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I, IRI, IR

Gear Pumps Construction

Close-coupled gear pumps (rotary pumps). Pump casing with suction and delivery connections with thesame diameter and on thesame axis (in-line execution).

Applications

For fuel oil and liquids with lubricating properties.

Operating conditions

Kinematic viscosity from 30 mm
2 /s (4°E) to 120 mm
2 /s (15°E).Liquid temperature up to 90 °C. Ambient temperature up to 40 °C. Total suction lift up to 4 m. Continuous duty.

Motor

4-pole induction motor, 50 Hz (n = 1450 rpm). I 25 / 4E, IR 25 / 4E, IRR 25 / 4E :three-phase 230/400 V ±10%. IM 25 / 4E : single-phase 230 V ±10%.Insulation class F.Protection IP54. Execution according to IEC 60034.

Materials

ComponentsMaterials Pump casingCast iron GJL200 EN 1561

Special features on request

GearsSteel 18 Ni Cr Mo 5 UNI 8550 - Other voltages.- Frequency 60 Hz (as per 60 Hz data sheet). - Protection IP55. - Higher ambient temperatures. ShaftsSteel 18 Ni Cr Mo 5 UNI 8550 Radial shaft seal ringFPM

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Performance

n

≈1450

1/min

3 ~230 V400 V1 ~230 VP
3 1 P
2 nm /h0,6

Q

AAAkWkWHP1/minl/min10 I25 / 4E 1,40,8 IM25 / 4E 2,10,40,250,341450

∆ p

2 IR25 / 4E 2,11,20,370,51450bar2,5 IRR25 / 4E 3,31,90,75114505
P 1 Max. power input. P 2 Rated motor power output.

∆ p

Differential pressure.

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