Delta

Summary

Product identification

Delta Surface Horizontal Self-priming Centrifugal Pumps with Venturi system.

Applications

• To work with clean water.
• Irrigation and hydropneumatic sets.

Operating limits

• Maximum suction lift: 9 m.
• Maximum temperature of liquid: 40 °C.

Materials

• Pump body: Stainless steel AISI 304.
• Motor shaft: Stainless steel AISI 420.
• Diffusers: Glass loaded Noryl®.
• Mechanical seal: Graphite and steatite.
• Motor housing: Aluminium L-2521.
• Windings: Impregnated with epoxy resin.
• Impeller:
  • Delta 505/755/1005: Glass loaded Noryl®.
  • Delta 1755: Stainless steel AISI 304.

Motor

• Asynchronous, two poles.
• IP 44 protection.
• Class F insulation.
• Continuous operation.
• Single-phase version with built-in thermal protection.
• Provided with removable handle for transport.

Electrical

(For 1230 V (model M) and 3400 V (model T) versions)

• Delta 505
  • Current (1~230 V): 2.8 A
  • Current (3~400 V): 2.2 A
  • P1 (1~230 V): 1.2 kW
  • P1 (3~400 V): 0.6 kW
  • P2: 0.37 kW (0.5 HP)
  • Capacitor (1~230 V): 12 µF
• Delta 755
  • Current (1~230 V): 3.4 A
  • Current (3~400 V): 2.6 A
  • P1 (1~230 V): 1.3 kW
  • P1 (3~400 V): 0.8 kW
  • P2: 0.55 kW (0.75 HP)
  • Capacitor (1~230 V): 12 µF
• Delta 1005
  • Current (1~230 V): 4.8 A
  • Current (3~400 V): 3.3 A
  • P1 (1~230 V): 1.9 kW
  • P1 (3~400 V): 1.0 kW
  • P2: 0.75 kW (1.0 HP)
  • Capacitor (1~230 V): 16 µF
• Delta 1755
  • Current (1~230 V): 5.5 A
  • Current (3~400 V): 3.8 A
  • P1 (1~230 V): 2.1 kW
  • P1 (3~400 V): 1.2 kW
  • P2: 0.75 kW (1.0 HP)
  • Capacitor (1~230 V): 16 µF

Mechanical / Hydraulic

• Delta 505
  • Dimensions (A, B, C, D, E, F, G, H, I, J, K): 336, 184, 280, 200, 1”, 78, 22, 215, 94, 126, 147 (units not specified, typically mm for dimensions, inches for pipe size)
  • Weight: 6.8 Kg
• Delta 755
  • Dimensions (A, B, C, D, E, F, G, H, I, J, K): 336, 184, 280, 200, 1”, 78, 22, 215, 94, 126, 147
  • Weight: 7.3 Kg
• Delta 1005
  • Dimensions (A, B, C, D, E, F, G, H, I, J, K): 359, 184, 280, 200, 1”, 78, 22, 215, 94, 126, 147
  • Weight: 9.6 Kg
• Delta 1755M
  • Dimensions (A, B, C, D, E, F, G, H, I, J, K): 410, 184, 280, 200, 1”, 125, 22, 215, 94, 126, 147
  • Weight: 12.1 Kg

Hydraulic Performance

The document includes a hydraulic performance table showing head (mwc) at various flow rates (l/min or m³/h) for each model at 2900 rpm.

• Delta 505:
  • 33 mwc at 5 l/min (0.3 m³/h)
  • 26 mwc at 15 l/min (0.9 m³/h)
  • 22 mwc at 25 l/min (1.5 m³/h)
  • 18 mwc at 35 l/min (2.1 m³/h)
  • 17 mwc at 40 l/min (2.4 m³/h)
  • 13 mwc at 50 l/min (3.0 m³/h)
• Delta 755:
  • 37 mwc at 5 l/min (0.3 m³/h)
  • 32 mwc at 15 l/min (0.9 m³/h)
  • 27 mwc at 25 l/min (1.5 m³/h)
  • 23 mwc at 35 l/min (2.1 m³/h)
  • 21 mwc at 40 l/min (2.4 m³/h)
  • 17 mwc at 50 l/min (3.0 m³/h)
• Delta 1005:
  • 47 mwc at 5 l/min (0.3 m³/h)
  • 40 mwc at 15 l/min (0.9 m³/h)
  • 34 mwc at 25 l/min (1.5 m³/h)
  • 29 mwc at 35 l/min (2.1 m³/h)
  • 27 mwc at 40 l/min (2.4 m³/h)
• Delta 1755:
  • 57 mwc at 5 l/min (0.3 m³/h)
  • 55 mwc at 15 l/min (0.9 m³/h)
  • 51 mwc at 25 l/min (1.5 m³/h)
  • 47 mwc at 35 l/min (2.1 m³/h)
  • 44 mwc at 40 l/min (2.4 m³/h)
  • 38 mwc at 50 l/min (3.0 m³/h)
  • 32 mwc at 60 l/min (3.6 m³/h)
  • 21 mwc at 75 l/min (4.5 m³/h)

Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the official OEM PDF datasheet. Contractual data for any project must always match the specific OEM PDF revision used for that project.

Official datasheet (PDF)

Lenntech datasheet mirror