Star-STG
Glandless pump circulator
- Special hydraulics for use in solar and geothermal energy systems
- Pump housing with wrench attachment point
- Pump housing with cataphoretic coating for preventing corrosion due to condensation formation
Wilo-Star-STG
Number of results: [5]
Pump connection
Port-to-port length L0
| 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-STG 15/4 | G 1 | DN 15, RP 1/2 | 130 mm | 10 bar | 1~230 V, 50 Hz | 2.2 kg | 180 | 4056933 | |
Star-STG 15/6 | G 1 | DN 15, RP 1/2 | 130 mm | 10 bar | 1~230 V, 50 Hz | 2.4 kg | 180 | 4056946 | |
Star-STG 15/11 | G 1 | DN 15, RP 1/2 | 180 mm | 10 bar | 1~230 V, 50 Hz | 3.9 kg | 180 | 4061442 | |
Star-STG 25/4 | G 1½ | RP 1, DN 25 | 180 mm | 10 bar | 1~230 V, 50 Hz | 2.7 kg | 180 | 4050265 | |
Star-STG 25/6 | G 1½ | RP 1, DN 25 | 180 mm | 10 bar | 1~230 V, 50 Hz | 2.7 kg | 180 | 4050266 |
Recommended services
Wilo-Star-STG
Design
Glandless circulator with threaded connection. Preselectable speed stages for power adjustmentApplication
Primary circuits of solar and geothermal systemsEquipment/function
Operating modes
- Speed-stage switching
Manual functions
- Setting of the speed stages: 3 speed stages
Equipment
- Wrench attachment point on pump body (only for nominal diameter of DN 25/DN 30)
- Cable inlet in possible on both sides
- Quick connection with spring clips
- Blocking current-proof motor
Type key
Example: | Star STG 25/6 |
Star-STG | Standard pump for solar and geothermal energy systems |
25/ | Nominal diameter Rp 1 |
6 | maximum delivery head in m |
Technical data
- Permissible temperature range ‐10°C to +110 °C, in short-time duty (2 h) +120 °C
- Mains connection 1~230 V, 50 Hz
- IP rating IP44
- Screwed connection Rp ½, Rp 1 and Rp 1¼
- Max. operating pressure 10 bar
Materials
- Pump housing: Grey cast iron
- Impeller: Polypropylene
- Shaft: stainless steel
- Bearing: Carbon, metal impregnated
Scope of delivery
- Pump
- Gaskets for threaded connection
- Installation and operating instructions
Accessories
- Screwed connections
- Adapter fittings
- Thermal insulation shells
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Datasheet and documentation
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