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Atmos GIGA-B 32/115.1-0,25/4 | Wilo

Atmos GIGA-B 32/115.1-0,25/4

Article number: 9139941
Technical data
Tender text

Single-stage glanded centrifugal pump in monobloc design for installation on a base.

Low-vibration and low-noise monobloc design with lantern and rigidly connected standard motor.

With force-flushed, bidirectional bellows mechanical seal (from 37 kW/4-pole, optionally available with a cartridge mechanical seal in back pull-out design for mechanical seal replacement without dismantling the motor) and cavitation-reducing impeller.

Flanges with pressure measuring connections R 1/8. The pump housing and lantern are cataphoretic-coated.

Motors in IE3 technology as standard. Pump with motor ≥ 5.5 kW are equipped as standard with a PTC thermistor sensor for motor protection.

The motor terminal box ≤ 7.5 kW can be made of metal or plastic. If a metal terminal box is absolutely necessary, please order the appropriate special variant. The motor terminal boxes > 7.5 kW are always made of metal.

Operating Data
Fluid temperature T -20 °C
Ambient temperature T -15 °C
Maximum operating pressure PN 16 bar
Note on dimensioning 16 bar to 120 °C, 13 bar to 140 °C
Minimum efficiency index (MEI) 0.4
Motor data
Motor efficiency class IE2
Mains connection 3~400 V, 50 Hz
Voltage tolerance ±10 %
Rated power P2 250 W
Rated speed n 1450 1/min
Rated current IN 0.69 A
Power factor cos φ 0.70
Motor efficiency ηM 50% 68 %
Motor efficiency ηM 75% 72.9 %
Motor efficiency ηM 100% 74 %
Insulation class F
Protection class IP55
Pump housing 5.1301/EN-GJL-250 KTL-coated
Impeller Grey cast iron
Shaft Stainless steel
Shaft seal AQ1EGG
Installation dimensions
Pipe connection on the suction side DNs DN 50
Pipe connection on the discharge side DNd DN 32
Ordering information
Brand Wilo
Product description Atmos GIGA-B 32/115.1-0,25/4
Net weight, approx. m 35 kg
Article number 9139941

Installation and operating instructions

Wilo-Atmos GIGA-I/-B

Article Number 2222682
Edition 2022-06
Page format 209.9 x 297.0 mm
Number of pages 140
PDF (6 MB)

Certificate REACH

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (212 KB)