For use in heating, air conditioning, and industrial installations
- With digital display of current pump power
- Integrated night setback
- Manual start-up aid
- Bleed screw
- Automatic speed control (proportional pressure, constant flow) or fixed speed stages (constant pressure), adjustable by rotary knob
- Pre-assembled angled screw connector
- External motor protection not required
- With connection plug
- Delivery without screw connection
Technical data:
- Supply voltage: 230 V, 50 Hz
- Protection class: IP42
- Temperature range: +2°C to +110°C
- Max. operating pressure: 10 bar
- Pump housing material: KTL-coated grey cast iron, corrosion-resistant
- 130 mm version (without thermal insulation shell)
Available variants
Technical details per variant
15-4.0 — Ref. 90 029 39
- Energy Efficiency Index (EEI): 0.17
- Power [W]: 4...20
- Installation length [mm]: 130
- Protection class (IP): IP42
- Pressure class: PN 10
- Nominal diameter: DN 15 (1/2")
- Body material: Cast iron
- Max. fluid temperature (continuous operation) [°C]: 110
- Type: 15-4.0
- External thread: DN 25 (1")
- Connection: External thread
15-6.0 — Ref. 90 029 40
- Energy Efficiency Index (EEI): 0.18
- Power [W]: 5...37
- Installation length [mm]: 130
- Protection class (IP): IP42
- Pressure class: PN 10
- Nominal diameter: DN 15 (1/2")
- Body material: Cast iron
- Max. fluid temperature (continuous operation) [°C]: 110
- Type: 15-6.0
- External thread: DN 25 (1")
- Connection: External thread
20-4.0 — Ref. 90 029 42
- Energy Efficiency Index (EEI): 0.17
- Power [W]: 4...20
- Installation length [mm]: 130
- Protection class (IP): IP42
- Pressure class: PN 10
- Nominal diameter: DN 20 (3/4")
- Body material: Cast iron
- Max. fluid temperature (continuous operation) [°C]: 110
- Type: 20-4.0
- External thread: DN 32 (1 1/4")
- Connection: External thread
25-4.0 — Ref. 90 029 45
- Energy Efficiency Index (EEI): 0.17
- Power [W]: 4...20
- Installation length [mm]: 130
- Protection class (IP): IP42
- Pressure class: PN 10
- Nominal dimension: DN 25 (1")
- Body material: Cast iron
- 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 46
- Energy Efficiency Index (EEI): 0.18
- Power [W]: 5...37
- Installation length [mm]: 130
- Protection class (IP): IP42
- Pressure class: PN 10
- Nominal diameter: DN 25 (1")
- Body material: Cast iron
- Max. fluid temperature (continuous operation) [°C]: 110
- Type: 25-6.0
- External thread: DN 40 (1 1/2")
- Connection: External thread
25-8.0 — Ref. 90 029 47
- Energy Efficiency Index (EEI): 0.2
- Power [W]: 6…64
- Installation length [mm]: 130
- Protection class (IP): IP42
- Pressure class: PN 10
- Nominal diameter: DN 25 (1")
- Body material: Cast iron
- Max. fluid temperature (continuous operation) [°C]: 110
- Type: 25-8.0
- External thread: DN 40 (1 1/2")
- Connection: External thread
Data sheets
