Description
Construction type
Ventilated motor pumps with monobloc construction and flange fitting
Application
For pumping heating water (according to VDI 2035), water/glycol mixtures, cold and cooling water without abrasives in heating, air conditioning and refrigeration systems.
Key to reading
Example
|
BL 40/160-4/2
|
BL
|
Monobloc pump
|
40
|
Nominal diameter DN of the mouth (pressing mouth)
|
160
|
Nominal impeller diameter
|
4
|
Nominal motor power P2 in kW
|
2
|
Number of poles
|
Technical data
Permissible temperature range from -20 °C to +140 °C
Mains power supply 3~400 V, 50 Hz (other power supply on request)
IP55 rating
Nominal diameter DN 32 - DN 150
Max. operating pressure 16 bar (25 bar on request)
Materials
Pump body and lantern: Standard: EN-GJL-250; optional: ductile iron EN-GJS-400-18-LT (depending on type)
Impeller: Standard: EN-GJL-200; special version: CuSn 10 bronze, stainless steel 1.4408 (depending on type)
Tree: 1.4122
Mechanical seal: AQEGG; Other mechanical seals on request
Construction
Single-stage low-head centrifugal pump in monobloc construction with axial suction port and radially arranged delivery port with
Mechanical seal
flange fitting with connection for measuring pressure R 1/8
Lantern
Joint
IEC standard motor
Supply
Pump
Assembly, use and maintenance instructions
Options
Variant ...-L1 with bronze impeller (for an extra charge)
Variant ...-L4 with stainless steel impeller (for an extra charge)
Variant ...-H1 with ductile iron housing (for an extra charge)
Variant ...-P6 with "back pull out" structure and cartridge mechanical seal (subject to surcharge)
Other voltages and frequencies as well as ATEX approval on request
Fixings
Supports (pump body and motor) for floor mounting
Thermistor probe, thermal release
Special motors
Special mechanical seals
SC-HVAC, CC-HVAC control systems and control devices