Transformer evacuation systems BV series
TECHNICAL DESCRIPTION OF EQUIPMENT
Transformer evacuation system model BV-3000 is designed for evacuation of power transformer tanks and for vacuum drying of electrical apparatus as well. It can also be used together with transformer oil purification plants.Transformer evacuation system consists of double stage vacuum pump group (three backing vacuum pumps and booster vacuum pump).
Two rotary vane vacuum pumps with capacity of 3×100 m3/hour each are used as backing pumps; one Roots rotary piston pump is used as booster vacuum pump.
Backing vacuum pump is used for creation of initial vacuum and booster pump creates absolute vacuum.
This pump combination allows to secure high efficiency of Transformer evacuation system up to 3000 m3/hour by maximum vacuum value up to 0,01 mm.Hg (Tоrr).
Specifications of the Evacuation System BV-3000
|1||Suction capacity, m3/h||
|2||Ultimate vacuum, mm.Hg (Tоrr)||
|AC frequency, Hz||
|Maximum power consumption, kW||
|5||Ambient temperature, oС||
5 – 40
|6||Connection type inlet/outlet||
|7||Inlet/outlet diameter, Dn, mm||