Wilo-Star-ZD
| Product description | Pump connection | Port-to-port length L0 | Maximum operating pressure PN | Mains connection | Gross weight, approx. m | Pieces per pallet | Article number |
|---|---|---|---|---|---|---|---|
Star-ZD 25/6 | G 1½ | 180 mm | 10 bar | 1~230 V, 50 Hz | 6.7 kg | 60 | 4111288 |
Wilo-Star-ZD
Design
Glandless twin-head circulator with threaded connection; preselectable speed stages for power adjustment
Application
Domestic hot water circulation systems in industry and building services.
Equipment/function
Operating modes
- Speed-stage switching
Manual functions
- Setting the speed stages (3 speed stages)
Equipment
- Double switchover valve in pump housing
- Cable inlet in possible on both sides
- Internal bypass
- quick connection with spring clips
- Blocking-current proof motor
Typekey
Example: | Wilo-Star-ZD 25/6 |
Star-ZD | Double circulation pump for drinking water |
25/ | Nominal connection diameter |
6 | Nominal delivery head [m] at Q = 0 m³/h |
Technical data
- Fluid temperature
- Drinking water up to 3.21 mmol/l (18 °dH): max. +65°C, in short-time duty (2 h) up to +70°C
- Mains connection 1~230 V, 50 Hz
- Protection class IP 44
- Nominal diameter G1½
- Max. operating pressure 10 bar
Materials
- Pump housing: red brass
- Impeller: Plastic
- Shaft: Ceramic
- Bearing: Carbon, synthetic resin-impregnated
Scope of delivery
- Pump
- Gaskets
- Installation and operating instructions
Accessories
- Screwed connections
Installation and operating instructions
Wilo-Star-Z/-ZD
| Article Number | 4236978 |
| Edition | 2019-08 |
| Number of pages | 184 |
| Language | ar, cs, de, el, en, es, fr, it, pl, ru, sv |
PDF (5 MB)Take advantage of the latest replacement guide
The current replacement guide on all glandless pumps for heating and drinking water applications makes choosing the right pump easier for you. Here, you will find a suitable new Wilo pump for all known pumps built after 1975.
After entering your old pump data, select the current pump type.