Wilo-Star-ZD
Wilo-Star-ZD
Your advantages
- Twin-head pump for single or parallel operation
- Suitable for every installation position with horizontal shaft; terminal box in 3-6-9-12 o'clock position
- Internal bypass circulation, which prevents legionella growth in the standby unit
- Increased reliability in individual operation due to the constant availability of a standby unit ready for operation
Recommended services
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 |
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 IP44
- 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 for threaded connection
- 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)Group Statement
Group Statement REACH
| Edition | 2021-05 |
| Number of pages | 5 |
| Language | language neutral |
PDF (279 KB)EAC
EAC 2223358
| Number of pages | 2 |
| Language | language neutral |
PDF (228 KB)EAC ЕАЭС RU C-DE.БЛ08.В.01487/22
| Number of pages | 4 |
| Language | language neutral |
PDF (1 MB)EAC EAC 037-2016
| Number of pages | 2 |
| Language | language neutral |
PDF (825 KB)EAC RU C-DE.БЛ08.В.00900/20
| Number of pages | 4 |
| Language | language neutral |
PDF (3 MB)| 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 |