Are you tired of sifting through countless options for non-slam 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!
Top 9 Non Slam Check Valve Manufacturers | NTVAL
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
Non Slam Check Valve | NTVAL
Product Details: Non Slam Check Valve designed to prevent backflow and water hammer, ensuring smooth operation in tough environments.
Technical Parameters:
– Size Range: NPS 2 to NPS 36
– Pressure Range: 150LB to 2500LB
Application Scenarios:
– Chemical Processing
– Power Generation
Pros:
– Reduced maintenance costs due to fewer moving parts.
– Increased safety and reliability by preventing water hammer.
Cons:
– Not suitable for media containing solid particles.
– May not perform well in high viscosity applications.
Nozzle Type Check Valve | DFT Valves – DFT® Inc
Product Details: Nozzle Type Check Valve by DFT®
Technical Parameters:
– Designed for low pressure or intermittent flow
– Features a disc shutoff mechanism held by an internal spring
Application Scenarios:
– Residential plumbing systems to reduce water hammer
– Chemical processing and petroleum processing plants for backflow protection
Pros:
– Quick and dynamic responses to changes in flow pressure and velocity
– Zero leakage performance compared to other check valve types
Cons:
– May not be suitable for high-pressure applications
– Limited to specific flow scenarios
Non-slam Check Valves
Product Details: EXPERT make Non-Slam Check Valves are lift type non return valves used in pipelines to prevent back-flow of the fluid. Designed to fit between two flanges, these valves provide a compact installation when compared to the conventional flanged end check valves.
Technical Parameters:
– Design Standard: Manufacturer’s Standard
– Testing Standard: API598
Application Scenarios:
– Chemical
– Pharmaceutical
– Power Generation
– Textile
– Water Treatment
– Boilers
– Breweries
– Hot & cold water systems
– Heating systems
– Steam and condensate line
– Oil lines
Pros:
– Compact: Requires little space in pipes
– Light Weight – compared to flanged end valves
– Extremely low opening pressures
– Lapped seat to provide tight shut-off
– Soft seat option available
– Easy to install and maintain
– Cam design on body diameter enables self centering during installation
– Can be mounted in any plane
– Suitable for wide variety of liquids and vapors
Cons:
– Not recommended for pulp lines
– Not recommended for compressor delivery lines
NOZ-CHEK® High Performance Nozzle-Type Non-Slam Check Valves
Product Details: Noz-Chek® High Performance Nozzle-Type Non-Slam Check Valves are designed for fast-reversing systems where backflow is a constant concern.
Technical Parameters:
– Size Range: ¾” – 84” / DN20-2100
– Pressure Ratings: Class 150 – 4500, API 6A Class 2000 – 15,000
Application Scenarios:
– Gas Transmission: Compressor Suction/Discharge/Bypass
– Power Generation: Feedwater, Cooling water, Blowdown, Steam
Pros:
– Minimizes the damaging effects of water hammer in fluid systems.
– Protects rotating equipment from damage due to flow reversal.
Cons:
– Limited information on specific drawbacks.
– Standard spring may not suit all applications.
NOZ-CHEK® Forged Axial Non-Slam Check Valves
Product Details: Noz-Chek® Forged Axial Non-Slam Check Valves are designed for fast-reversing systems where backflow is a constant concern.
Technical Parameters:
– API 6A Design: Valve type approved to API 6A PR2.
– High Pressure Class: Available for up to API 15,000 Pressure classes, and ANSI 2…
Application Scenarios:
– FPSO
– Gas wellhead
Pros:
– Threaded diffuser base eliminates sealing area misalignment.
– Locking snap ring prevents diffuser unscrewing over long term operation.
Cons:
– Limited size range (2” – 24”, other sizes available on request).
– Potentially high pressure ratings may not be suitable for all applications.
DFT® Silent Check Valves – DFT® Inc
Product Details: DFT® Silent Check Valves are designed to reduce or eliminate water hammer and its effects, featuring spring-assisted mechanisms for smooth operation.
Technical Parameters:
– Starts opening at approximately 0.5 PSI differential pressure
– Full opening occurs at 1.0 PSI differential pressure
Application Scenarios:
– Ideal for use in horizontal and vertical installations in liquid, gas, or steam…
– Recommended for commercial and industrial applications
Pros:
– Prevents water hammer and reverse flow effectively
– Can be custom sized for specific applications
Cons:
– May require specific installation conditions
– Performance can vary based on application requirements
Non Slam Check Valve – Indusrtrial Valve Manufacturer
Product Details: Non Slam Check Valve – Resilient or Metal Seat, Size Range: NPS 2 to NPS 36, Pressure Range: 150LB to 2500LB, Design STD.: ASME B16.34
Technical Parameters:
– Automatic opening and closing valve disc
– Prevents back flow of the medium
Application Scenarios:
– Used in systems to prevent backflow
– Suitable for auxiliary systems where pressure may rise
Pros:
– Reduces noise during operation
– Prevents pump and drive motor from reversing
Cons:
– Not suitable for media containing solid particles
– Not suitable for high viscosity media
Grayloc® Non-Slam Nozzle Check Valves | Oceaneering
Product Details: Grayloc Non-Slam Nozzle Check Valves are designed to provide reliable performance in various applications.
Technical Parameters:
– Material: Carbon Steel
– Pressure Rating: 1500 psi
Application Scenarios:
– Oil and Gas Industry
– Water Treatment Facilities
Pros:
– Prevents backflow effectively
– Durable and long-lasting design
Cons:
– Higher initial cost
– Requires regular maintenance
Related Video
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Top 9 Non Slam Check Valve Manufacturers | NTVAL | |||
| 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 |
| Non Slam Check Valve | NTVAL | Non Slam Check Valve designed to prevent backflow and water hammer, ensuring smooth operation in tough environments. | – Reduced maintenance costs due to fewer moving parts. – Increased safety and reliability by preventing water hammer. | – Not suitable for media containing solid particles. – May not perform well in high viscosity applications. |
| Nozzle Type Check Valve | DFT Valves – DFT® Inc | Nozzle Type Check Valve by DFT® | – Quick and dynamic responses to changes in flow pressure and velocity – Zero leakage performance compared to other check valve types | – May not be suitable for high-pressure applications – Limited to specific flow scenarios |
| Non-slam Check Valves | EXPERT make Non-Slam Check Valves are lift type non return valves used in pipelines to prevent back-flow of the fluid. Designed to fit between two fla… | – Compact: Requires little space in pipes – Light Weight – compared to flanged end valves – Extremely low opening pressures – Lapped seat to provide t… | – Not recommended for pulp lines – Not recommended for compressor delivery lines | www.expertvalves.com |
| NOZ-CHEK® High Performance Nozzle-Type Non-Slam Check Valves | Noz-Chek® High Performance Nozzle-Type Non-Slam Check Valves are designed for fast-reversing systems where backflow is a constant concern. | – Minimizes the damaging effects of water hammer in fluid systems. – Protects rotating equipment from damage due to flow reversal. | – Limited information on specific drawbacks. – Standard spring may not suit all applications. | cranecpe.com |
| NOZ-CHEK® Forged Axial Non-Slam Check Valves | Noz-Chek® Forged Axial Non-Slam Check Valves are designed for fast-reversing systems where backflow is a constant concern. | – Threaded diffuser base eliminates sealing area misalignment. – Locking snap ring prevents diffuser unscrewing over long term operation. | – Limited size range (2” – 24”, other sizes available on request). – Potentially high pressure ratings may not be suitable for all applications. | cranecpe.com |
| DFT® Silent Check Valves – DFT® Inc | DFT® Silent Check Valves are designed to reduce or eliminate water hammer and its effects, featuring spring-assisted mechanisms for smooth operation. | – Prevents water hammer and reverse flow effectively – Can be custom sized for specific applications | – May require specific installation conditions – Performance can vary based on application requirements | www.dft-valves.com |
| Non Slam Check Valve – Indusrtrial Valve Manufacturer | Non Slam Check Valve – Resilient or Metal Seat, Size Range: NPS 2 to NPS 36, Pressure Range: 150LB to 2500LB, Design STD.: ASME B16.34 | – Reduces noise during operation – Prevents pump and drive motor from reversing | – Not suitable for media containing solid particles – Not suitable for high viscosity media | ntgdvalve.com |
| Grayloc® Non-Slam Nozzle Check Valves | Oceaneering | Grayloc Non-Slam Nozzle Check Valves are designed to provide reliable performance in various applications. | – Prevents backflow effectively – Durable and long-lasting design | – Higher initial cost – Requires regular maintenance |
Frequently Asked Questions (FAQs)
What are non-slam check valves and why are they important?
Non-slam check valves are designed to prevent backflow in piping systems without the slamming noise associated with traditional check valves. They help maintain system efficiency and protect equipment from damage caused by reverse flow, making them essential in various applications, including water treatment and industrial processes.
How do I choose the right manufacturer for non-slam check valves?
When selecting a manufacturer, consider their experience, product quality, certifications, and customer reviews. It’s also helpful to check if they offer customization options and reliable customer support to ensure you get the best solution for your specific needs.
What materials are commonly used in non-slam check valves?
Non-slam check valves are typically made from materials like stainless steel, brass, and PVC. The choice of material depends on the application, including factors like temperature, pressure, and the type of fluid being handled, ensuring durability and resistance to corrosion.
Are non-slam check valves suitable for all applications?
While non-slam check valves are versatile, they may not be suitable for every application. It’s important to assess the specific requirements of your system, such as flow rates and pressure conditions, to determine if a non-slam check valve is the best choice.
How can I ensure the longevity of my non-slam check valves?
To extend the lifespan of your non-slam check valves, perform regular maintenance checks, ensure proper installation, and monitor for any signs of wear or damage. Keeping the valves clean and free from debris will also help maintain their performance and reliability.