Fleck 2750

Summary

Product identification

• Model: FLECK INDUSTRIAL VALVE 2750
• Type: Water Purification Valves - Fleck
• Features: Ideal for filter applications, corrosion resistant and UV stable power head, brass valve body.

Operating specifications

• Hydrostatic pressure: 20 bar
• Working pressure: 1.8 - 8.5 bar
• Working temperature: 1 - 43 °C
• Continuous flow rate (Δp = 1 bar): 5.9 m³/h
• Peak flow rate (Δp = 1.8 bar): 7.5 m³/h
• Maximum backwash (Δp = 1.8 bar): 5.6 m³/h
• Cv (flow rate alone at 0.07 bar pressure drop): 6.8 gpm

Regeneration

• Types: Manual, Timeclock (7 or 12 days), Meter (delayed or immediate), Electronic timer.
• Regeneration cycles for Meter: Down flow or Upflow (sequence listed as 1 to 5).

Electrical rating

• Standard: 24 V - 50 Hz
• Other voltages available upon request.
• Protection index: IP 44

Mechanical / hydraulic

• Valve body material: Brass
• Inlet / outlet connections: 1 inch BSP
• Distributor tube diameter: 26.7 mm (1 inch)
• Riser tube cut: Target / Max / Min: Flush with top of tank / 0.18 inch above / 0.25 inch below
• Drain line connection: 3/4 inch NPT
• Brine line connection (1650): ⅜ inch
• Brine line connection (1710): ½ inch
• Mounting base - Top: 2½ inches - 8 NPSM
• Height (from the top of tank): 165 mm

Tank size application (recommended)

• Water softener: 10 - 24 inches (250 - 610 mm)
• Filters: 10 - 21 inches (250 - 530 mm)

Meter specifications

Mechanical Meter

• Accuracy range (± 5%): 2.6 - 151 Lpm
• Standard capacity range: 1.2 - 20 m³
• Extended capacity range: 6 - 100 m³
• Time available per cycle: 164 min

Electronic Meter

• Capacity range: N/A
• Time available per cycle: 99 min

Options

• Hot water operation for filter applications: 65°C (meter) / 82°C (timeclock).
• No water during regeneration.

Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror