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  •  SIHI Water Ring Vacuum Pump (Pressure Range: 33 to 1013 mbar, Suction Volume Flow: 100 to 280 m³/h)

SIHI Water Ring Vacuum Pump (Pressure Range: 33 to 1013 mbar, Suction Volume Flow: 100 to 280 m³/h)

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  • RS.90,000

  • CONSTRUCTION:SIHI liquid ring vacuum pumps are displacement pumps of uncomplicated and robust construction with the following particular features: Non-polluting due to nearly isothermal compression oil-free, as no lubrication in the working chamb...

CONSTRUCTION:

SIHI liquid ring vacuum pumps are displacement pumps of uncomplicated and robust construction with the following particular features:

Non-polluting due to nearly isothermal compression oil-free, as no lubrication in the working chamber handling of nearly all gases and vapours small quantities of entrained liquid can be handled easy maintenance and reliable operation low noise and nearly free from vibration wide choice of material, therefore applicable nearly everywhere shaft not contact with the medium protection against cavitation as standard incorporated dirt drain incorporated central drain no metallic contact of the rotating parts The SIHI liquid ring vacuum pumps LEM/LEL are single-stage ones. 

APPLICATION:
Handling and exhausting of dry and humid gases; entrained liquid can be handled during normal duty. The pumps are applied in all fields where a pressure of 33 to 900 mbar must be created by robust vacuum pumps.

NOTE:
During operation the pump must continuously be supplied with service liquid, normally water, in order to eliminate the heat resulting from the gas compression and to replenish the liquid ring, because part of the liquid is leaving the pump together with the gas. This liquid can be separated from the gas in a liquid separator. It is possible to reuse the service liquid. The pumps are equipped with a device by which the contaminated service liquid can continuously be drained during operation (dirt drain), if necessary. The direction of rotation is clockwise, when looking from the drive on the pump. 

Pressure range: 33 to 1013 mbar
Suction volume flow: 100 to 280 m³/h

GENERAL TECHNICAL DATA 
Pump type
Unit
LEM 250
Speed
rpm 
1450 50 Hz  1750 (60 Hz)
Maximum overpressure on compression
bar
 0.3
Permissible pressure difference between suction and discharge side 
bar
1.1 (Max)  0.2 (Min)
Hydraulic test pressure (overpressure)
bar

Moment of inertia of rotating parts of pump and water content 
kg . m² 
0.097 
Noise level at 80 mbar suction pressure 
dB (A) 
65
Maximum gas temperature
°C 
200(dry) 100dry (Saturated) 

Service liquid
Maximum permissible temperature
Minimum permissible temperature
Maximum viscosity 
Maximum density  
Liquid capacity up to middle of shaft 

°C 
mm²/s 
kg/m³ l
Litre 
80
10
 4
1200°
4
Maximum flow resistance of the heat exchanger
bar0.2

Shaft seal: Mechanical seal, magnetic coupling
Materials: Grey cast iron, stainless steel


Download Product Catalogue - LEM 250

Pump
Power (HP) 7.5

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