• GW-20

GW-20

Feature:
1.Suitable for vacuum extraction of moisture, vapors, condensable gases and particulates.
2.The compressed heat was absorbed by sealed fluid, equivalent to isothermal compressing, thus cause lower temperature of discharged gases and ensured high safety for explosible gases.
3.Due to no metal friction in internal, thus no lubricant is needed; totally pollution free and low maintenance cost.
4.An additional atmospheric device (air ejector) is installed at the intake port, the ultimate vacuum can reach to 6~2Torr; series connected with a mechanical booster pump can conserve energy and increase several times of pumping volume and ultimate vacuum.
5.A noise-free, gas liquid separator can be installed at the exhaust port.

●Specifications of Single stage model
Model Power
(HP)
Speed
r.p.m
Pumping speed
m³/min
Sucking inlet & outlet caliber
inch
Water-caliber
inch
water supply
L/min
Weight standard accessories
(Non-motor)
kg
Weight standard accessories
(With motor)
kg
GW-20 20 1750 -640mmHg (120 Torr) 6 2.5 3/4 45 182 322
-590mmHg (170 Torr) 7.5
-490mmHg (270 Torr) 8.2
-400mmHg (360 Torr) 8.3
‧Single stage model ideal operation range of 160~760 Torr.

●Performance testing conditions of Liquid Ring Vacuum Pumps as below:
‧Experimental conditions for gas discharging function listed on the catalogue include: inlet air temperature is 20℃, outlet pressure is 760 Torr, relative humidity is 75%, and sealing fluid temperature is 15℃. In case the actual sealing fluid temperature is higher or lower than 15℃, please modify it in accordance with Modification of Gas Discharging Function Table. Please avoid exceeding the red line zone to prevent from cavitation and noise.

●Standard Accessories
‧NM type coupling
‧Coupling cover
‧Inlet flange with SUS 304 filter screen (for GW-1H / GW-2H / GW-3H only)
‧Steel Base

●Optional Accessories
‧3-phase induction motor
‧Gas liquid separator
‧Air ejector
‧Vacuum valve
‧Safety relief valve
‧Vacuum gauge
‧Flow sensor
‧Plate Heat exchanger
‧Vacuum check valve (with SUS 304 filter screen)
‧Inlet flange with SUS 304 filter screen
‧Liquid-sealed circulating cooled system

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