Atmos GIGA-NF 50/250-240-22/2-L1-N37
| Hydraulic data | |
|---|---|
| Maximum operating pressure PN | 12 bar |
| Min. fluid temperature Tmin | 4 °C |
| Max. fluid temperature Tmax | 25 °C |
| Min. ambient temperature Tmin | 4 °C |
| Max. ambient temperature Tmax | 40 °C |
| Motor data | |
|---|---|
| Mains connection | 3~400 V, 50 Hz |
| Motor efficiency class | IE3 |
| Rated power P2 | 22 kW |
| Rated current IN | 38.9 A |
| Rated speed n | 2950 1/min |
| Power factor cos φ100 | 0.88 |
| Motor efficiency 50% ηM 50% | 89.9 % |
| Motor efficiency 75% ηM 75% | 92.8 % |
| Motor efficiency 100% ηM 100% | 92.7 % |
| Insulation class | F |
| Materials | |
|---|---|
| Pump housing | Grey cast iron |
| Impeller | Bronze |
| Shaft | Stainless steel |
| Shaft seal | BVEGG |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | DN 65 |
| Pipe connection on the discharge side DNd | DN 50 |
Wilo-Atmos GIGA-NF (VdS)
| Prices | |
|---|---|
| Price (excl. VAT) | on request |
| Product data | |
|---|---|
| Brand | Wilo |
| Product description | Atmos GIGA-NF 50/250-240-22/2-L1-N37 |
| Article number | 4247844 |
| EAN number | 4062679170367 |
| Date of sales availability | 2022-09-30 |
| Dimension, weight | |
|---|---|
| Length with packaging | 1545 mm |
| Length L | 1445 mm |
| Height with packaging | 1300 mm |
| Height H | 1200 mm |
| Width with packaging | 940 mm |
| Width W | 840 mm |
| Gross weight, approx. m | 471 kg |
| Net weight, approx. m | 410 kg |
Single-stage, horizontal centrifugal pump for firefighting water supply according to EN 733 and VdS 2100-07 for installation on a base frame.
Features:
- With axial suction connection and radial discharge port.
- Pump with pump support foot and flanged bearing bracket, with spacer coupling or cardan joint and coupling guard.
- Housing made of grey cast iron, shaft made of stainless steel, impeller made of bronze and neck ring made of stainless steel. All cast iron components in contact with the fluid are cataphoretic coated as standard.
- Base frame made of special steel profiles with lifting eyes for simple transport.
- Shaft sealing with bidirectional bellows mechanical seal.
- With bypass valve as standard, mounted directly on the pump housing, to prevent overheating when the flow rate is too low.
Drive:
- IEC electric motor, pre-assembled on the base frame of the pump.
NOTICE
The spacer coupling is an elasticated coupling with a spacer. The spacer reduces maintenance costs and no further motor alignment is necessary when replacing the mechanical seal.
| Materials | |
|---|---|
| Pump housing | Grey cast iron |
| Impeller | Bronze |
| Shaft | Stainless steel |
| Shaft seal | BVEGG |
| Operating Data | |
|---|---|
| Min. fluid temperature Tmin | 4 °C |
| Max. fluid temperature Tmax | 25 °C |
| Maximum operating pressure p | 16.0 bar |
| Max. ambient temperature Tmax | 40 °C |
| Motor data | |
|---|---|
| Mains connection | 3~400 V, 50 Hz |
| Motor efficiency class | IE3 |
| Rated power P2 | 22000 W |
| Rated speed n | 2950 1/min |
| Rated current IN | 38.9 A |
| Power factor cos φ100 | 0.88 |
| Motor efficiency 50% ηM 50% | 89.9 % |
| Motor efficiency 75% ηM 75% | 92.8 % |
| Motor efficiency 100% ηM 100% | 92.7 % |
| Insulation class | F |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | DN 65 |
| Pipe connection on the discharge side DNd | DN 50 |
| Ordering information | |
|---|---|
| Brand | Wilo |
| Net weight, approx. m | 410 kg |
| Product description | Atmos GIGA-NF 50/250-240-22/2-L1-N37 |
| Article number | 4247844 |
Installation and operating instructions
Wilo-Atmos GIGA-NF
| Article Number | 4243597 |
| Edition | 2022-02 |
| Number of pages | 40 |
| Language | en |
PDF (4 MB)Certification booklet
Wilo-Atmos GIGA-NF, Wilo-Atmos GIGA-NF bare shaft
| Article Number | 6093999 |
| Edition | 2022-02 |
| Number of pages | 20 |
| Language | language neutral |
PDF (5 MB)Group Statement
Group Statement REACH
| Edition | 2021-05 |
| Number of pages | 5 |
| Language | language neutral |
PDF (279 KB)Pump curve (VdS) PDF
Wilo-Atmos GIGA-NF (VdS) 50/250-220-258
| Number of pages | 1 |
| Language | en |
PDF (335 KB)Break tank (1) | |||||
Kit for 500 litre supply tank | |||||
Kit for 500 litre supply tank | Supply tank, 500L | 4177480 | CHF 1,203.- | ||
The supply tank is required for each main pump, provided the pump is installed in suction mode. It ensures the pump and suction line is constantly filled with water even in the event of leakages. The supply tank is equipped with accessories as described in the scope of delivery. Installation The supply tank is connected to the discharge pipe of each main pump at a higher level than the pump. The water must be able to run freely to the tank on the pressure side of the pump via a connection line. Scope of delivery Supply tank kit consisting of:
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With Wilo as your partner, you can not only be sure of choosing high-quality product solutions, but also of benefiting from a comprehensive, worry-free package of well thought-out services. We collaborate to develop a service concept tailored to your individual needs; with our expertise and personal consultancy, we make sure that the operation of your systems is as energy-efficient, reliable and economical as possible. All the while our competent Wilo service technicians are ready to assist you with fast, reliable and on-time support.
More suitable services | |||
 Service packages | Service Package L Norm-/SCP pumps | 2219698 | |
The Wilo service offers predefined service packages in three sizes to make it easier to combine individual services. The Wilo-Service package L includes:
Optional add-on services:
| |||
Service Package M Norm-/SCP pumps | 2219669 | ||
The Wilo service offers predefined service packages in three sizes to make it easier to combine individual services. The Wilo-Service package M includes:
Optional add-on services:
| |||
 Supervision | Supervision Norm-/SCP pumps | 2219322 | |
Wilo supports during the concept phase to ensure quality work and cost efficiency. Our competent and qualified Wilo Service will support you with recommendations and technical advice throughout the entire project. Supervision includes:
| |||
 Installation | Installation Norm-/SCP pumps | 2219357 | |
The Wilo service offers installation of our pumps or pumping systems. We offer an end-to-end process from gathering information on site to installing our product in the overall plant. An optimal installation set-up and the interaction of various individual factors lay the foundation for long-term operational safety. Installation includes:
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 Commissioning | Commissioning Norm-/SCP pumps | 2160452 | |
For perfect functioning of the pump(s) / system(s), it is recommended to have the commissioning carried out by the works' own WILO SE Customer Service Department. Optimum setting and efficient operation of the system are ensured as a result. Commissioning is comprised of the following points:
The price for commissioning only applies to system(s) which have been installed in accordance with the installation and operating instructions and state-of-the-art technology. No costs for any materials which may be required are included. -NET- | |||
 Maintenance | Maintenance BASIC Norm-/SCP pumps | 2160467 | |
In order to ensure and guarantee operational reliability of the pumps/systems, it is recommended to have regular and DIN-compliant inspections and maintenance carried out by the works' own WILO SE Customer Service Department. The tasks are carried out in accordance with DIN 31051 / DIN EN 13306. The tasks comprise the following points:
Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. The price of the maintenance is valid inside Germany. -NET- | |||
Maintenance COMFORT Glanded pumps | 2219493 | ||
In order to ensure and guarantee operational reliability of the pumps/systems, it is recommended to have regular and DIN-compliant inspections and maintenance carried out by the works' own WILO SE Customer Service Department. The tasks are carried out in accordance with DIN 31051 / DIN EN 13306. The tasks comprise the following points:
Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. | |||
Maintenance COMFORT Norm-/SCP pumps | 2160482 | ||
In order to ensure and guarantee operational reliability of the pumps/systems, it is recommended to have regular and DIN-compliant inspections and maintenance carried out by the works' own WILO SE Customer Service Department. The tasks are carried out in accordance with DIN 31051 / DIN EN 13306. The tasks comprise the following points:
Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. The price of the maintenance is valid inside Germany. -NET- | |||
 System Optimisation | System Optimisation Norm-/SCP pumps | 2219252 | |
The Wilo Service offers proactive system optimisation by optimising settings and doing minor adjustments to ensure operational reliability. System Optimisation includes among others:
| |||
 Repair | Repair Norm-/SCP pumps | 2219611 | |
Wilo Service draws on their competence and experience while consulting on site to decide whether the pump can actually be repaired on site or has to be sent in for a factory repair. Wilo also provides spare parts or a replacement pump to restore the operational reliability of the system. Repair includes:
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