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Wilo-Atmos BST | Wilo

Wilo-Atmos BST

The universal single-stage centrifugal pump for many applications in heating, cooling and industrial circulation systems.

Your advantages
Atmos BST Flange

The universal single-stage centrifugal pump for many applications in heating, cooling and industrial circulation systems.

The wide range of hydraulic components and motors available for the single-stage centrifugal pump Wilo-Atmos BST enable it to be deployed for a variety of applications in air conditioning and cooling technology, water supply, pressure boosting and water treatment. It can be used to pump water as well as non-aggressive and slightly aggressive liquids, for example in a car wash, for industrial cooling systems or for irrigation in agriculture. Its hydraulic components made of stainless steel provide high resistance to corrosion and long service life. The block construction combined with the pump feet enable quick installation as well as low-vibration and quiet-running operation. The modern pump hydraulics together with the IE3 motors equipped as standard save energy.


Your advantages

  • Ultra-modern pump hydraulics and the IE3 motor save energy
  • Various impeller materials, multiple motor options and a wide range of mechanical seals enable universal deployment in many different applications
  • Block construction and pump feet enable easy installation
  • Hydraulic components made of stainless steel provide high resistance to corrosion and long service life
Series description
Wilo-Atmos BST

Design

Glanded pump in monobloc design with flange or threaded connection

Application

For pumping heating water (in accordance with VDI 2035), water-glycol mixtures, cooling water and chilled water without abrasive substances in heating, chilled water and cooling water systems.

Typekey

Beispiel

Atmos BST 32/160-1,1/2-V4

Atmos

Product Family

BST (Block Stamped)

Series

32

Nominal diameter DN of pressure port in mm

160

Nominal diameter of impeller in mm

1,1

Rated Power P2 in kW

2

Number of Poles

-V1

3~230/400 V, 50Hz

-V2

3~400/690 V, 50Hz

-V4

1~230 V, 50 Hz

-H12

Pump housing 1.4401

Technical data

  • Permissible temperature range of -20 °C to +120 °C
  • Mains connection 1~230 V, 3~400 V, 50 Hz (others on request)
  • Protection class IP55
  • Nominal diameter DN 25 to DN 80
  • Max. operating pressure 10 bar

Materials

  • Pump housing: 1.4301, 1.4401
  • Impeller: 1.4301, 1.4401
  • Pump shaft: 1.4301, 1.4401
  • Mechanical seal: B3Q1EF, B3Q1EG; other mechanical seals on request

Construction

Single-stage low-pressure centrifugal pump in monobloc design, with axial suction port and radially arranged pressure port with

  • Mechanical seal
  • Flange connection with pressure measuring connection R 1/8
  • IEC standard motor

Scope of delivery

  • Pump
  • Installation and operating instructions
Documents

Installation and operating instructions

Wilo-Atmos BST

Article Number 9221306
Edition 2023-07
Page format 209.9 x 297.0 mm
Number of pages 288
PDF (7 MB)

Wilo-Atmos BST

Article Number 9221306
Edition 2023-07
Page format 209.9 x 297.0 mm
Number of pages 32
PDF (5 MB)

Certification booklet

Wilo-Atmos BST 25, Wilo-Atmos BST 32 - 80

Article Number 9223929
Edition 2023-07
Page format 209.9 x 297.0 mm
Number of pages 24
PDF (6 MB)

Certificate REACH

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (262 KB)

Product selection
Number of results: 134
Product descriptionNumber of polesMEINominal flange diameterMechanical sealRated power P2Gross weight, approx. mArticle number
Atmos BST 32/200-4/2-H12-V2
2
≥0.4
DN 32
B3Q1EG
4 kW
49.3 kg
9187139
Atmos BST 32/200-4/2-V2
2
≥0.4
DN 32
B3Q1EF
4 kW
49.3 kg
9187054
Atmos BST 32/200-5.5/2-H12-V2
2
≥0.4
DN 32
B3Q1EG
5.5 kW
62.3 kg
9187140
Atmos BST 32/200-5.5/2-V2
2
≥0.4
DN 32
B3Q1EF
5.5 kW
62.3 kg
9187055
Atmos BST 32/200-7.5/2-H12-V2
2
≥0.4
DN 32
B3Q1EG
7.5 kW
69 kg
9187141
Atmos BST 32/200-7.5/2-V2
2
≥0.4
DN 32
B3Q1EF
7.5 kW
69 kg
9187056
Atmos BST 40/125-1.5/2-H12-V1
2
≥0.4
DN 40
B3Q1EG
1.5 kW
21 kg
9187143
Atmos BST 40/125-1.5/2-H12-V4
2
≥0.4
DN 40
B3Q1EG
1.5 kW
21 kg
9187142
Atmos BST 40/125-1.5/2-V1
2
≥0.4
DN 40
B3Q1EF
1.5 kW
21 kg
9187058
Atmos BST 40/125-1.5/2-V4
2
≥0.4
DN 40
B3Q1EF
1.5 kW
21 kg
9187057
Atmos BST 40/125-2.2/2-H12-V1
2
≥0.4
DN 40
B3Q1EG
2.2 kW
33 kg
9187145
Atmos BST 40/125-2.2/2-H12-V4
2
≥0.4
DN 40
B3Q1EG
2.2 kW
29 kg
9187144
Atmos BST 40/125-2.2/2-V1
2
≥0.4
DN 40
B3Q1EF
2.2 kW
33 kg
9187060
Atmos BST 40/125-2.2/2-V4
2
≥0.4
DN 40
B3Q1EF
2.2 kW
29 kg
9187059
Atmos BST 40/125-3/2-H12-V1
2
≥0.4
DN 40
B3Q1EG
3 kW
38 kg
9187146
Atmos BST 40/125-3/2-V1
2
≥0.4
DN 40
B3Q1EF
3 kW
38 kg
9187061
Atmos BST 40/160-2.2/2-H12-V1
2
≥0.4
DN 40
B3Q1EG
2.2 kW
35 kg
9187148
Atmos BST 40/160-2.2/2-H12-V4
2
≥0.4
DN 40
B3Q1EG
2.2 kW
31 kg
9187147
Atmos BST 40/160-2.2/2-V1
2
≥0.4
DN 40
B3Q1EF
2.2 kW
35 kg
9187063
Atmos BST 40/160-2.2/2-V4
2
≥0.4
DN 40
B3Q1EF
2.2 kW
31 kg
9187062
Atmos BST 40/160-3/2-H12-V1
2
≥0.4
DN 40
B3Q1EG
3 kW
39 kg
9187149
Atmos BST 40/160-3/2-V1
2
≥0.4
DN 40
B3Q1EF
3 kW
39 kg
9187064
Atmos BST 40/160-4/2-H12-V2
2
≥0.4
DN 40
B3Q1EG
4 kW
47.5 kg
9187150
Atmos BST 40/160-4/2-V2
2
≥0.4
DN 40
B3Q1EF
4 kW
47.5 kg
9187065
Atmos BST 40/200-5.5/2-H12-V2
2
≥0.4
DN 40
B3Q1EG
5.5 kW
61.2 kg
9187151
Atmos BST 40/200-5.5/2-V2
2
≥0.4
DN 40
B3Q1EF
5.5 kW
61.2 kg
9187066
Atmos BST 40/200-7.5/2-H12-V2
2
≥0.4
DN 40
B3Q1EG
7.5 kW
73.7 kg
9187152
Atmos BST 40/200-7.5/2-V2
2
≥0.4
DN 40
B3Q1EF
7.5 kW
73.7 kg
9187067
Atmos BST 40/200-11/2-H12-V2
2
≥0.4
DN 40
B3Q1EG
11 kW
91.5 kg
9187153
Atmos BST 40/200-11/2-V2
2
≥0.4
DN 40
B3Q1EF
11 kW
91.5 kg
9187068
Atmos BST 50/125-2.2/2-H12-V1
2
≥0.4
DN 50
B3Q1EG
2.2 kW
35 kg
9187155
Atmos BST 50/125-2.2/2-H12-V4
2
≥0.4
DN 50
B3Q1EG
2.2 kW
31 kg
9187154
Atmos BST 50/125-2.2/2-V1
2
≥0.4
DN 50
B3Q1EF
2.2 kW
35 kg
9187070
Atmos BST 50/125-2.2/2-V4
2
≥0.4
DN 50
B3Q1EF
2.2 kW
31 kg
9187069
Atmos BST 50/125-3/2-H12-V1
2
≥0.4
DN 50
B3Q1EG
3 kW
37.3 kg
9187156
Atmos BST 50/125-3/2-V1
2
≥0.4
DN 50
B3Q1EF
3 kW
37.3 kg
9187071
Atmos BST 50/125-4/2-H12-V2
2
≥0.4
DN 50
B3Q1EG
4 kW
49.2 kg
9187157
Atmos BST 50/125-4/2-V2
2
≥0.4
DN 50
B3Q1EF
4 kW
49.2 kg
9187072
Atmos BST 50/160-3/2-H12-V1
2
≥0.4
DN 50
B3Q1EG
3 kW
37.8 kg
9187158
Atmos BST 50/160-3/2-V1
2
≥0.4
DN 50
B3Q1EF
3 kW
37.8 kg
9187073
Atmos BST 50/160-4/2-H12-V2
2
≥0.4
DN 50
B3Q1EG
4 kW
49.3 kg
9187159
Atmos BST 50/160-4/2-V2
2
≥0.4
DN 50
B3Q1EF
4 kW
49.3 kg
9187074
Atmos BST 50/160-5.5/2-H12-V2
2
≥0.4
DN 50
B3Q1EG
5.5 kW
60.5 kg
9187160
Atmos BST 50/160-5.5/2-V2
2
≥0.4
DN 50
B3Q1EF
5.5 kW
60.5 kg
9187075
Atmos BST 50/200-7.5/2-H12-V2
2
≥0.4
DN 50
B3Q1EG
7.5 kW
73.1 kg
9187161
Atmos BST 50/200-7.5/2-V2
2
≥0.4
DN 50
B3Q1EF
7.5 kW
73.1 kg
9187076
Atmos BST 50/200-9.2/2-H12-V2
2
≥0.4
DN 50
B3Q1EG
9.2 kW
81.9 kg
9187162
Atmos BST 50/200-9.2/2-V2
2
≥0.4
DN 50
B3Q1EF
9.2 kW
81.9 kg
9187077
Atmos BST 50/200-11/2-H12-V2
2
≥0.4
DN 50
B3Q1EG
11 kW
92.6 kg
9187163
Atmos BST 50/200-11/2-V2
2
≥0.4
DN 50
B3Q1EF
11 kW
92.6 kg
9187078