Search
Contact
E-mail
Catalogue creation
My favorites
Product comparison
Wilo-Atmos GIGA-NHT | Wilo

Wilo-Atmos GIGA-NHT

The dedicated pump for district heating and industrial heat supply applications.

Your advantages
Wilo-Atmos GIGA-NHT

The dedicated pump for district heating and industrial heat supply applications.

Standardised dimensions, different motor variants, impellers and sliding directional seals make the Wilo-Atmos GIGA-NHT a universally applicable standardised pump for transporting hot fluids. Its heat- and pressure-resistant design offers high reliability for transporting water with temperatures ranging from -20 to above 200 °C, as well as oil with temperatures from 0 to 350 °C. The pump, which has been specially developed for continuous operation, is characterised by low life cycle costs, as its self-cooling technology means that there is no need for an additional cooling system and its roller bearings are maintenance-free. With an MEI > 0.4 and the use of IE3/IE4 motors, it has a high overall efficiency. Energy consumption can be further reduced by means of speed control using an optionally available Wilo-EFC. In case of maintenance, the spacer coupling ensures that the mechanical seal can be replaced as quickly as possible. In this case, Wilo offers additional, supplementary services ranging from commissioning to maintenance, and the comprehensive WiloCare full-service package is designed to ensure optimum operational reliability.


Your advantages

  • Universally usable thanks to standardised dimensions, a range of motor options and impellers as well as mechanical seals adapted to the type of fluid 
  • High reliability through heat-resistant ductile cast-iron casing, large-volume sealing chamber and pressure resistant flange (PN 25)
  • High overall efficiency through improved hydraulics with MEI > 0.4; the use of IE3/IE4 motors enables high energy savings
  • Self-cooling mechanical seal instead of additional cooling systems allows for an easy installation
  • User-friendly spacer coupling in back pull-out design for easy maintenance
  • Self-cooling technology instead of a cooling system with additional water consumption provides high sustainability
  • Optional: Wilo-EFC for easy operation and further energy savings

Environmentally friendly properties

  • High overall efficiency and high energy savings by using an IE3/IE4 motor
  • Energy and material savings as a result of self-cooling technology instead of a cooling system with additional water consumption
  • Recyclability and durability of material composition, e.g. cast iron
Series description
Atmos GIGA NHT 2 Pole

Design

Single-stage, low-pressure centrifugal pump with axial suction, mounted on a baseplate. Standard version with spacer coupling.

Application

  • Hot-water heating systems
  • Cooling and chilled water circulation systems
  • District heating loops up to 200 °C
  • Industrial water cycles up to 200 °C
  • Industrial heat transfer oil circuit systems up to 350 °C

Equipment/function

Single-stage low-pressure centrifugal pump in a norm pump design with coupling, coupling guard, motor and baseplate. The pump is sealed with a mechanical seal.

Typekey

Example:

Atmos GIGA-NHT 40/200-11/2

Atmos

Product family

GIGA

Series designation

NHT

Design

NHT = norm pump for high-temperature applications

40

DN for the discharge flange

200

Impeller nominal diameter [mm]

11

Rated power P2 [kW]

2

Number of poles

Technical data

  • Permissible temperature range:
    • -20 °C … +350 °C (heat carrier oil)
    • 0 … +200 °C (water)
  • Mains connection 3~400 V, 50 Hz
  • Protection class IP55
  • Nominal diameter DN 32 to DN 150
  • Max. operating pressure 25 bar

Materials

  • Pump housing and lantern. Standard: EN-GJS-400-15
  • Impeller: EN-GJL-250
  • Shaft: 1.4021
  • Mechanical seal:
    • AQ7EGG (water)
    • AQ1VGG (heat carrier oil)

Construction

  • Single-stage low-pressure centrifugal pump as baseplate pump with axial suction ports with flanged bearing brackets and axle fastening for flexibly coupled drives
  • Spacer coupling (sleeve coupling) is standard; this provides the option of leaving the motor in position when dismantling the rotor unit

Scope of delivery

  • Pump
  • Installation and operating instructions
  • Bare shaft pump or
  • Pump on baseplate with coupling and coupling guard, without motor or
  • Completely mounted pump on baseplate with electric motor
Documents

Installation and operating instructions

Wilo-Atmos GIGA-NHT

Article Number 8249758
Edition 2023-10
Number of pages 44
Language en
PDF (5 MB)

Group Statement

Group Statement REACH

Edition 2021-05
Number of pages 5
Language language neutral
PDF (279 KB)

Flyer

Product Flyer_Wilo-Atmos GIGA-NHT_EN

Number of pages 2
Language en
PDF (366 KB)
Product selection
Number of results: 156
Number of poles
Pipe connection on the suction side DNs
Pipe connection on the discharge side DNd
Product descriptionNumber of polesIEPipe connection on the suction side DNsPipe connection on the discharge side DNdRated power P2Gross weight, approx. mArticle number
Atmos GIGA-NHT 50/200-11/2-S2
2
IE3
DN 65
DN 50
11 kW
248 kg
6095358
Atmos GIGA-NHT 50/200-11/2-S7
2
IE3
DN 65
DN 50
11 kW
248 kg
6095357
Atmos GIGA-NHT 50/200-15/2-S2
2
IE3
DN 65
DN 50
15 kW
252 kg
6095360
Atmos GIGA-NHT 50/200-15/2-S7
2
IE3
DN 65
DN 50
15 kW
252 kg
6095359
Atmos GIGA-NHT 50/250-3/4-S2
4
IE3
DN 65
DN 50
3 kW
180 kg
6095398
Atmos GIGA-NHT 50/250-3/4-S7
4
IE3
DN 65
DN 50
3 kW
180 kg
6095397
Atmos GIGA-NHT 65/125-3/2-S2
2
IE3
DN 80
DN 65
3 kW
132 kg
6098367
Atmos GIGA-NHT 65/125-3/2-S7
2
IE3
DN 80
DN 65
3 kW
132 kg
6098366
Atmos GIGA-NHT 65/125-4/2-S2
2
IE3
DN 80
DN 65
4 kW
134 kg
6098315
Atmos GIGA-NHT 65/125-4/2-S7
2
IE3
DN 80
DN 65
4 kW
134 kg
6098314
Atmos GIGA-NHT 65/125-5.5/2-S2
2
IE3
DN 80
DN 65
5.5 kW
180 kg
6098313
Atmos GIGA-NHT 65/125-5.5/2-S7
2
IE3
DN 80
DN 65
5.5 kW
180 kg
6098312
Atmos GIGA-NHT 65/160-7.5/2-S2
2
IE3
DN 80
DN 65
7.5 kW
190 kg
6098311
Atmos GIGA-NHT 65/160-7.5/2-S7
2
IE3
DN 80
DN 65
7.5 kW
190 kg
6098310
Atmos GIGA-NHT 65/160-9/2-S2
2
IE3
DN 80
DN 65
9.2 kW
192 kg
6098363
Atmos GIGA-NHT 65/160-9/2-S7
2
IE3
DN 80
DN 65
9.2 kW
192 kg
6098362
Atmos GIGA-NHT 65/160-11/2-S2
2
IE3
DN 80
DN 65
11 kW
245 kg
6098307
Atmos GIGA-NHT 65/160-11/2-S7
2
IE3
DN 80
DN 65
11 kW
245 kg
6098306
Atmos GIGA-NHT 65/160-15/2-S2
2
IE3
DN 80
DN 65
15 kW
249 kg
6098309
Atmos GIGA-NHT 65/160-15/2-S7
2
IE3
DN 80
DN 65
15 kW
249 kg
6098308
Atmos GIGA-NHT 65/200-2.2/4-S2
4
IE3
DN 80
DN 65
2.2 kW
179 kg
6095346
Atmos GIGA-NHT 65/200-2.2/4-S7
4
IE3
DN 80
DN 65
2.2 kW
179 kg
6095345
Atmos GIGA-NHT 65/200-3/4-S2
4
IE3
DN 80
DN 65
3 kW
185 kg
6095364
Atmos GIGA-NHT 65/200-3/4-S7
4
IE3
DN 80
DN 65
3 kW
185 kg
6095363
Atmos GIGA-NHT 65/200-4/4-S2
4
IE3
DN 80
DN 65
4 kW
188 kg
6095366
Atmos GIGA-NHT 65/200-4/4-S7
4
IE3
DN 80
DN 65
4 kW
188 kg
6095365
Atmos GIGA-NHT 65/200-15/2-S2
2
IE3
DN 80
DN 65
15 kW
281 kg
6095338
Atmos GIGA-NHT 65/200-15/2-S7
2
IE3
DN 80
DN 65
15 kW
281 kg
6095337
Atmos GIGA-NHT 65/200-18.5/2-S2
2
IE3
DN 80
DN 65
18.5 kW
298 kg
6095340
Atmos GIGA-NHT 65/200-18.5/2-S7
2
IE3
DN 80
DN 65
18.5 kW
298 kg
6095339
Atmos GIGA-NHT 65/200-22/2-S2
2
IE3
DN 80
DN 65
22 kW
337 kg
6095342
Atmos GIGA-NHT 65/200-22/2-S7
2
IE3
DN 80
DN 65
22 kW
337 kg
6095341
Atmos GIGA-NHT 65/200-30/2-S2
2
IE3
DN 80
DN 65
30 kW
466 kg
6095344
Atmos GIGA-NHT 65/200-30/2-S7
2
IE3
DN 80
DN 65
30 kW
466 kg
6095343
Atmos GIGA-NHT 65/250-5.5/4-S2
4
IE3
DN 80
DN 65
5.5 kW
241 kg
6095378
Atmos GIGA-NHT 65/250-5.5/4-S7
4
IE3
DN 80
DN 65
5.5 kW
241 kg
6095377
Atmos GIGA-NHT 80/160-11/2-S2
2
IE3
DN 100
DN 80
11 kW
275 kg
6095324
Atmos GIGA-NHT 80/160-11/2-S7
2
IE3
DN 100
DN 80
11 kW
275 kg
6095323
Atmos GIGA-NHT 80/160-15/2-S2
2
IE3
DN 100
DN 80
15 kW
279 kg
6095326
Atmos GIGA-NHT 80/160-15/2-S7
2
IE3
DN 100
DN 80
15 kW
279 kg
6095325
Atmos GIGA-NHT 80/160-18.5/2-S2
2
IE3
DN 100
DN 80
18.5 kW
296 kg
6095328
Atmos GIGA-NHT 80/160-18.5/2-S7
2
IE3
DN 100
DN 80
18.5 kW
296 kg
6095327
Atmos GIGA-NHT 80/200-3/4-S2
4
IE3
DN 100
DN 80
3 kW
202 kg
6095336
Atmos GIGA-NHT 80/200-3/4-S7
4
IE3
DN 100
DN 80
3 kW
202 kg
6095335
Atmos GIGA-NHT 80/200-15/2-S2
2
IE3
DN 100
DN 80
15 kW
315 kg
6098337
Atmos GIGA-NHT 80/200-15/2-S7
2
IE3
DN 100
DN 80
15 kW
315 kg
6098336
Atmos GIGA-NHT 80/200-18.5/2-S2
2
IE3
DN 100
DN 80
18.5 kW
315 kg
6095330
Atmos GIGA-NHT 80/200-18.5/2-S7
2
IE3
DN 100
DN 80
18.5 kW
315 kg
6095331
Atmos GIGA-NHT 80/200-22/2-S2
2
IE3
DN 100
DN 80
22 kW
354 kg
6095334
Atmos GIGA-NHT 80/200-22/2-S7
2
IE3
DN 100
DN 80
22 kW
354 kg
6095333