Wilo-BAC
The OEM safe solution for Chillers and Heat-Pumps.
The OEM safe solution for Chillers and Heat-Pumps.
The Wilo-BAC series is specifically designed for safe integration into Chillers & Heat Pumps, including new generations using the eco-friendly R290 refrigerant. For that purpose, the BAC50 was tested by an external laboratory to verify the compliance to the requirements of clauses 22.116 and 22.117 of IEC 60335-2-40:2022.
Its Victaulic ports make the connection quick and easy. It is available in different power rates with a high interchangeability, providing a high flexibility of usage. Designed specifically for continuous operation, the pump also offers a long service life thanks to its corrosion-resistant materials or coatings and maintenance-free roller bearings.
Recommended services
Your advantages
- Highest level of safety in heat pumps and chillers due to compatibility with refrigerants up to R290 gas
- Energy savings thanks to ultra-modern hydraulics and motors
- Victaulic connection for quick installation
- Optimised pump dimensions for flexibility during replacement
- High reliability thanks to top-quality mechanical seal and bearing
- Low noise due to modern motor design
- optional: Maximum comfort with electrical connection thanks to quick connection plug
Product features
All BAC 50 models can be replaced without changes to base supports or piping
Environmentally friendly features
- Efficient pump hydraulics (MEI ≥ 0.7) and usage of IE3 motors for high energy saving
- Compact design of cast iron components for lowest possible weight
- Sustainable and carbon-neutral production and processes in our European factories
Design
Glanded pump in monobloc design with Victaulic connection
Application
For pumping cooling and cold water, water-glycol mixtures and other fluids without abrasive substances.
The BAC50 can be used in R290 heat pumps (in accordance with IEC 60335-2-40).
Equipment/function
Single-stage low-pressure centrifugal pump in block design, with axial suction port and radially arranged pressure port
Typekey
Example | BAC 50/122-1.5/2 |
BAC | Monobloc pump for cooling and air-conditioning applications |
50 | Pipe connection (pressure port) |
122 | Impeller diameter |
1.5 | Rated motor power P2 in kW |
2 | Number of poles |
Technical data
- Permissible temperature range: -15 °C to +60 °C (BAC70)
- Permissible temperature range: -15 °C to +90 °C (BAC50)
- Mains connection 3~400 V, 50 Hz (others on request)
- Protection class IP55
- Victaulic connection: DN 50 (60.3 mm) or DN 65 (76.1 mm)
- Max. operating pressure 10 bar (BAC50) or 6.5 bar (BAC70)
Materials
- Pump housing: PA 6.6 50 % GF (BAC70)
- Pump housing: EN-GJL-250 (BAC50)
- Impeller: PA/PPO, fibreglass-reinforced
- Shaft: X30Cr13
- Mechanical seal: BQEGG
Construction
Single-stage low-pressure centrifugal pump in block design, with axial suction port and radially arranged pressure port.
Scope of delivery
- Pump
- Installation and operating instructions
Installation and operating instructions
Wilo-BAC
| Article Number | 2036430 |
| Edition | 0203 |
| Number of pages | 23 |
| Language | en |
PDF (1 MB)Wilo-BAC
| Article Number | 2133933 |
| Edition | 2024-04 |
| Number of pages | 72 |
| Language | de, en, fr, nl |
PDF (1 MB)Consulting manual
Glanded pumps, single-stage, single-volute
| Article Number | Wilo515021 |
| Edition | 2021-12 |
| Number of pages | 24 |
| Language | en |
PDF (7 MB)Certification booklet
Wilo-BAC
| Article Number | 4251952 |
| Edition | 2021-08 |
| Number of pages | 20 |
| Language | language neutral |
PDF (4 MB)Group Statement
Group Statement REACH
| Edition | 2021-05 |
| Number of pages | 5 |
| Language | language neutral |
PDF (327 KB)Reference sheet
Reference Sheet (English) - Power industry - Power Station Anpara, Anpara, India, 2014
| Number of pages | 2 |
| Language | en |
PDF (2 MB)| Product description | Number of poles | MEI | IE | Pipe connection on the suction side DNs | Pipe connection on the discharge side DNd | Rated power P2 | Gross weight, approx. m | Article number | |
|---|---|---|---|---|---|---|---|---|---|
BAC50-82-0.55/2 | 2 | ≥0.58 | IE3 | Ø 60,3 | Ø 60,3 | 0.55 kW | 14.5 kg | 4245151 | |
BAC50-91-0.75/2 | 2 | ≥0.78 | IE3 | Ø 60,3 | Ø 60,3 | 0.75 kW | 15.2 kg | 4245152 | |
BAC50-99-0.75/2 | 2 | ≥0.8 | IE3 | Ø 60,3 | Ø 60,3 | 0.75 kW | 15.2 kg | 4245153 | |
BAC50-106-1.1/2 | 2 | ≥0.8 | IE3 | Ø 60,3 | Ø 60,3 | 1.1 kW | 17.1 kg | 4245154 | |
BAC50-112-1.5/2 | 2 | ≥0.8 | IE3 | Ø 60,3 | Ø 60,3 | 1.5 kW | 19.7 kg | 4245155 | |
BAC50-117-1.5/2 | 2 | ≥0.8 | IE3 | Ø 60,3 | Ø 60,3 | 1.5 kW | 21.3 kg | 4245156 | |
BAC50-122-1.5/2 | 2 | ≥0.8 | IE3 | Ø 60,3 | Ø 60,3 | 1.5 kW | 21.3 kg | 4245157 | |
BAC50-128-1.85/2 | 2 | ≥0.8 | IE3 | Ø 60,3 | Ø 60,3 | 1.85 kW | 22.9 kg | 4245158 | |
BAC50-134-2.2/2 | 2 | ≥0.8 | IE3 | Ø 60,3 | Ø 60,3 | 2.2 kW | 24.4 kg | 4245159 | |
BAC 70/135-3/2-DM/R-2 | 2 | ≥0.4 | IE3 | Ø 76,1 | Ø 76,1 | 3 kW | 32.5 kg | 4213201 | |
BAC 70/135-4/2-DM/R-2 | 2 | ≥0.4 | IE3 | Ø 76,1 | Ø 76,1 | 4 kW | 39 kg | 4213202 |