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2.General Description of the Pump

2.1 Principal Features

This oil rotary vacuum pump is a sliding vane type (so called Gaede type), with direct

driven motor. As it is a small sized, lightweight, and simple structure, it is easy

to maintain or over-haul.

Table-1 Specification

Model

GC-25Sa

GC-50Sa

Type

Sliding vane

1 stages

Sliding vane

1 stages

50Hz

Pumping speed

(L/min)

60Hz

Ultimate pressure

9.3

Motor

W,（Poles）

100（4）

200（4）

50Hz

3.7

5.6

Full load current

(A)

60Hz

3.0

4.8

50Hz

1,450

Motor revolution

(ｒ/min)

60Hz

1,740

Recommended

SMR-100

Pomp oil

Capacity

(mL)

230

360

Note 1. Ultimate pressure indication by Pirani gauge.

2. Vapor pressure, viscosity, or characteristics of vacuum pump oils are

different respectively. Our recommended oil is SMR-100.

Содержание GC-25Sa

Страница 1: ...s pump please read this manual carefully before operation After reading the manual keep it in your file for future reference Specifications in this manual are subject to change without notice due to f...

Страница 2: ...to make sure there are no damages To ensure a long life for this pump read this manual carefully prior to installation operation and maintenance Also pay attention to ascertain the details of safety s...

Страница 3: ...esent an immediate threat of death or serious injury Warning Indicates hazardous situations which may present a potential to death or serious injury Caution Indicates hazardous situations where a pote...

Страница 4: ...normal action and electric shock Switch off power before checking or repairing the pump to avoid any problems electric shock or personal injury caused by suddenly starting up Connect an electrical wir...

Страница 5: ...ects around the pump It may cause fires Also do not place obstacles around the pump so as to obstruct cooling air Abnormal temperature rising may cause burns or fires Electric wiring should be carried...

Страница 6: ...uct Installation Operating condition This pump is a type of precision equipment therefore it is necessary to satisfy the following items for store product 1 Operational temperature and humidity 7 40 C...

Страница 7: ...protector is incorporated The use of another protective device such as an earth leakage breaker in addition to the overload protector is recommended Do not apply any voltages other than specifically r...

Страница 8: ...fety Operation 1 1 1 Hazardous of Product and Safety Precautions 1 1 1 1 DANGER Leakage of hazardous gases and materials 1 1 1 2 WARNING Electric shock 1 1 1 3 WARNING Explosion 2 1 1 4 CAUTION High T...

Страница 9: ...1 Ultimate Pressure 15 5 2 Pumping Speed 15 5 3 Required Electricity 15 6 Maintenance Inspection Repair 17 6 1 Maintenance 17 6 2 Scheduled Inspection 17 6 3 Oil Change 19 6 4 Replacement of Spider i...

Страница 10: ...iagram 8 Fig 5 Change region of the voltage and frequency 10 Fig 6 Characteristics of Vacuum pumping speed 16 Fig 7 Replacement of Spider in Coupling 21 Fig 8 Disassembly Drawing of GC 25Sa 50Sa 26 Ta...

Страница 11: ...fore checking or disposing the pump non hazardous treatment must be requested for the authorized professional specialist then check or the pump Injuries of skin by direct contact with contaminated oil...

Страница 12: ...uch the pump body during operation Inspection should be carried out after stopping and cooling down the pump 1 2 Material Safety Data Sheet MSDS The chemical material which is applied or possible to c...

Страница 13: ...Sa GC 50Sa Type Sliding vane 1 stages Sliding vane 1 stages 50Hz 20 50 Pumping speed L min 60Hz 24 60 Ultimate pressure Pa 9 3 9 3 Motor W Poles 100 4 200 4 50Hz 3 7 5 6 Full load current A 60Hz 3 0 4...

Страница 14: ...4 2 2 Dimensional Drawings Motor Single phase 100V 50 60Hz 100W 4Poles Split phase starting Weight 8 5 kg with motor Fig 1 General Assembly Drawing of GC 25Sa...

Страница 15: ...5 Motor Singhle phase 100V 50 60Hz 200W 4Poles Split phase starting Weight 11 0kg with motor Fig 2 General Assembly Drawing of GC 50Sa...

Страница 16: ...be placed on a level place in an upright position as shown in Fig 1 2 3 2 Oil charging Remove the oil filling plug and then fill the oil one time charge to the pump or recommended oil SMR 100 up to s...

Страница 17: ...Sheet MSDS When the contaminated oil touching the skin or coming into the eye accidentally follow the item first aid treatment of Material Safety Data Sheet MSDS Do not apply other vacuum pump oils be...

Страница 18: ...le vacuum pump may cause trouble 2 Install the shut off valve A and the pump vent valve B in between the pump inlet port and the vessel as shown in Fig 4 Fig 4 Vacuum Pumping System Diagram 3 Vacuum t...

Страница 19: ...100V single phase 3 The over load protector thermal protector manual reset type is provided for this pump Switch off power before electric wiring Never connect electric wire cord when power line is ho...

Страница 20: ...and to the voltage change and frequency change in Domain B it shall operate with main rated values and shall be used practically convenient However operation with it is convenient and safe is maintain...

Страница 21: ...e interval for changing oil When evacuating much quantity of water moisture change oil frequently If operating pump a long term as taking water moisture into the pump this may cause deterioration of o...

Страница 22: ...rotation is not so smooth take action needed as described below Check oil quantity and charge proper quantitative oil When stopping the pump for long term 3days or more at low temperature pump oil wi...

Страница 23: ...n stopping the pump operation by electric stoppage close shut off valve A quickly and then open pump vent valve B Firing hazard As the surface of the pump body is higher temperature 70 80 C during ope...

Страница 24: ...rate normally 4 5 Set up oil mist trap option Oil mist trap OMT 050A for GC 25Sa 50Sa can be equipped for trapping oil mist out of the pump After eliminating the standard exhaust pipe equip the oil mi...

Страница 25: ...generated from any water droplet or any rust adhered to the inside surface of the vacuum vessel or the vacuum tubing may cause high ultimate pressure Any volatile contents dissolved into the pump oil...

Страница 26: ...16 Fig 6 Characteristics of Vacuum pumping speed...

Страница 27: ...life Turn off power switch certainly before inspection Never turn on power switch for inspection It may cause personal injuries Directly after stopping the pump the pump body is high temperature Wait...

Страница 28: ...local Representative Mesh filter inlet port Dust clogging Clean the mesh filter Every 3000hr or Every half year Pump oil Inspect oil certainly Change oil Every year Spider Broken spider Change spider...

Страница 29: ...Service Center When requesting overhaul or repair the pump inform the sort of evacuated gases on the Check sheet for repair attached at end of this manual and submit the sheet by all means When evacua...

Страница 30: ...g the inlet port and operate the pump for 5 sec We can discharge the remained oil inside the pump effectively 2 Disconnect the standard exhaust pipe unplug the drain port and then drain off the oil 3...

Страница 31: ...mes per day it is necessary to check it within a shorter time To remove the spider please remove the 4 bolts which time the coupling will be visible To have the pump reassembled after overhauling fit...

Страница 32: ...5 4 5 6 2 6 2 Irregular rotation of the pump Abnormal input voltage Inferior wire connect ion to the pump High oil viscosity at low temperature Coming different objects into the pump Adjust input vol...

Страница 33: ...of coupling Overhauling and repairing clean the oil aperture Overhauling and repairing Replace parts 3 5 3 2 6 4 Abnormal high temperature on the pump surface R T 50 Continuous operating at high suct...

Страница 34: ...g gases and gas temperature Dry air or dry nitrogen 7 40 c Operation by this instruction manual 3 The following cases should be with compensation even if during the warranty period a Problems caused b...

Страница 35: ...0092223 O Ring JIS B 2401 P 18 NBR 1 Casing 5 00092022 O Ring S 15 NOK NBR 1 6 10750062 Discharge valve GC 25Sa 2 GC 50Sa 3 9 24 t0 1 SUS Pomp 7 00093107 Oil seal SC15 30 7 NOK NBR 1 10830063 Vane GC...

Страница 36: ...26 9 2 Disassembly Drawing Fig 8 Disassembly Drawing of GC 25Sa GC 50Sa...

Страница 37: ...above mention these treatments must be done Therefore MSDS is a not safety warranty Attached Table Material Safety Data Sheet Vacuum Pump Oil SMR 100 Section Hazardous Ingredients Identity Information...

Страница 38: ...ing Section Health Hazard Data Route s of Entry Inhalation Skin Ingestion No Yes Slightly Unlikely Health Hazards Acute and Chronic Acute Oral Toxicity No information Skin irritation Mildly irritating...

Страница 39: ...entilation Wear safety gloves and glasses Store indoors and close tightly with cap Keep the storage temperature in the range from 0 to 40 Keep away from heat open flame sparks and other possible ignit...

Страница 40: ...Product Name Serial No 1 Request item 1 Trouble situation Unusual sound Pressure degradation Irregular action Others 2 Scheduled inspection repairing 3 Others 2 Evacuated gas 1 Hazardous situations f...

Страница 41: ...e sales division 2 7 19 Shin yokohama Kohoku ku Yokohama City Kanagawa 222 8522 3F Tenko Bldg 50 Tel 045 474 2011 Fax 045 474 2010 Inspection Certificate Product Oil sealed rotary vacuum pump Model GC...

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