
– Maintenance may be required for optimal performance
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.
– Available in various materials suitable for different applications.
Cons:
– Brass check valves are not resistant to chlorinated or seawater.
– PVC check valves have limited temperature resistance.
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
– 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, opera…
– Independent springs with long legs to prevent seat scrubbing and provide non-sla…
– Retainerless valve design without body penetration for critical service applicat…
Cons:
– Generic placeholder for cons
– Generic placeholder for cons
Spring Check Valve | Manufacturing Company | Check-All Valve Mfg. Co.
Product Details: Loader for request verification
Technical Parameters:
– Verification process
– Loading time
Application Scenarios:
– Web applications
– User request handling
Pros:
– User-friendly interface
– Efficient request processing
Cons:
– Dependent on server response
– Potential delays during high traffic
API 594 & API 598 Dual Plate Check Valve Manufacturer – Powell Valves
Product Details: API 594 Dual Plate Check Valves are 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″
– Styles: Wafer, Lug, Double Flange
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 sizes and classes
– May require special cleaning for certain applications
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 diameters 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
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 dual valve system
Cons:
– May require periodic testing
– Size limitations in compact installations
Low Pressure Check Valve Manufacturer
Product Details: U.S. Valve is a leading low pressure check valve manufacturer known for its unique Elastomer Design, providing the lowest pressure drop and highest Cv in the industry. The valves are certified to meet NSF 61 and NSF 372 requirements.
Technical Parameters:
– Available in various configurations and materials
– Suitable for any orientation including vertical up flow and downflow
Application Scenarios:
– Used to isolate non-operating pumps or blowers in parallel installations
– Prevent backflow in processes or equipment
Pros:
– Lowest pressure drop and highest Cv in the industry
– Wide variety of check valve types and materials available
Cons:
– ANSI dual plate wafer check valves do not feature the low ∆P elastomer design
– Specific applications may require different valve types
Double Check Valve – Indusrtrial Valve Manufacturer
Product Details: Double check valve is a type of valve used to prevent backflow of fluid in water supply systems, made up of two check valves assembled in series.
Technical Parameters:
– Material: Stainless steel, Brass, PVC
– Temperature Range: -10°C to 85°C for Brass, below 60°C for Stainless Steel, low-…
Application Scenarios:
– Garden irrigation
– Fire protection systems
– Commercial water tanks
– Household water systems
– Mixed boiler systems
Pros:
– Lightweight and small in size
– Durable and versatile for different applications
– Free from fluid leakage
– Cheaper relative to other check valves
– High efficiency and automatic operation
Cons:
– Limited to small flow rates
– Allows fluid flow in only one direction
– Cannot be inspected in a closed or open state
– Not suitable for pulsation systems
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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 |
| 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 | – Potentially high initial cost – Maintenance may be required for optimal performance |
| 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. – Available in various materials suitable for different applications. | – Brass check valves are not resistant to chlorinated or seawater. – PVC check valves have limited temperature resistance. | check-valves.net |
| 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… | – Generic placeholder for cons – Generic placeholder for cons | cranecpe.com |
| Spring Check Valve | Manufacturing Company | Check-All Valve Mfg. Co. | Loader for request verification | – User-friendly interface – Efficient request processing |
| API 594 & API 598 Dual Plate Check Valve Manufacturer – Powell Valves | API 594 Dual Plate Check Valves are manufactured by Powell Valves, available in ASME classes 150 to 600, made from cast carbon steel, stainless steel,… | – Retainerless body design eliminates outside leakage – High torsion inconel springs for quick closing | – Limited to specific sizes and classes – May require special cleaning for certain applications | www.powellvalves.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 |
| 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 dual valve system | – May require periodic testing – Size limitations in compact installations |
| Low Pressure Check Valve Manufacturer | U.S. Valve is a leading low pressure check valve manufacturer known for its unique Elastomer Design, providing the lowest pressure drop and highest Cv… | – Lowest pressure drop and highest Cv in the industry – Wide variety of check valve types and materials available | – ANSI dual plate wafer check valves do not feature the low ∆P elastomer design – Specific applications may require different valve types | www.usvalve.com |
| Double Check Valve – Indusrtrial Valve Manufacturer | Double check valve is a type of valve used to prevent backflow of fluid in water supply systems, made up of two check valves assembled in series. | – Lightweight and small in size – Durable and versatile for different applications – Free from fluid leakage – Cheaper relative to other check valves… | – Limited to small flow rates – Allows fluid flow in only one direction – Cannot be inspected in a closed or open state – Not suitable for pulsation s… | ntgdvalve.com |
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 ensures that water flows in one direction, protecting your water supply from contamination. This is especially important in residential and commercial settings where cross-connections can occur.
How do I choose a reliable double check valve manufacturer?
When selecting a manufacturer, consider their reputation, product quality, and customer reviews. Look for certifications and compliance with industry standards. A manufacturer with a solid track record and good customer service will ensure you receive a reliable product.
What materials are commonly used in double check valves?
Double check valves are typically made from brass, stainless steel, or plastic. Brass and stainless steel are preferred for their durability and resistance to corrosion, while plastic valves are lightweight and cost-effective. The choice of material often depends on the application and environment.
How can I ensure proper installation of a double check valve?
To ensure proper installation, follow the manufacturer’s guidelines and local plumbing codes. It’s essential to install the valve in the correct orientation and location, typically after the water meter. If you’re unsure, consider hiring a professional plumber for assistance.
What maintenance is required for double check valves?
Regular maintenance includes inspecting the valve for leaks, ensuring it opens and closes properly, and cleaning any debris that may affect its function. It’s a good idea to have a professional check the valve periodically to ensure it operates efficiently and meets safety standards.