Oil-Sealed Plunger Pumps And Pumping Sets | Pumps Catalog
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Oil-Sealed Plunger Pumps And Pumping Sets

Designed for evacuation of air, non-corrosive gases, vapours and vapour-and-gas mixtures (pre-cleared from condensed moisture and mechanical impurities) out of the closed hermetically sealed containers or systems in the stationary plants located indoors (to develop medium and high vacuum).
Suitable also as backing pumps to create forevacuum for high vacuum plants.
Used for extracting pure materials, obtaining thin films and coats, high quality welded and brazed/soldered joints, for production of electronic devices (tubes), microbiological agents and medicines.
V-belt driven single stage (or two stage in case of AVZ-20D, AVZ-63D, AVZ-125D) slide-valve controlled oil-sealed rotary plunger vacuum pumping units cooled by water (except for air-cooled AVZ-20D).


Oil-Sealed Plunger Pump AVZ


NVZ

Pump
make

Pumping speed,
l/s, not less

Ultimate residual pressure (total), MPa, not more

Power of
motor, kW

Oil-Sealed Plunger Pump AVZ-20D

20

1.1 10-6

2.2

Oil-Sealed Plunger Pump AVZ-63D

63

0.67 10-6

7.5

Oil-Sealed Plunger Pump AVZ-90

90

6.7 10-6

11

Oil-Sealed Plunger Pump AVZ-125D

125

0.67 10-6

15

Oil-Sealed Plunger Pump AVZ-180

180

6.7 10-6

15

Oil-Sealed Plunger Pump NVZ-300

380

6.7 10-6

37

Oil-Sealed Plunger Pump NVZ-500

560

6.7 10-6

55

Used for drying electrical engineering products, in the production of building materials, in drying and evaporation systems (for the production of foodstuffs).
Pumps marked with letter T are specifically designed for evacuation of air, steam and vapours of transformer oil, their mixtures from hermetically sealed vessels during the heat treatment under vacuum of products and materials in the production of transformers.
The AVPl-30-1 pumping sets are used for developing vacuum in the milking plants.
The pump sets are not applicable for the evacuation of explosive and toxic fluids, fluids that react with lubricating oils and corrode ferrous metals as well as for pumping-over a fluid from one vessel into another.
V-belt driven single stage oil-sealed rotary plunger vacuum pumping units cooled by water (except for air-cooled AVPl-30).

Oil-Sealed Plunger Pump AVPI

Pump
make

Pumping speed,
l/s, not less

Ultimate residual pressure, Pa

Power of
motor, kW

Oil-Sealed Plunger Pump AVPl-30

25

670 10-6

3

Oil-Sealed Plunger Pump AVPl-30-1

25

670 10-6

3

Oil-Sealed Plunger Pump AVPl-90T

90

6.7 10-6

11

Oil-Sealed Plunger Pump AVPl-180T

180

6.7 10-6

15