Fleck 2910/1650 NXT2 | Chrono NXT Down Flow NBP V291NC-600
Technical Resources
Technical Resources
Fleck 2910/1650 NXT2 Chrono NXT Down Flow NBP V291NC-600
Fleck 2910/1650 NXT2 Chrono NXT Down Flow NBP Control Valve for Industrial Water Softeners
The Fleck 2910/1650 NXT2 Chrono NXT Down Flow NBP V291NC-600 is a robust industrial control valve designed for high-capacity water softening systems requiring dependable, time-based regeneration. Featuring the advanced NXT2 Chrono electronic controller, this valve delivers precise regeneration scheduling, simple programming and reliable operation for commercial and industrial water treatment applications.
Built around the proven Fleck 2910 brass valve body, the valve offers exceptional durability, high flow performance and long service life. The No By-Pass (NBP) configuration ensures untreated water cannot pass through the system during regeneration, making it ideal for applications where continuous water quality is critical.
Designed for tanks from 14" to 36" diameter, the Fleck 2910 is widely used in hotels, manufacturing, food processing, healthcare, commercial laundries, boiler feed systems and other demanding industrial environments.
Key Features
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Heavy-duty Fleck 2910 brass industrial valve
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1650 NXT2 Chrono electronic controller
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Time-clock (Chrono) regeneration
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Downflow regeneration
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NBP (No By-Pass) configuration prevents untreated water entering the service line during regeneration
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Advanced twin-piston design independently controls service and regeneration flows
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Corrosion-resistant, UV-stable power head
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High flow capacity for commercial and industrial systems
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Simple programming with electronic display
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Suitable for large water softening installations
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Compatible with tanks from 14" to 36" diameter
Technical Specifications
| Specification | Value |
|---|---|
| Model | V291NC-600 |
| Valve Body | Brass |
| Controller | Fleck 1650 NXT2 Chrono |
| Regeneration Type | Downflow |
| Regeneration Control | Electronic Time Clock |
| Configuration | NBP (No By-Pass) |
| Inlet / Outlet | 2" BSP |
| Distributor Tube | 50 mm (DN40) |
| Drain Connection | 1" NPT |
| Brine Connection | 3/8" |
| Working Pressure | 1.8 – 8.5 bar |
| Maximum Hydrostatic Pressure | 20 bar |
| Operating Temperature | 1–43°C |
| Electrical Supply | 24V AC, 50/60 Hz |
| Protection Rating | IP22 |
High Flow Performance
The Fleck 2910 valve is engineered for demanding commercial water treatment systems, offering excellent hydraulic performance with minimal pressure loss.
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Continuous Flow Rate: 24 m³/hr
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Peak Flow Rate: 31 m³/hr
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Maximum Backwash Flow: 8 m³/hr
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Cv Rating: 27
Its high capacity makes it suitable for larger softeners where consistent flow and dependable regeneration are essential.
Advantages of the NXT2 Chrono Controller
The NXT2 Chrono controller provides dependable time-based regeneration for predictable water usage applications. Easy-to-program electronic controls allow operators to customise regeneration cycles while maintaining reliable system performance.
Benefits include:
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User-friendly digital programming
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Adjustable regeneration cycle times
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Reliable electronic operation
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Reduced maintenance requirements
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Ideal for scheduled regeneration applications
Typical Applications
The Fleck 2910/1650 NXT2 is suitable for:
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Commercial water softeners
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Industrial process water
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Hotels and hospitality
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Food & beverage production
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Healthcare facilities
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Steam boiler feed systems
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Commercial laundries
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Manufacturing plants
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Car wash water treatment
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Large building services
Why Choose the Fleck 2910 NXT2?
With decades of proven reliability, the Fleck 2910 remains one of the industry's most trusted industrial control valves. Combined with the modern NXT2 electronic controller, it delivers dependable regeneration, excellent flow capacity and long-term durability for demanding commercial water softening applications.
Its heavy-duty brass construction, advanced piston design and no-bypass operation make the Fleck 2910/1650 NXT2 Chrono NBP V291NC-600 an excellent choice where uninterrupted, high-quality softened water is essential.
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