Close Please select at least one page for printing.

Wilo-Yonos PICO 25/1-8

Pump curves Δp-c (constant)
Pump curves Δp-v (variable)
Dimension drawing
Terminal diagram

Blocking current-proof motor

Single-phase motor (EM) 2‐pole ‐ 1~230 V, 50 Hz

Approved fluids (other fluids on request)
Heating water (in accordance with VDI 2035)
Water-glycol mixtures (max. 1:1; above 20% admixture, the pumping data must be checked)
Permitted field of application
Temperature range at max. ambient temperature +25 °C
-10...+110
Temperature range at max. ambient temperature +40 °C
-10...+95 °C
Maximum permissible operating pressure Pmax 6 bar
Pipe connections
Threaded pipe union Rp 1
Thread G 1½
Overall length L0 180 mm
Motor/electronics
Energy efficiency index (EEI) ≤ 0.20
Electromagnetic compatibility EN 61800-3
Emitted interference EN 61000-6-3
Interference resistance EN 61000-6-2
Speed control Frequency converter
Protection class IP X2D
Insulation class F
Mains connection 1~230 V, 50/60 Hz
Speed n 1170 - 4800 rpm
Nominal motor power P2 33 W
Power consumption 1~230 V P1 4 - 75 W
Motor protection Not required (blocking-current proof)
Screwed cable connection connector 11 PG
Materials
Pump housing Grey cast iron (EN-GJL-200)
Impeller Plastic (PP - 40% GF)
Pump shaft Stainless steel
Bearing Carbon, metal impregnated
Minimum suction head at suction port for avoiding cavitation at water pumping temperature
Minimum suction head at 50 / 95 / 110 °C 0.5 / 3 / 10 m
Information for order placements
Make Wilo
Type Yonos PICO 25/1-8
Art no. 4164019
Weight approx. m 2 kg

• = appropriate, - = not appropriate

The benchmark for the most efficient circulators is EEI ≤ 0.20.

Please also observe the rating plate for the energy efficiency index.


Pioneering for You
Yonos PICO 15/1-4  Yonos PICO 15/1-4  Yonos PICO 15/1-6  Yonos PICO 15/1-6  Yonos PICO 25/1-4  Yonos PICO 25/1-4  Yonos PICO 25/1-4-130  Yonos PICO 25/1-4-130  Yonos PICO 25/1-6  Yonos PICO 25/1-6  Yonos PICO 25/1-6-130  Yonos PICO 25/1-6-130  Yonos PICO 25/1-8  Yonos PICO 25/1-8  Yonos PICO 25/1-8-130  Yonos PICO 25/6-F-120  Yonos PICO 30/1-4  Yonos PICO 30/1-4  Yonos PICO 30/1-6  Yonos PICO 30/1-6  Yonos PICO 30/1-8  Yonos PICO 30/1-8  Yonos PICO 40/1-8