Double Stage Vacuum Insulating Oil Purifier Suppliers and Manufacturers

Application: Series zyd double-stage vacuum transformer oil purifier machine is special for treating the used and old transformer oil, mutual oil, switch oil. Comparing with the single stage type, this machine adopts the double stages vacuum system, which can improve the machine working vacuum value highly, so it can remove the water, gas and impurities in insulation oil high-efficiently, increasing the pressure force and quality of oil, make sure the electric device running safely. Also it can inject the insulation oil into the transformers on line, regeneration the seriously deteriorated oil by removing the polarity materials. The machine is specially applied to vacuum filling oil and drying for power transmission equipments that are over 110kv. The oil technical data after treatment: 1. Gas content less than 0.1% 2. Impurity size less than 1ª8m without free carbon 3. Oil dielectric strength (breakdown voltage) more than 75kv 4. Acidity value less than 0.01 mgkoh/g 5. Dielectric loss factors at 90íµ less than 0.001 Feature: 1. Ph of treat oil í²5.5 2. Acid value ín0.03mgkoh/g 3. Flash point í²145íµ 4. Anti-pressureí²60kv 5. Dielectric loss: dielectric loss: tg ªS (90ípc)% ín0.001 6. High vacuum: high point-vacuum ín5pa; working-vacuum ín35pa 7. High absorption speed: absorption speed power í²333l/sr. 8. Duplex 3d stereo-evaporation, eliminating the liquid water quickly 9. Uk g technology, by which the trace water that is show chain, such as dissolved water, can be removed effectively 10. Instinctively removing impurities system filtering through the double fh trapezoidal network and absorbing by high polymer without mechanical power 11. Argon fiber infrared heating system that can make the oil contain zero sum of ethyne after the treatment. Wooden case

Application: ZYD Series Double-Stage Vacuum Insulation Oil Purifier can quickly and effectively remove moisture, gas (Hydrogen, acetylene, methane, etc.) and impurities from the insulation oil, to improve the oil dielectric performance. The filtered oil can effectively ensure the power equipment run safely and normally. ZYD Double-stage vacuum oil purifier is widely used in power supply, power generation, power transmission and transformation, power equipment manufacturing, power engineering, electrical equipment maintenance, power testing, electrical research and other industries. It is especially suitable for the filtration of high-grade transformer oil and ultra-high transformer oil, and can be applied to online oil filtering operations at the power substation (like 110KV / 220KV / 500KV). Meanwhile, ZYD oil purifier has the functions of vacuum drying, vacuum oil injection, and hot oil circulation. It can also be used as a separate vacuum pumping unit to evacuate transformers and power equipment. Features: The vacuum system uses the roots pump as the main pump and the rotary vane vacuum pump as the primary pump. Fast start-up, large pumping speed, stable performance, and high ultimate vacuum of less than 5Pa. Double horizontal vacuum separators, combined with Duplex-Stereo film evaporation technology Strong ability to remove impurities: ultra-large area cylindrical precision filter element, with high filtration accuracy, easy installation and replacement. Low-load heating: Adopt advanced internal and external double-tube heat radiation indirect heating technology. Automatic control to realize unattended, safe and stable working. Safety interlock protection for oil pump, vacuum pump, heater,keep safely working Low noise, easy operation, long maintenance interval, low energy consumption, low operating cost It can be used together with the insulation oil regeneration device, which has the effect of decoloring, deacidification, deoxidation and removing free carbon and other harmful substances from the oil. Technical Parameters: Index Unit ZYD-30 ZYD-50 ZYD-100 ZYD-150 ZYD-200 ZYD-250 ZYD-300 Flow Rate L/H 1800 3000 6000 9000 12000 15000 18000 Working VacuumMPa -0.08-0.099 Working Pressure MPa 0.4 Working Temperature 20 80 Power Supply 380V 50HZ,3Ph (or According to user demand) Working Noise dB(A) 65 85 Heating Power Kw 24 30 60 90 120 150 180 Total Power Kw 27.5 35 65 96.5 128 162 185 Inlet / Outlet mm 25 32 40 50 50 65 65 Weight kgs 550 650 880 1000 1250 1550 1800 Dimension L mm 1500 1550 1650 1800 2000 2150 2400 W mm 1450 1450 1550 1650 1750 1750 1800 H mm 1700 1750 1800 1900 2100 2200 2200 After Purification Breakdown Voltage KV 70 Water Content ppm 3 Gas Content % 0.1 Particles m 1

Relative Models VFD-A Double-Stage High-Efficiency Vacuum Insulation Oil Automation Purifier VFD-A Double-Stage High-Efficiency Vacuum Insulation Oil Regeneration Purifier VFD-A Double-Stage High-Efficiency Vacuum Insulation Oil Purifier with Tester Application VFD series is mainly used to improve the properties of insulation oil. It can remove trace water, gas, particulate matters etc. from the insulating oil effectively and rapidly so as to boost performance of transformers, circuit breakers, mutual inductors, cable and capacitors which has insulation system. VFD series specialize in purifying branded oil, insulating oil of high voltage and super high voltage transformer. Additionally, it is suitable for treating low viscosity lubrication oil. Description VFD series utilizes coacervation technology, coalescing technology, separating technology and refined purification technology. Comparing to Model VF series, it add ROOTS vacuum system, second stage of separating system to improve the effect of purification. To remove free, soluble water, carbon, free and dissolved gases and particulate matters from insulating oil effectively and rapidly. Features 1. Effective and efficient Dehydration (Degassing) System 2. High precision Filtering System 3. Powerful double stages vacuum system 4. Electrical apparatus controlling System 5. High quality components 6. Diverse design in the structures and functions. The machine is available in mobile or stationary options. Various sizes and configurations (alloy shield) available. Available Style 1. Fixing type, mobile type with four wheels and mobile type with trailer 2. Normal appearance type, shelf-covering type and explosion-proof type 3. Available in deferent color.

SVP vacuum Insulating Oil Purifier is used to degassing, dehydration, filtration and recover dielectric strength of insulating oil, its design maximizes contamination removal by adopting heating, vacuum processing, filtering and increase surface area. SVP vacuum Insulating Oil Purifier features a single vacuum pump with 0.5 mbar, horizontal vacuum vessel and particulate removal down to one micron. We have mastered economy with quality components, which ensure that performance of Insulating Oil Purifier is maximized and within budget. Features: 1.Standard machine is available in stationary, movable or mobile design 2.SVP Insulating Oil Purifier utilize unique degassing and dewatering structure, makes insulating oil fully exposed to achieve the best dehydration and degasification performance. 3. One pass purification, the water content 10 ppm, gas content 0.5 %. 4. SVP Insulating Oil Purifier can achieve automatic operation, light weight and compact structure.

Main Technical Parameters: Index name Unit ZY-10 ZY-20 ZY-30 ZY-50 ZY-100 ZY-150 ZY-200 ZY-300 Flow rate L/H 600 1200 1800 3000 6000 9000 12000 18000 Working vacuum MPa -0.06 - -0.095 Working pressure MPa < 0.4 Temperature range C 20 -80 Dielectric strength KV > 65 Water Content ppm < 5 Gas content % < 0.1 Particles size mm < 3 Power supplier 380v 50Hz,3Ph (As per user's option) Working noise dB(A) í_ 65-85 Heating power Kw 15 15 15 30 48 60 72 90 Total power Kw 16.5 16.5 16.5 33.5 53 65 76 98.

Application: ZY Series is specifically designed for purifying insulating oil, such as transformer oil, mutual inductor oil and circuit breaker oil etc. It is widely applied in power station, transformer substation, railway, petroleum, chemical and metallurgy. Also it is the best choice of filling oil into power equipment and drying moistened power equipment. Features: Ideal for insulating oil clean up and transfer Eight models are available to accommodate various flow rates Continuously removes free water down to 5 ppm or less Fluid cleanliness grade (NAS) to 6 or better Dual water and particulate removal Improve oil dielectric values Advanced demulsification technology Coalescence-separation technology Duplex 3D evaporation technology Double-infrared fluid level controller A trinity of interlocked preventive device Carbon fiber infrared heating system Automatic back-flushing system. Unique H.P.M high molecule absorption material Explosion-proof type available Live-line operation feasible Advantage:. This model is tailored according to the nature of insulating oils, so it can effectively remove liquid, solid and gas impurities from used oil, expanding the service life of oil and the operating efficiency of machinery. The recycling process also enhances oil quality and restores oil viscosity.

Double stage vacuum Transformer oil Purifier for Series ZYD Transformer Oil Filtration Machine Dielectric Oil Purifier Application: It is mainly used for purifying the insulating oil, transformer oil, mutual oil, switch oil, dielectric oil and so on.It can quickly remove water, trace water, gas, particles as well as acetylene, hydrogen, methane and other harmful ingredients from oil.It adopts the double stages vacuum system, which can improve the machines working vacuum value highly, Series ZYD effectively improve oil's dielectric strength, effectively to make sure electric equipments working safely and normally. Series ZYD oil purifier is particularly suitable for treating high-grade transformer oil, supper-voltage transformer oil and new transformer oil. It can be used for more than 110V substation live line work on site. Meanwhile, Series ZYD oil purifier can be used as independent vacuum source with functions of vacuum drying and vacuum oiling. Feature: 1.Double-stage High Vacuum dehydration and degassing and removing impurities from the used transformer oil. 2.Eliminate acidity, sludge, free carbon, discoloration elements, and other soluble matters in the oil, which decays the transformer. 3.It can vacuum filling oil to transformers, and it can vacuum dry transformers and on-line operation with transformer. 4.The standard ZYD system is designed for purifying and filtering oils in workshops, in storage tanks or directly in transformers (energized or de-energized transformers). The oil technical data after treatment: 1.Gas content is less than 0.1% 2.Impurity size is less than 1μm without free carbon 3.Water content is less than 3 part per million 3.Oil dielectric strength (breakdown voltage) is more than 75KV 4.Acidity value is less than 0.01 mg KOH/g 5.Dielectric loss factors at 90C is less than 0.001

Wooden case

The ZYD Series Transformer Oil Purification/ Regeneration machine is mainly used to improve the properties of insulation oil. It can remove trace dust, water, gas, particulate matters etc. From the insulating oil effectively and rapidly so as to boost performance of transformers, circuit breakers, mutual inductors, cable and capacitors which have insulation system. ZYD Series specialize in purifying transformer oil, insulating oil of high voltage and super high voltage transformer. Additionally, it is also suitable for treating low viscosity lubrication oil. Edges of ZYD Series To remove free, soluble water, carbon, free and dissolved gases and particulate matters, dust from insulating oil, transformer oil, dielectric oil, cable oil effectively and rapidly. With Vacuum pump and Roots pump. Enhance the value of breakdown voltage greatly. Easy handling and maintenance. Inject oil into the transformers. Lower maintenance and replacement expenses. Automatic reverse-washing system will extend the lifetime of filters and improve the performance of the filters. High performance security system including pressure protection device and automatic temperature controller makes purifier operate safely. Utilizes coacervation technology, coalescing technology, separating technology and refined purification technology. To remove free, soluble water, carbon, free and dissolved gases and particulate matters from insulating oil effectively and rapidly. Structure Dehydration (Degas) System 1, The vacuum chamber has flash tower, which can evaporate the water efficiently. Also it has the spraying nozzle with degassing elements design. The heater, being placed on the vacuum vessel, becomes an evaporator. Thus the flash tower of vacuum vessel is three times more than that of the general vacuum vessel. This innovation can dehydrate and degas effectively and efficiently. 2, The optimal structure of the dehydration (degas) system enlarges the surface area of oil exposed to the vacuum system and extends the flowing distance of the oil in the vacuum system. Thus there has sufficient time to remove the moisture and gas from the oil by vaporization. ¡ô Filtering System (particulate matter removal) 1, The filtering materials with variable apertures are made of specialized glass fiber or stainless steel optionally. The sizes of the filtering fiber and aperture dwindle gradually in the different filtering stages. The impurities with different particulate sizes are filtered step by step. The capability of removing particulate matters and impurities is improved greatly by this method. 2, The filtering system has stable and prefect filtering fineness. The filtering fineness has several grades, including 0.5, 1, 2, 3, 5, 6, 10 Micron etc. Oil ¦Â>=1000 after filter. 3, The filtering system is equipped with reverse rinse and filth device. It improves the effectiveness of filtering and extends the lifetime of filter awfully. Oil heating System 1, The unique heater structure heats the oil uniformly. 2, Oil Heater System assures less then 1.0 w/cm2. During the heating process, the deterioration of the oil caused by overheating is avoided. 3, The oil temperature can be adjusted between 20C to 80C. The heater is controlled manually or automatically. The heater will stop automatically when the oil temperature reaches a certain degree. 4, Being installed with safety protection devices, the heating system is secure and reliable. The heater will stop operation automatically when the oil volume of inlet is too low to avoid the damages of the heater. Electrical Apparatus Controlling System 1, The main components of the electrical apparatus made by Schneider, Siemens and so on ensure the safety of the controlling system. 2, Having several protection systems which will avoid oil ejection, overload and over voltage etc. Oil-level Controlling System 1, The oil-level floating ball or infrared liquid level automatic controller system are installed in the vacuum vessel to control the oil level so as to avoid the oil being suctioned into vacuum pump in the operation. 2, The new innovation of eliminating froth can avoid the oil being suctioned into vacuum pump. High quality components The main components parts of Tongrui products such as vacuum pump, Roots pump, oil pump and electric apparatus are from SIEMENS, LEYBOLD, OMRON, SCHNEIDER, HYDAC, TOP, AMICO etc. It ensures oil filtration systems products high quality and reliability. Vacuum Pump Rotary Vane Vacuum Pumps, is a basic equipment used for pumping air from sealed vessels to attain vacuum condition. The vacuum pumps may be applied singly, or as the backing pump of the other kinds of pumps, such as booster pump, diffusion pump, molecular pump and titanium pump etc. it may be used for vacuum film-plationg, vacuum heat treatment, vacuum ca-sting and also air-extraction of electric tubes, bulbs and thermos flaks. The pump may also be equipped in medical institutions and laboratory. Capacity:3740L/Min Ultimate pressure:less than 6*10-2Pa Rotary speed of pump:450 R/Min Motor Power: 3Kw Cooling mode: water cooling, >1L/min Roots Pump Roots pumps can be used as boosters combined with backing pump. Of a rotary vane vacuum pump,or a liquid ring vacuum pump. But they can not be used to exhaust No Water-cooking silent running due to specially selected gears Overflow valve which permits the pump to be swiched on at atmospheric pressure and gives shorter evacuation times Standardized ISO connections Smooth running due to dynamically balanced rotor Low operating costs with high pumping speed in the medium-high vacuun range No friction of moving parts in the compression chamber due to even gaps between rotors and housing walls. Capacity:1250m3/h Ultimate pressure: 5*10-2Pa Rotary speed of pump: 2890r/min Motor Power: 4Kw Cooling mode: water cooling, >2L/min Instrumentation options Foam Level Detector When there is foam in the tank and foam reaches a certain level (resetable), a signal will be sent to the magnetic valve, the magnetic valve will automatically shut on. The foam will be removed quickly. After removing foam, the magnetic valve will shut off. Unit Type: set Package Weight: 40.0kg (88.185lb.) Package Size: 60cm x 25cm x 65cm (23.62in x 9.84in x 25.59in)

Series ZYD Double-Stage Vacuum Transformer Oil Purification Systems is used for transformer oil dehydration and transformer oil degasification as well as other electrical insulating liquids such as silicone fluids. The ZYD Process is able to increase and maintain the oil's dielectric strength and includes the removal of free and soluble water, free and dissolved air and gases and other particulate matter. The standard ZYD system is designed for processing oils in workshops, in storage tanks or directly in transformers (energized or de-energized transformers). Series ZYD oil purifier can be used as an independent vacuum source with functions of vacuum drying and vacuum oiling. Feature 1. ZYD can evacuate the vacuum for the electric equipments separately, such as the transformer. Also it can be used to dry the electric equipment and input the oil into the electric equipment under the vacuum state. 2. This machine have two vacuum pumps (one is the vacuum pump, other one is the roots pump), which can improve the working value highly. Making sure the water-content of the treated oil is less than 3 ppm. 3. The machine adopts the double-infrared liquid automatic controller, pressure automatic-protector which can make sure the machine works online for 150 hours continuously without person. So it is a reliable and high automatically machine. 4. Besides the common vacuum oil purifiers function of dewatering, degassing, and removing the impurity, this machine can regenerate the seriously bad oil by separating the electric-polarity materials, such as deeply oxides and free carbon from the oil effectively. The treated oil can reach the specifications of the new oil, such as the oil dielectric strength, flash point, acid value and oxidation resisting etc. 5 Multi-stage precision filtration system, mesh filtration combined with molecular adsorption technologies 6. Efficient electric heating system, heating uniformity, less power consumption, safe, and reliable. 7. Adopt interlocked protective system, which connect 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. 8. Functions of live line work onsite, vacuum drying and vacuum oiling. Advantages: Comparing with single stage transformer oil purifier, Series ZYD oil purifier can increase the effectiveness more than three times, more quickly and completely dewater, degas, remove particles to get higher dielectric strength. This equipment can be used as independent vacuum source with the functions of vacuum drying and vacuum oiling for the electric plants.

Utilized the domestic and foreign technique and innovatively designed,the filter has aga good ratio of price performance.With the adbantages of high working vacuum, high filtration speed, oil quality protection,the filter advanced the oil treatment technique and equipment performance and once can taise the puncture voltage up to over 35v. The series products can be installed by sealed regular or moveable with a trailer,so it is suitable to treat oil,fill oil in vacuum chamber and circulating dry hot oil when latfe transfotmer is being installed overhauled.Moreover,we can also provide customers with three-stage high-vacuum oil-filter so as to get higher vacuum and to meet your higher requirment gor oil treatment. This series have one pot with two stage vacuum segregating space,it come into being different pressure so as to keep oil line balance between two stages. The pump of thie product is adopted vacuum imported from Europe,which have preceding level in the world,and with high air pump speed so as to get high working cacuity. Features of product 1.This series have one pot with two-stage vacuum-segregating space, it come into being different pressure so as to keep oil line balance between two stages. 2. The pump of this product is adopted vacuum-pump imported from Europe, which have preceding level in the world, and with high air pump speed so as to get high working vacuity. 3.As the new technology, vacuum-segregating (Patent No. ZL200420061085.6) employs particular spinning disk and stainless steel machine with dehydration and air pump so that enlarge the area of segregating and coming to three-dimensional evaporation. 4.Using new type of heating equipment (Patent No. ZL02276238.8), it can reduce heating burthen and extend oil life. 5. Oil level control adopt photoelectric way which the main components is imported from Switzerland and have features of sensitive control, exactitude so much as feel the spume of oil, mount the equipment to prevent superhigh and superlow oil level. Spurting oil phenomena is never appeared. (Spurting prevention Patent No. ZL200420060973.6) 6. As the clientí»s requirement, they could choose equipment which their components were all or partly imported from overseas. Include touching screen and flow gauge is can be selected according to customers. This series could meet different kinds of customerí»s need. 7.It equips filter assemblies imported from U.S.A. and it has large filtering area, strongly absorbent-dirt capability, high filtering precision. veneer case

Application: The machine can remove the water, gas and impurities in insulation oil high-efficiently, increasing the pressure force and quality of oil, make sure the electric device running safely. The machine is mainly used for electric power department and industries to deal with various oils such as transformer oil, mutual oil, switch oil, dielectric oil and so on. The machine is especially for purifying the insulation oil in all kinds of large power equipments that are above 110kv. Feature: 1. This machine is high effective and portable, which is very suit to operate on line. Also it can be used to dry the electric equipment and input the oil into the electric equipment under the vacuum state. 2.The machine adopts the double-infrared liquid automatic controller, sensitive automatic pressure protector and the high effective equipment for degas, so it is easy to operate. 3. High vacuum limiting vacuum less than 5pa, working vacuum less than 35pa. 4. High absorption speed, absorption speed power more than 333l/sr. 5. Duplex 3d stereo-evaporation technology, eliminating the liquid water very effectively. 6. UK g technology by which the trace water that is show chain, such as dissolved water, can be removed effect. 7. Distinctive removing impurities technology filtering through double fh trapezoidal network and absorbing by high polymer without the mechanical power. 8. Carbon fiber infrared heating system that can make the oil contains zero sum of ethyne after treatment. 9. The oil of any grades can be treated on line at the working site. Advantage: Comparing with the single-stage vacuum oil purifier, this machine dewaters, degases and removes impurities more quickly, more completely and make the oils limiting voltage-withstand value much higher. As the bridge-type vacuum linking system that can filter and be an independent vacuum power supply, this machine can be vacuum treating the electric insulating devices. Wooden case

Description: Condition: New Structure: Vacuum Place of Origin: Chongqing, China (Mainland) Brand Name: TOP Model Number: ZYD Weight: 600-2200kg Certification: CE; ISO Warranty: 2 years After-sales Service Provided: Engineers available to service machinery overseas Type: Double-Stage Vacuum Transformer Oil Purifier Color: As required Function: Dehydration, degasification Working vacuum: -0.08 -0.099MPa Working pressure:/=75kV Moisture content:

Description: Condition: New Structure: Vacuum Place of Origin: Chongqing, China (Mainland) Brand Name: TOP Model Number: ZYD Weight: 600-2200kg Certification: CE; ISO Warranty: 2 years After-sales Service Provided: Engineers available to service machinery overseas Type: Double-Stage Vacuum Transformer Oil Purifier Color: As required Function: Dehydration, degasification Working vacuum: -0.08 -0.099MPa Working pressure:/=75kV Moisture content:

Description: Condition: New Structure: Vacuum Place of Origin: Chongqing, China (Mainland) Brand Name: TOP Model Number: ZYD Weight: 600-2200kg Certification: CE; ISO Warranty: 2 years After-sales Service Provided: Engineers available to service machinery overseas Type: Double-Stage Vacuum Transformer Oil Purifier Color: As required Function: Dehydration, degasification Working vacuum: -0.08 -0.099MPa Working pressure:/=75kV Moisture content:

Application VFD-R series is adapt to regenerate and activate the deteriorated transformer oil. It is capable of removing the moisture, gas and mechanical impurities as well as eliminating organic acid, sludges, pitches and dissociated carbon in the deteriorated transformer oil which are difficult to be removed by conventional oil purifier plants. After the treatment, the regenerated oil can met the required standard and life span of new insulation oil. Description 1. VFD-R regeneration units adopt both physical and chemical methods. They can not only regenerate the aging transformer oil, switch oil but remove the acid, suspending materials and contaminates. 2. VFD-R regeneration units adopt special adsorbent. They can be normally run without switching off the power and changing the oil of transformer. 3. After the treatment, the transformer oil will maintain basic ingredients and anti-oxidation capacity to meet the standard of new transformer oil. Meanwhile, the CFD-R regeneration units can keep the power equipments insulating and safe by consuming only 90% maintenance cost. Technical specification After the treatment, performance of transformer oil can achieve the below specification: Breakdown voltage í¦ 75KV Flash point(close) í¦ 140íµ Soluble acid PH value =5~7 Dielectric loss tangent tg(90íµ)% í_ 0.002 Acid value í_ 0.01mgK0H/g Power: 380V/50Hz

Double Stage Vacuum Transformer Oil Purifier, Mineral Dielectric Oil Purification Plant Application: This machine is applied to treat various of unqualified insulation oils including aging transformer oil specially for the power which is above 110KV, mutual inductor oil, switch oil and so on. Also it can inject the insulating oil into the transformers on-line. Regenerate the seriously deteriorated oil by removing the polarity materials. series double-stage vacuum transformer oil purifier adopts a creative advanced technology. The machine is widely used for industries of power plant, power station, electricity company, transformer factory, metallurgy, petrochemical, mechanical engineering, transportation, railway and transformers manufacturing etc Features: 1. PH 5.5 2. Acid 0.03mgkoH/g 3. Flash point 145 4. Dielectric strength 75KV 5. Dielectric loss: tg´(90)% 0.001 6. High vacuum: High point-Vacuum 5pa Working-vacuum 35pa 7. High absorption speed: Absorption speed power 333L/Sr. 8. Duplex 3D stereo-evaporation, eliminating the liquid water quickly 9. UK G technology by which the trace water that is show chain, such as dissolved water, can be removed effectively. 10. Distinctive removing impurities system filtering through double FH trapezoidal network and absorbing by high polymer without the mechanical power 11. Carbon fiber infrared heating system that can make the oil contains zero sum of ethyne after the treatment 12. Specially applied to vacuum oiling and drying for power transmission equipments that are over 110KV 13. The oil of any grades can be treated on line at the working site

ZLA series double stage vacuum oil purifier is manufactured according to standards, which go beyond Chinese legal criterion, dealing with almost insulation oil of power equipment more rapidly and effectively with the supporting of high vacuum and speed absorption. Thus the strength of insulation oil is much increased and shorten the dealing time. Features 1) Manufactured as per standards which go beyond the legal criterion.A primary breakdown voltage can raise 35KV and reduces the oil damage causing by normal purifiers due to repeated heating. 2) Large absorption speed double vacuum meets the needs of vacuum zing of transformer on an installation or repair site, at the same time remove the water,gas,and also keep the completeness of transformer oil.It significantly shortens the oil treatment time. 3) The unique gas, water removal system adopting stereo-evaporation technology, which rapidly separates the water and gas in the oil and is free of maintenance. 4) A superior purification system with top quality filter core, which can accommodate large quantity of impurities and is progressively dandified step by step. It has been got a high precision and multi-stage filtration. 5) Imported parts adopt all electric system, which ensures high performance. 6) Advanced infrared liquid level control system with automatic control, allowing separated operation of manual operators from a machine. 7) Interlocked safety protection device. i.e,backflow of A oil outlet over pressure can be achieved via an overflow valve, B oil inlet will interlock with heating system which avoids any possible negative impacts caused by mal-operation 8) Precision oil pumps have low noise and environmental regulatory compliance will be well met . Technical Parameters Model Unit ZLA-30 ZLA-50 ZLA-70 ZLA-100 ZLA-150 ZLA-200 ZLA-250 Rated flow L/min 30 50 70 100 150 200 250 Vacuum Range Mpa -0.05~-0.099 Temperature Range 40~80 Oil pump pressure Mpa 0.05~0.3 Total Power kw 38 46 62 90 120 144 175 Power 50HZ 380V Working Noise db(A) 65 85 Cleanliness NAS1638 NAS 6 Breakdown Voltage kv 75 Water content PPM 3 Gas content in oil % 0.05 Filter precision µm 3 Inlet (outlet) diameter 25 32 32 42 50 60 60 Dimensionï mmï L 1480 1670 1820 2000 2100 2300 2300 W 980 1150 1300 1500 1600 1800 1800 H 950 1000 1200 1300 1600 1600 1600 Dimension and weight will be changed with changing the technical specification.