For use in heating, air conditioning, industrial and potable water systems
- Automatic speed control (proportional pressure, constant volume) or fixed speeds (constant pressure) adjustable by rotary knob
- Integrated night setback
- Bleed screw
- Manual start-up aid
- Pre-assembled screw-in angled connector
- External motor protection not required
- With digital display of current circulator power
- With connection connector
- Delivery without screw connection
Technical data:
- Operating voltage: 230 V, 50 Hz
- Protection class: IP42
- Temperature range: +2°C...+110°C
- Max. operating pressure: 10 bar
- Pump body material: Stainless steel 1.4308
- Mounting length: 180 mm (with thermal insulation shell)
Available variants
Technical details per variant
25-4.0 — Ref. 90 029 48
- Energy Efficiency Index (EEI): 0.17
- Power [W]: 4...20
- Mounting length [mm]: 180
- Protection class (IP): IP42
- Pressure class: PN 10
- Nominal diameter: DN 25 (1")
- Body material: Stainless steel
- Max. fluid temperature (continuous operation) [°C]: 110
- Type: 25-4.0
- External thread: DN 40 (1 1/2")
- Connection: External thread
25-6.0 — Ref. 90 029 49
- Energy Efficiency Index (EEI): 0.18
- Power [W]: 5...37
- Mounting length [mm]: 180
- Protection class (IP): IP42
- Pressure class: PN 10
- Nominal diameter: DN 25 (1")
- Body material: Stainless steel
- Max. fluid temperature (continuous service) [°C]: 110
- Type: 25-6.0
- External thread: DN 40 (1 1/2")
- Connection: External thread
25-8.0 — Ref. 90 029 50
- Energy Efficiency Index (EEI): 0.2
- Power [W]: 6…64
- Mounting length [mm]: 180
- Protection class (IP): IP42
- Pressure class: PN 10
- Nominal diameter: DN 25 (1")
- Body material: Stainless steel
- Max. fluid temperature (continuous service) [°C]: 110
- Type: 25-8.0
- External thread: DN 40 (1 1/2")
- Connection: External thread
Technical data sheets
