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Wilo-Atmos BST | Wilo

Wilo-Atmos BST

Universal single-stage centrifugal pump for a variety of applications, such as heating, cooling and industrial circulation units.

Your advantages
Wilo-Atmos BST G1

Universal single-stage centrifugal pump for a variety of applications, such as heating, cooling and industrial circulation units.

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 transport clear, non-abrasive liquids in washing systems, industrial cooling systems or irrigation for agricultural applications, for example. 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 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

Design

Glanded pump in block design with flange or thread 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 25/160-1,1/2/6-V5

Atmos

Product Family

BST (Block Stamped)

Series

25

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

6

60 HZ version

-V5

3~220/380 V, 60Hz

-V9

1~208 -230 V, 60 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, 60 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)

Product selection
Number of results: 36
Product descriptionNumber of polesMEINominal flange diameterMechanical sealRated power P2Gross weight, approx. mArticle number
Atmos BST 25/130-0.55/2/6-H12-V5
2
≥0.4
G 1
B9Q1EG
0.55 kW
8.8 kg
9187182
Atmos BST 25/130-0.55/2/6-H12-V9
2
≥0.4
G 1
B9Q1EG
0.55 kW
9.5 kg
9187181
Atmos BST 25/130-0.55/2/6-V5
2
≥0.4
G 1
B9Q1EF
0.55 kW
8.8 kg
9187097
Atmos BST 25/130-0.55/2/6-V9
2
≥0.4
G 1
B9Q1EF
0.55 kW
9.5 kg
9187096
Atmos BST 25/130-0.75/2/6-H12-V5
2
≥0.4
G 1
B9Q1EG
0.75 kW
9.5 kg
9187188
Atmos BST 25/130-0.75/2/6-H12-V9
2
≥0.4
G 1
B9Q1EG
0.75 kW
10.5 kg
9187187
Atmos BST 25/130-0.75/2/6-V5
2
≥0.4
G 1
B9Q1EF
0.75 kW
9.5 kg
9187103
Atmos BST 25/130-0.75/2/6-V9
2
≥0.4
G 1
B9Q1EF
0.75 kW
10.5 kg
9187102
Atmos BST 25/130-1.1/2/6-H12-V5
2
≥0.4
G 1
B9Q1EG
1.1 kW
11.8 kg
9187194
Atmos BST 25/130-1.1/2/6-H12-V9
2
≥0.4
G 1
B9Q1EG
1.1 kW
13.7 kg
9187193
Atmos BST 25/130-1.1/2/6-V5
2
≥0.4
G 1
B9Q1EF
1.1 kW
11.8 kg
9187109
Atmos BST 25/130-1.1/2/6-V9
2
≥0.4
G 1
B9Q1EF
1.1 kW
13.7 kg
9187108
Atmos BST 25/160-0.75/2/6-H12-V5
2
≥0.4
G 1
B9Q1EG
0.75 kW
9.1 kg
9187184
Atmos BST 25/160-0.75/2/6-H12-V9
2
≥0.4
G 1
B9Q1EG
0.75 kW
10.6 kg
9187183
Atmos BST 25/160-0.75/2/6-V5
2
≥0.4
G 1
B9Q1EF
0.75 kW
9.1 kg
9187099
Atmos BST 25/160-0.75/2/6-V9
2
≥0.4
G 1
B9Q1EF
0.75 kW
10.6 kg
9187098
Atmos BST 25/160-1.1/2/6-H12-V5
2
≥0.4
G 1
B9Q1EG
1.1 kW
10.6 kg
9187190
Atmos BST 25/160-1.1/2/6-H12-V9
2
≥0.4
G 1
B9Q1EG
1.1 kW
13.8 kg
9187189
Atmos BST 25/160-1.1/2/6-V5
2
≥0.4
G 1
B9Q1EF
1.1 kW
10.6 kg
9187105
Atmos BST 25/160-1.1/2/6-V9
2
≥0.4
G 1
B9Q1EF
1.1 kW
13.8 kg
9187104
Atmos BST 25/160-1.85/2/6-H12-V5
2
≥0.4
G 1
B9Q1EG
1.85 kW
14.8 kg
9187196
Atmos BST 25/160-1.85/2/6-H12-V9
2
≥0.4
G 1
B9Q1EG
1.85 kW
16 kg
9187195
Atmos BST 25/160-1.85/2/6-V5
2
≥0.4
G 1
B9Q1EF
1.85 kW
14.8 kg
9187111
Atmos BST 25/160-1.85/2/6-V9
2
≥0.4
G 1
B9Q1EF
1.85 kW
16 kg
9187110
Atmos BST 25/160-1/2/6-H12-V5
2
≥0.4
G 1
B9Q1EG
1 kW
10.7 kg
9187186
Atmos BST 25/160-1/2/6-H12-V9
2
≥0.4
G 1
B9Q1EG
1 kW
11.5 kg
9187185
Atmos BST 25/160-1/2/6-V5
2
≥0.4
G 1
B9Q1EF
1 kW
10.7 kg
9187101
Atmos BST 25/160-1/2/6-V9
2
≥0.4
G 1
B9Q1EF
1 kW
11.5 kg
9187100
Atmos BST 25/180-1.85/2/6-H12-V5
2
≥0.4
G 1
B9Q1EG
1.85 kW
15.5 kg
9187192
Atmos BST 25/180-1.85/2/6-H12-V9
2
≥0.4
G 1
B9Q1EG
1.85 kW
17.2 kg
9187191
Atmos BST 25/180-1.85/2/6-V5
2
≥0.4
G 1
B9Q1EF
1.85 kW
15.5 kg
9187107
Atmos BST 25/180-1.85/2/6-V9
2
≥0.4
G 1
B9Q1EF
1.85 kW
17.2 kg
9187106
Atmos BST 25/180-2.2/2/6-H12-V5
2
≥0.4
G 1
B9Q1EG
2.2 kW
21.2 kg
9187198
Atmos BST 25/180-2.2/2/6-H12-V9
2
≥0.4
G 1
B9Q1EG
2.2 kW
22.9 kg
9187197
Atmos BST 25/180-2.2/2/6-V5
2
≥0.4
G 1
B9Q1EF
2.2 kW
21.2 kg
9187113
Atmos BST 25/180-2.2/2/6-V9
2
≥0.4
G 1
B9Q1EF
2.2 kW
22.9 kg
9187112