NG 4/B self-priming jet pump with built-in ejector

SKU: 70A40042000
HAN: E70A40042000
Manufacturers: Calpeda

Construction: Self-priming flat well jet pump in block construction with built-in ejector
Design: Cast iron version with pump housing and lantern from GJL 200
Applications: For well extraction, pressure increase, clean liquids or slightly contaminated surface water, garden watering and water jet cleaning
Engine: 2-poleer three-phase induction motor
Rated voltage: 230 V / 400 V ±10 %, 50 Hz
Engine rated power P2: 0,75 kW / 1 HP
Rated current: 3,7 A at 230 V / 2,2 A at 400 V
Rated speed: 2900 min-1
Efficiency class: IE3
Degree of protection: IP54
Insulation class: F
Operation mode: Continuous operation
Flow according to characteristic curve: up to 4 m3/h
Maximum pump head according to the characteristic curve: 45,8 m
Characteristic curve Q/H: 0 m3/h → 45,8 m; 0,25 m3/h → 41 m; 0,5 m3/h → 39 m; 1 m3/h → 36 m; 1,5 m3/h → 33 m; 2 m3/h → 31 m; 2,5 m3/h → 29 m; 3 m3/h → 26 m; 3,5 m3/h → 24 m; 4 m3/h → 21 m
Media temperature: to +40 °C
Maximum ambient temperature: to 40 °C
Maximum permissible working pressure: 10 bar
Connections according to ISO 228: suction side DN1 G 1; Pressure side DN2 G 1
Dimensions: a 127 mm; a1 8 mm; b 35 mm; fM 430 mm; g1 11 mm; h1 150 mm; h2 43 mm; HD 207 mm; m1 60 mm; m3 8 mm; n1 185 mm; n2 155 mm; s 9.5 mm; w 100 mm
Article weight: 19,3 kg
Materials: pump housing, cover and diffuser plate GJL 200; Brass impeller CW617N; Diffuser and nozzle Noryl PPO-GF20; shaft AISI 430F/AISI 303; Slip ring seal carbon/ceramic/NBR
Design according to: EN 60034-1; EN 60034-30-1; EN 60335-1; EN 60335-2-41
Options on request: other voltages; 60 Hz; IP55; Special sliding ring seal
Revision: BB

484,42 €

excl. 19% VAT , plus

Available
Delivery time: ca. 3 weeks (DE - int. shipments may differ)

pcs

Description
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The Calpeda NG 4/B is a self-priming jet pump with a built-in ejector. The series combines a self-priming pump design with a robust, application-related material selection.

The model NG 4/B has 0,75 kW motor power and according to the characteristic line reaches up to 4 m3/h with a maximum head of 45,8 m.

The NG series is particularly suitable for the applications mentioned in the data sheet and is designed in its respective engine and material version for reliable continuous operation.

Item information	Value
Shipping weight:	25.09 kg
Item weight:	19.30 kg

Downloads

Article-specific data sheet with technical data, dimensional drawing and performance curve at 50 Hz. 70A40042000.

Open data sheet

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3D CAD / STEP – standard geometry

NG 4/B. Unchanged manufacturer file assigned to this type in the selector. Standard base-type geometry; motor, connection and special versions may differ. Check article-specific installation dimensions against the data sheet.