GCD-136X|GCD Series|Oil Rotary Vacuum Pump|Rough&Middle Vacuum Pump|Products|ULVAC SHOWCASE

Oil Rotary Vacuum Pump

GCD Series

GCD-136X

アルバック

Chemical type / 2-stage evacuation system / with reverse flow prevention mechanism / with gas ballast mechanism / with thermal protector / with power supply cord with plug / with switch

Features

  • Chemical type of Oil rotary pump with surface treatment on the gas contact surface.
  • Connectable to oil filtration system.
  • Low noise and low vibration.
  • The backflow prevention mechanism prevents oil from flowing back to the vacuum chamber when it is stopped due to a power failure.
  • The exhaust speed is stable due to the installation of the forced oil supply mechanism.
  • Operation from atmospheric pressure is possible.
  • Easy connection with flanged parts and connection by knock pins on internal parts.

Specification

 
Unit
50Hz 60Hz
Actual pumping speed
L/min
135 162
Ultimate pressure※1
G.V.Closed
Pa
0.67
G.V.Open
6.7
Motor
 
Single phase, 100V, 400W, 4P, Capacitor start/run
Full load current
A
7.7 6.1
Oil capacity
mL
1,000
Recommended oil
SO-M
Weight
kg
25.4
Inlet port diameter
mm
KF-25
Ambient temperature
7~40
External dimensions
mm
170(W)×493(L)×241.1(H)
※1:Ultimate pressure is measured by Pirani gauge.(In the case of measurement by McLeod gauge, the value is lower by an order of magnitude for pumps with an Ultimate pressure of 1.3 Pa or less.)

Corresponding certificate/Voltage

Model Applicable standard CE
Declartion of confirmity

100V

115V

200V

220V

230V

200V
GCD-136X  ○*  ○*

●:Standard、○:Option、-:Not Applicable
* Purchase lot conditions (Please contact us for the number)
Please consult with us regarding the safety expansion motor.

Caution

Oil is deteriorated with operating, and becomes the factor of performance shortage.
A decrease and the dirt of oil are confirmed, and please regularly add and replace it.
A backflow preventer is incorporated into the pump to prevent the oil from flowing back while the pump is stopped.
Please make a suction side into atmospheric pressure when the pump is stopped for a long time.
If operation is performed at high pressure, oil mist is generated at the exhaust side.
We will recommend the use of the oil mist separator for the oil mist splash prevention.
The influence might go out to the pump life according to the characteristic and the amount of the evacuated gas.
Especially, longevity is remarkably shortened, and corrosion resistance might not be able to be demonstrated about ammonia and sulfuric acid.
It is not suitable for the pump if operation is performed continuously at a high evacuation pressure of 1kPa or more.
There is a risk of explosion. Never block the outlet or operate the pump with equipment mounted at the outlet side that blocks the passage of gas.
Otherwise, the internal pump pressure increases causing the pump to explode, the oil level gauge to protrude or the motor to be overloaded.
Same parts of the pump are made by carbon.
Oil becomes black with wear-out powder of carbon parts, when operation is doing. But it doesn’t affect the performance and service life of the pump.
Fluoride rubber material is used for the internal parts of a pump. There are some for which the chemical resistance of Fluoride rubber materialis not suitable. Especially, be careful of the following chemical.
Ammonia, Acetone, Ethylene oxide, Ethylene diamine, Zinc acetate, Amyl acetate, Aluminum acetate, Isopropyl acetate, Ethyl acetate, Lead acetate, Calcium acetate, Cellosolve Acetate, Nickel acetate, Butyl acetate, Propyl acetate, Methyl acetate, Nitroethane, Nitropropane, Nitromethane, Freon.

Dimension drawing

zu_gcd136xe.gif

Pumping Speed Curves

curve_gcd136x.gif

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