vDDT series Transformer – Vacuum Casting / Impregnation Equipment is used in the vacuum casting and pressure impregnation production of dry-type transformer, it can be customized according to the capacity, material formulation and progress, extreme satisfy the customer’s personalized requirement, achieve automation and intelligent production.
Technical Specifications
Average daily mixing volume | According to customer requirements |
Resin hardener packaging specifications | 18/200/1000L |
Effective Capacity of filler drying tank | 300/600/1000/2000L |
Effective Capacity of material preparation tank | 100/150/200/300/500/800L |
Casting speed | 1-15Kg/min |
Number of injection valves | 1-18 |
Pressurization pressure of casting chamber | 6barNegative pressure/Atmospheric pressure/Maximum Positive pressure of 6 bar |
Material loading method | Double working station loading for resin and hardener, dust-free feeding of filler from ton bags after unpacking |
Measuring method | Vertical servo dosing pump |
Dimensions of round tank | Chamber inner diameter 3000mm X Barrel length 3500mm/Chamber inner diameter 3500mm X Barrel length 4000mm |
Material preparation | Dosing automatically, umbrella thin-film degassing; online ingredients |
Cleaning device | Cleaning and scour by single component of resin/Hot press compressed air cleaning |

vDDT Series Transformer Vacuum Casting / Impregnation Equipment, automatic loading and formulation, adopts servo driven which is controlled by servo axis control system. Metal static mixing is casting the material into each coil directly according to the ratio. The casting tank with pressure designed, pressure impregnation after casting, product continually, improves product quality and production efficiency.
Process Flow ● Material loading ● A/B formulation ● Degassing & Impregnation ● Vacuum Storage ● Metering & Transportation ● Static mixing ● Vacuum casting ● Pressure impregnation | Process Control ● Electric control ● Weighing system ● Metering system ● Vacuum system ● Heating & Cooling system ● Cleaning system | Characteristic ● Dust-proof ● Supply material and product continually ● Degas efficiently and energy saving ● Precise formulation ● Fresh casting compound ● Vacuum casting and pressure impregnation ● Formulate process parameters ● Intelligent control | Options ● Formulation monitor online ● Connect to MES system |
vDDT series Transformer – Vacuum Casting / Impregnation Equipment is used in the vacuum casting and pressure impregnation production of CT/PT, dry-type transformer and medium/high voltage insulators.


