Star-ZD
Glandless pump circulator
- 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
Wilo-Star-ZD
Number of results: [1]
| Product description | Pump connection | Pump connection (alternative designation) | 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 | RP 1, DN 25 | 180 mm | 10 bar | 1~230 V, 50 Hz | 6.7 kg | 60 | 4111288 |
Recommended services
Star-ZD
Design
Glandless twin-head circulator with threaded connection; preselectable speed stages for power adjustmentApplication
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
Type key
Example: | Wilo-Star-ZD 25/6 |
Star-ZD | Twin-head circulator for domestic hot water |
25/ | Nominal connection diameter |
6 | Maximum delivery head in 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
- IP rating 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