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 VACUUM PUMPS
VACUUM PUMPS of the הקמ (DVN) series are designed for pumping out air and gases non-aggressive to grey cast iron, structural steel and mineral oil, and explosion-proof in the flow passage and reduction gear. The pumps are to be used ONLY with a fore pump and are the second stage of rarefaction.
The vacuum pumps find wide application in the following technological processes:
- drying of transformers and other devices;
- impregnation of winding, cable, wood and other materials;
- distillation in the production of non-ferrous metals in metallurgy, and pure sub-stances in chemical and pharmaceutical industries;
- sublimation drying of products, bioactive preparations, vaccines;
- melting, casting, doping of metal alloys;
- sintering of fine-grained and powdery materials in metallurgy in agglomeration, coking process, in the production of refractory products.
Pump הקמ consists of a pump proper mounted onto the foundation frame and an electric motor attached to it with the help of a flexible pin coupling. Pump 2הקמ-500 (2DVN-500) is cooled by air, while pump 2הקמ-1500 (2DVN-1500) is cooled by water.
Parameter 2הקמ-500 (2DVN-500) 2הקמ-1500 (2DVN-1500)
Rate of operation, l/s, no less than 500 1500
Pressure, kPa 0.1 0.1
Maximum residual pressure, Pa 0.5 0.5
Power consumption, kW 2.5 5.5
Cooling water flow rate, l/h - 360
Mass, kg 560 840
Overall dimensions, mm 1340x600x850 1840x580x850
Designation of advisable fore pump* מקת-90 (NVZ-90) מקת-180 (NVZ-180)

 * - fore pumps are manufactured at "Nasosenergomash" plant in Sumy, Ukraine.



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