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Direct Drive Oil-Sealed Rotary Vacuum Pumps GLD-040
Two-stage / with cord, plug, and switch

 
Features

Low ultimate pressure.
High performance type.
Features gasballast mechanism and bakflow prevention mechanism.
World wide voltages
CE marked

Specifications
  Unit 50Hz 60Hz
Actual Pumping Speed L/min. 40 48
Ultimate pressure Pa

6.7 x 10-2 (6.7 x 10-1) (G.V.closed)
6.7 (G.V.open)

Motor   Single phase, 200W, 4 poles, Multiple-range motor
Capacitor start & run, AC 100-120, 200-240V
Full load current A 4.20 (100V), 4.40 (110V),
4.60 (115V), 5.05 (120V)
2.10 (200V), 2.20 (220V),
2.30 (230V), 2.60(240V)
3.60 (100V), 3.40 (110V),
3.40 (115V), 3.60 (120V)
1.80 (200V), 1.70 (220V),
1.70 (230V), 1.80(240V)
Oil capacity mL 550 – 800
Recommended oil   R-2
Weight kg ac. 16
Inlet port diameter mm KF-25
Ambient operation temp.range °C 7 – 40
Dimensions W x L x H
(mm)
150 x 427 x 228.5
*Ultimate pressure is measured with Macleod gauge. In ( ) shows the measurements with Pirani gauge.

Caution
GLD Series, compared with G Series, is markedly upgraded. For the sake of having the maximum performance, in addition to notes for G series, be careful of also the followings.
1. GLD series is capable of reaching to a high vacuum area (10-2 Pa). Flanges, vessels usable at a high vacuum are required.
2. An oil-sealed rotary pump is not recommended for continuous operation near atmospheric pressure.

Outline drawing


Pumping Speed Curves


Option
Optional suction port
Size
Note
KF-25 suction port KF-25 X (40X40)
Attached to standard type
Suction pipe for hose Dia.8
Option. 40X40adapter is needed, use the suction pipe /40X40 adapter
Suction pipe for hose Dia.12
Option. 40X40adapter is needed, use the suction pipe /40X40 adapter
Suction pipe for hose Dia.15
Option. 40X40adapter is needed, use the suction pipe /40X40 adapter
Suction pipe for hose Dia.18
Option. 40X40adapter is needed, use the suction pipe /40X40 adapter
Suction pipe for hose Dia.22
Option. 40X40adapter is needed, use the suction pipe /40X40 adapter
Suction pipe for hose Dia.27 Option
A type suction pipe PT1/4-L20,male
Option. 40X40adapter is needed, use the suction pipe /40X40 adapter
B type suction pipe PT1/4-L20,female
Option. 40X40adapter is needed, use the suction pipe /40X40 adapter
C type suction pipe PT1/4-L10,male
Option. 40X40adapter is needed, use the suction pipe /40X40 adapter

Optional exhaust port
Size
Note
Exhaust port cap
-
Attached to standard type
Exhaust pipe for hose Dia.12 Option
Exhaust pipe for hose Dia.15 Option
Exhaust pipe for hose Dia.18 Option
KF-16 exhaust port KF-16 Option
KF-25 exhaust port KF-25 Option

Trap for exhaust side
Model
Note
Oil-mist trap OMT-050A Option
Oil-mist trap OMT-100A
G3/4-G1 adapter is needed, use OMT-100A / adapter
In-line type oil-mist trap OMI-100
G3/4-G1 adapter is needed, use OMI-100 / adapter

Trap for suction side
Model
Note
For-line trap OFI-050C
Prevent counter flow of oil diffusion into vacuum chamber, Need KF-25 clamp for attaching
For-line trap OFI-050V
Prevent mixing powder or liquid into the pump, Need KF-25 clump for attaching

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Copyright (C)2003 ULVAC KIKO, Inc. All Right Reserved. Ver.3.00 (November 2006)