Wilo Atmos BST is a single-stage centrifugal pump used in a variety of applications, such as water supply, HVAC, and industrial cooling, for pumping clean or slightly polluted water and non-aggressive liquids. The name “BST” stands for Block Stamped Technology, referring to its compact “block” design where the pump and motor are rigidly connected. This construction provides a robust, low-vibration, and easy-to-install system.
Construction Design
Single-stage low-pressure centrifugal pump in monobloc design,
with axial suction port and radially arranged pressure port with
Mechanical seal
Flange connection with pressure measuring connection R 1/8
For pumping heating water (in accordance with VDI 2035), water
glycol mixtures, cooling water and chilled water without abrasive
substances in heating, chilled water and cooling water systems.
Volume Flow Q Max : 220 m3/hr
Delivery Head Max : 70 m
Special features :
Ultra-modern pump hydraulics and the IE3 motor save energy
Various impeller materials, multiple motor options and a wide range of mechanical seals enable universal deployment in many different applications
Block construction and pump feet enable easy installation
Hydraulic components made of stainless steel provide high
resistance to corrosion and long service life
Technical data :
Permissible temperature range of -20 °C to +120 °C
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