Explosionproof Leybold Vacuum Pump Used Transformer Oil Filtration

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Model NO.: filtration
Working Noise: <65dba
Capacity: 10~300L/Min
Filtering Precision: <1 Micron
Operation Training: Supply for Free
Deliver Time: 10 Days
Extra Optional Equipment: Mobile Trailer and Water Proof Door
Buyer Inspection: Supply for Buyer Before Shipment
Machine Free Parts: Supply for Free
Trademark: HLA
Transport Package: Wooden Case
Specification: ISO9001, CE, SGS
Origin: Chongqing, China
HS Code: 8421299090
Explosionproof leybold vacuum pump used transformer oil filtration
Explosionproof Leybold Vacuum Pump Used Transformer Oil Filtration
Application:
DVP series double stages vacuum transformer oil purifier is special designed for processing insulating oil of high voltage electric equipments(especially for more than 500KV UHV 
insulating oil) in workshops or the field,storage tanks or drums, it adopts double stages 
vacuum source, double stages vacuum dehydration and degasification vessels, three 
stages precise filtration system, which can separate moisture, gas, particles and other 
harmful ingredients from oil much quickly and effectively to ensure the dry level and 
dielectric strength improving greatly.. Meanwhile, DVP machine can be used for online 
oil treatment for transformers and vacuum drying and oil-pumping for electrical equipment. 
It is also applied to the above 110KV EHV transmission and distribution equipment, 
capacitor oil, cable oil, mutual inductor oil etc.

Features:
1. Horizontal double vacuum separation technology, doubling the evaporation area and 
    degassing time 
2. Double stages vacuum source and dehydration, degasification system, vacuum pump 
    with roots pump, high speed vacuum evacuation, ultimate vacuum ≤ 5Pa
3. Multi-stage precise filtration system with gradually increasing precision, which can 
    effectively remove mechanical impurities from oil.
4. Automatic double-infrared liquid level controller, pressure protector, which ensure 
    long-term safely and reliable operation.
5. Fully automatic temperature controlling system and multi-stages electric oil heater 
    adopts low-load design to ensure uniform heating oil, the load is less than 1.0W/cm2, 
    oil level and temperature protection of heater, which avoid cracking and aging of oil.
6. Automatic defoaming system with dual electronic monitoring system, which avoid the 
    foam ejecting and gushing to vacuum pump.
7. Advanced cooling system of vacuum pump, it reduces the frequency of oil's 
    replacement and extends the life of vacuum pump.
8. Interlocked protective system connects oil pump, heater and liquid level sensor, 
    avoiding blank heating, blank pumping, oil leak and electricity leak. If there is any fault, 
    machine will be power off automatically.
9. Online oil treatment, vacuum drying and vacuum oil-filling for electric equipments.
 
Model DVP030 DVP050 DVP080 DVP100 DVP125 DVP150 DVP200 DVP250 DVP300
Capacity(L/min) 30 50 80 100 125 150 200 250 300
Vacuum level -0.08~-0.099 Mpa
Working pressure ≤ 0.4 Mpa
Ultimate vacuum ≤ 5 Pa
Temperature range 20-80ºC
Filtering precision ≤1 micron
Continuous work ≥200 hr
No failure running ≥5000 hr
Power supply 380V, 50HZ, 3PH ( or Customized )
Working noise 65 dB
Heating power (kw) 24 30 48 60 72 90 125 136 150
Total power (kw) 27 34 54 68 80 100 135 148 165
Inlet/outlet(mm) 32 32 44 44 48 50 55 60 65
Weight (kg) 600 700 800 900 1100 1200 1800 1950 2300
Dimension
(mm)		 L 1300 1350 1500 1800 1900 2000 2100 2150 2300
W 1000 1000 1100 1150 1200 1250 1300 1350 1400
H 1500 1500 1600 2000 2100 2150 2200 2250 2300
Technical Parameters
 
 
 
Index Of Purified Oil
Breakdown voltage ≥ 70KV
Water content ≤ 3ppm
Gas content ≤ 0.1%
Filtering particles ≥ 99.5%
Particles size ≤ 1 micron
Cleanness ≤ Grade 6 (NAS)
Processing by regeneration device as following (Optional device)
Acid value ≤ 0.03 mgKOH/g
Water-solubility ≥ 5.4 PH
Flash point (close cup) ≥ 135°C
Dielectric- factor loss tgδ (90ºC)% ≤ 0.005
 
Working Principle 
The transformer oil is drawn into the system by the use of the vacuum created by the 
vacuum system and is passed through an inlet coalesce filter, before entering into the 
vacuum chamber, where water and gases contained in the oil are thoroughly exposed 
to vacuum by efficient dispersion and removed through a vacuum pumping; the oil is 
heated by the electrical heater to the operator pre-set processing oil temperature. The 
sprayer inside the vacuum chamber maximizes the exposure of oil to the effect of vacuum, 
which make moisture and gas dissolved in oil evaporated and discharged through vacuum
pump. After dehydration and degasification,the purified oil is discharged by a pump through
second filter and fine filter, where a fine polishing of oil takes place. After passing through 

the fine filter, the oil flows through the outlet or re-circulation valve.
Explosionproof Leybold Vacuum Pump Used Transformer Oil Filtration
Explosionproof Leybold Vacuum Pump Used Transformer Oil Filtration

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