Centrifugal circulating electric pumps of CVC-Т type are intended for water circulation at a temperature up to 60°С, containing not more than 0,01 % of mechanical impurities by weight and the size of particles up to 0,1 mm within the service water systems.
Electric pumps are fabricated in single-phase version rated for 220 V and three-phase version rated for 380 V.
Maximum ambient temperature under service conditions is 40°С, relative humidity of air of up to 80%.
As far as the type of protection against electrical shock is considered, the electric pumps correspond to 1st class.
Electric pumps are not designed for servicing in explosion-and-fire hazard premises.
Climatic version U3.1 as per GOST15150-69. Temperature class of electric pump unit ТF 60.
Electric pump is a monoblock unit consisting of an asynchronous three-phase or single-phase motor with synchronous speed of 50s-1 (3000 rpm) and pump section.
Pump section comprises: cast iron casing, impeller, connecting piece and coupling. Impeller is secured on the shaft by the screw. The shaft is sealed by the end seal. The casing is sealed around a joint by rubber ring.
|Pump models||Flow (nomin.), m³/h||Head, m||Head (max.), m||Pump power input (max.), kW||Pump inlet pressure, MPa, max||Pump efficiency,%||Electric pump efficiency,%||Current, A||Voltage, V||Frequency, Hz||Number of phases||Type of current||Weight, kg|
For example CVC-T 6,3-3,5 TU 3631-036-05747979-96, where:
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