Wilo-Varios -STG 25/1-7 circulating pump
Wilo-Varios PICO-STG 25/1-7 highest efficiency pump
Meet the highest efficiency pump Wilo-Varios PICO-STG - a glandless circulating pump with electronic capacity control, designed for heating and air conditioning systems, as well as solar and geothermal equipment. The device is maintenance-free and equipped with a synchronous motor made with ECM technology, resistant to current when blocked. The pump has a threaded connection and built-in electronic capacity control for stepless differential pressure adjustment
Standard features available
- Multi-option control: Selectable type of control to optimally match operation to load:
- Constant differential pressure (Δp-c) - 3 defined pump characteristics
- Variable differential pressure (Δp-v) - 3 defined pump characteristics
- Constant speed - 3 speed stages
- External signal control iPWM GT (heating/geothermal energy) or iPWM ST (solar energy)
- Sync function: Manual programming mode to reprogram the pump in a replacement situation.
- Manual venting function for the impeller chamber
- Possibility of manual restart
- LED display - presentation of the selected type of control, pump characteristics, venting status and possible faults
- Built-in motor protection and automatic deblocking function
- Electrical power cable with 3-pole plug and Wilo-Connector
- PWM connection
- Cataphoresis-coated pump body
Operating data
| Parameter | Value |
|---|---|
| Min. temperature of the pumped liquid (Tmin) | -10 °C |
| Max. temperature of the pumped liquid (Tmax) | 95 °C |
| Ambient temperature (min) | -10 °C |
| Ambient temperature (max) | 40 °C |
| Max. operating pressure (PN) | 10 bar |
| Minimum inlet height for 50 °C | 0,5 m |
| Minimum inlet height for 95 °C | 3 m |
| Minimum inlet height for 110 °C | 10 m |
Motor data
| Parameter | Value |
|---|---|
| Energy efficiency index (EEI) | ≤ 0,20 |
| Mains connection | 1~230 V ±10%, 50/60 Hz |
| Rated powerP2 | 38 W |
| Speed (min) | 2340 1/min |
| Speed (max) | 4366 1/min |
| Power consumption (P1 min) | 1 W |
| Power consumption (P1 max) | 50 W |
| Interference generation | EN 61000-6-3 |
| Interference immunity | EN 61000-6-2 |
| Electromagnetic compatibility | EN 61800-3 |
| Insulation class | F |
| Degree of protection | IPX4D |
| Cable gland | 1 x PG11 |
Materials and construction
- Pump body: grey cast iron
- Impeller: PP-GF40
- Shaft: Stainless steel
- Bearing material: Sintered carbon, metal impregnated
Installation dimensions
- Suction side connection: G 1½
- Discharge side connection: G 1½
- Installation length L0: 180 mm
Additional information
- Manufacturer: Wilo
- Product name: Varios PICO-STG 25/1-7
- Net weight: approx. 1.8 kg
- Article number: 4215542
We invite you to purchase the highest efficiency pump Wilo-Varios PICO-STG 25/1-7 in the store SPS24.eu. Thanks to its advanced ECM technology, electronic capacity control and reliable design, this pump is ideal for modern heating and air conditioning systems, as well as solar and geothermal systems