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Atmos GIGA-B 125/315-45/4-P6 | Wilo

Atmos GIGA-B 125/315-45/4-P6

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 IE3
Mains connection 3~400 V, 50 Hz
Voltage tolerance ±10 %
Rated power P2 45000 W
Rated speed n 1450 1/min
Rated current IN 83.1 A
Power factor cos φ 0.83
Motor efficiency ηM 50% 91.6 %
Motor efficiency ηM 75% 93.1 %
Motor efficiency ηM 100% 93.7 %
Insulation class F
Protection class IP55
Materials
Pump housing 5.1301/EN-GJL-250 KTL-coated
Impeller Cast iron
Shaft Stainless steel
Shaft seal AQ1EGG
Lantern 5.1301/EN-GJL-250 KTL-coated
Installation dimensions
Pipe connection on the suction side DNs DN 150
Pipe connection on the discharge side DNd DN 125
Ordering information
Brand Wilo
Product description Atmos GIGA-B 125/315-45/4-P6
Net weight, approx. m 541 kg
Article number 2160677
Downloads

Installation and operating instructions

Wilo-Atmos GIGA-B

Article Number 2215202
Edition 2021-08
Page format 209.9 x 297.0 mm
Number of pages 136
PDF (5 MB)

Wilo-Atmos GIGA-B

Article Number 2205299
Edition 2021-08
Page format 209.9 x 297.0 mm
Number of pages 68
PDF (3 MB)

Certificate REACH (Documents)

REACH regulation

Edition 2021-10
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (162 KB)