- Suitable for any installation location with a horizontal shaft; terminal box in 3-6-9-12 o’clock position
- Three preselectable speed stages for load adjustment
- Easy and safe installation due to practical wrench attachment point on pump body
- Simplified electrical installation due to terminal box with removable threaded cable gland that can be used on both sides; quick connection with spring clips
Star-RS
Glandless pump circulator
Design
Glandless circulator with threaded connection. Preselectable speed stages for power adjustment
Application
Hot-water heating systems of all kinds, industrial circulation systems, chilled water systems and air-conditioning systems
Equipment/function
Operating modes
- Speed-stage switching
Manual functions
- Setting of speed stages (3 speed stages)
Equipment
- Wrench attachment point on pump body
- Cable lead-in possible on both sides
- Quick connection with spring clips
- Blocking current-proof motor
Type key
| Example: | Wilo-Star-RS 25/4 |
| Star-RS | Standard pump (screw-end pump) |
| 25/ | Nominal connection diameter Rp |
| 4 | Maximum delivery head in m at Q = 0 m³/h |
Technical data
- Permissible temperature range -10°C to +110°C
- Mains connection 1~230 V, 50 Hz
- IP rating IP 44
- Threaded connection Rp ½, Rp 1 or Rp 1¼
- Max. operating pressure 10 bar
Materials
- Pump housing: Grey cast iron
- Impeller: Plastic
- Shaft: stainless steel
- Bearing: Carbon, metal impregnated
Scope of delivery
- Pump
- Gaskets for threaded connection
- Installation and operating instructions
Options
- Version …-130 with short port-to-port length of 130 mm
Accessories
- Screwed connections
- Adapter fittings
- Thermal insulation shells
Installation and operating instructions
Wilo-Star RS, RSD
Article Number: 4271080
Issue date: 2505
Edition: 01
Language: ar, en, es, fr, kk, ru, sr
DownloadGroup Statement
Group Statement REACH
Article Number:
Issue date: 2021-05
Edition:
Language: language neutral
DownloadStandard Conformity
Standard Conformity 2117863-04
Article Number: 2117863-04
Issue date: 2016-06-06
Edition:
Language: language neutral
Download