Calpeda Pumps

SKU:BT 61E | 71020022000

Delivery Time: 2-3 Weeks Lead Time

Calpeda BT | BTP Peripheral Pumps:

Compact bronze peripheral pumps for boosting pressure in clean water and HVAC systems

Flow: 0.06 to 6 m³/h
Head: 5 to 165 m
Power: 0.33 to 7.5 kW

Performance:
The Calpeda BT and BTP series are peripheral close-coupled electropumps crafted in bronze, making them ideal for clean water systems with high head demands. Their compact footprint suits tight installations, while BTP models offer working pressures up to 16 bar and come fully painted for long-lasting corrosion protection.

Applications:
Ideal for handling clean, non-abrasive, and non-aggressive liquids in:

• Pressure boosting systems (subject to local regulations)
• Cooling and air-conditioning circuits
• Circulation and boiler feed systems
• Compact machinery and OEM equipment

Construction:

• BT, BTP: Bronze pump casing, lantern bracket, and casing cover
• Impeller in brass or bronze (model-dependent)
• Shaft in stainless steel AISI 316
• Carbon-ceramic mechanical seal
• Peripheral design delivers high head at low flow
• Fully painted for durability and corrosion resistance

Operating Conditions:
Liquid temperature: -10 °C to +90 °C
Ambient temperature: Up to 40 °C
Total suction lift: Up to 7 m
Max working pressure: 12.5 bar (16 bar for BTP series)
Continuous duty

Motor:
2-pole induction motor, 50 Hz (n ≈ 2900 rpm)
Three-phase: 230/400 V (≤3 kW), 400/690 V (4–7.5 kW)
Single-phase: 230 V with thermal protection (BTM, BTPM models)
Insulation class F, IP54 (IP55 on request)
IE2 efficiency (single-phase), IE3 (three-phase from 0.75 kW)
Compatible with frequency converters
Complies with EN 60034 and EN 60335 standards

Delivery:
Free UK mainland delivery from Pumps & Gearboxes Direct