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News


20.08.2019

The serial production of grade VVN2-50 pumps has been started

JSC “HMS Livgidromash” in order to meet the needs of consumers continues to expand the range of serially manufactured vacuum water ring pumps of type VVN - serial production of VVN2-50 pumps has been started.

Download pump VVN 2-50 leaflet >>

All VVN-series pumps >>

 

JSC “HMS Livgidromash” in order to meet the needs of consumers continues to expand the range of serially manufactured vacuum water ring pumps of type VVN - serial production of VVN2-50 pumps has been started.

Vacuum water ring pumps VVN2-50 and plants that are based on them are designed with the purpose of creating or maintaining a vacuum depending on the material of the flow part,  suction, inert or insoluble in water aggressive gases.

Pumps are general-purpose product, recoverable according to GOST 27.003. Pumps available in climatic class U or T for location category 2, 3.1 according to GOST 15150. Shaft sealing: packing gland.

The drive in the units is electric motors of general industrial design.

Application: 

chemical, mining,  metals, coal, food, pulp and paper industries, agriculture, construction and medicine.

 

Technical data: 

Parameter name

Value

Allowable deviations

Rated capacity reduced to initial conditions at rated suction pressure of 0.02 MPa (0.2 kg(f)/cm2) *, m3/s (m3/min)

0.833 (50)

± 10%

Gas inlet temperature rated/maximum, K (0C)

293 (20) / 323 (50)

 

Flow rate of water (liquid) taking into account the liquid coming with pumped gas*, dm3/s (m3/h), not more than

1.3 (5.0)

 

Rotation speed, c-1 (rpm)

10 (600)

±0.833 (±50)

Electric

Parameters

 

Current type

alternating

 

Voltage, V

380

 

Current frequency, Hz

50

 

Electric motor

 

Mounting type

IM1001

 

Power, kW

110

 

Voltage, V

380

 

* Values given to normal conditions: water (liquid) temperature 288 K (15 OC), gas temperature 293 K (20 °C), barometric pressure 0.1013 MPa.

 Note: the supplied water (liquid) pressure at the machine inlet must exceed the discharge pressure by not less than 0.03 MPa (0.3 kg(f)/cm2). Water used for pump should not contain suspended particles in the amount of more than 25 mg/l, water hardness is not higher than 3 mg eq. /l.

 

Pumps flow part material versions:

Pump Parts

Material

Pump Wheel

CH 20
GOST 1412

Side piece

Cylinder

Distribution plate

Steel 20 GOST 1050

Note: it is possible to manufacture the pump in a special material version with replacement of materials depending on the customer's requirements.



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