1
replacement option found
Existing pump - Circulation Pump curve
Brand
Biral
Product name
W 10
Overall length
120 mm
Mains connection
1x230 V
Pipe Connection
G 32
Replacement pump - Conventional Exchange sheet
Product name
Star-Z 20/1
Item no.
4028111
Overall length
140 mm
Mains connection
1x230 V
Pipe Connection
G 25
Fluid temperature range
Max +65 °C
Comment
**NOTE** Modification of piping.
Product information
Star-Z 20/1
Star-Z 20/1
Item no.
: 4028111
Your advantages
- AC pumps with electrical quick connection
- All plastic parts that come into contact with the fluid fulfil KTW recommendations
Glandless circulator with screwed connection.
Application
Domestic hot water circulation systems in the industry and building services.
Equipment/function
Operating modes:
- Speed stage switching (Star-Z...-3 only)
- Setting of the speed stages (1 speed stage, 3 speed stages with Star-Z...-3 pumps)
- Wrench attachment point on the pump body (Star-Z 25 only)
- Cable inlet in possible on both sides
- Quick connection with spring clips
- Blocking-current proof motor
- Pump
- Gaskets for threaded connection
- Installation and operating instructions
- Constant speed or, for Star-Z...-3, three selectable speed stages
- 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 Rp ½ (¾), Rp 1
- Max. operating pressure 10 bar
- Pump housing: bronze
- Impeller: Plastic
- Shaft: Oxide ceramic
- Bearing: Carbon, synthetic resin-impregnated
