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Wilo-Stratos-Z 25/1-8

Pump curves
Dimension drawing
Terminal diagram
SSM:Collective fault signal

(NC contact according to VDI 3814, load capacity 1 A, 250 V ~)

For function, see Wilo catalogue, chapter "Pump management Wilo-Control, consulting guide"

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)
Drinking water and water for food-processing companies in accordance with TrinkwV 2001 (drinking water ordinance) • (with the exception of pumps in grey cast iron)
Permitted field of application
Temperature range at max. ambient temperature +40 °C -10...+110 °C
Temperature range for applications in domestic hot water circulation systems at maximum ambient temperature of +40°C 0°C...+80°C
Max. permitted total hardness in domestic hot water circulation systems 3.57 mmol/l (20 °dH)
Maximum permissible operating pressure Pmax 10 bar
Pipe connections
Threaded pipe union Rp 1
Thread G 1½
Overall length l0 180 mm
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 X4D
Insulation class F
Mains connection 1~230 V, 50/60 Hz
Rated power P2 100 W
Speed n 1400 - 3700 rpm
Power consumption P1 9 - 125 W
Current consumption I 0.13 - 1.10 A
Motor protection integrated
Threaded cable connection PG 1x7/1x9/1x13.5
Pump housing Red brass (CC 499K) according to DIN 50930-6 in accordance with Drinking Water Ordinance
Impeller Plastic (PPS - 40% GF)
Pump shaft Stainless steel (X39CrMo17-1)
Bearing Carbon, synthetic resin impregnated
Minimum suction head at suction port for avoiding cavitation at water pumping temperature
Minimum suction head at 50 / 95 / 110 °C 3 / 10 / 16 m
Information for order placements
Make Wilo
Type Stratos-Z 25/1-8
Art no. 2090469
Weight approx. m 4 kg
Pioneering for You
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