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Ulvac G-20DA Instruction Manual

Oil rotary vacuum pumps
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INSTRUCTION MANUAL
OIL ROTARY VACUUM PUMP
MODEL ： G-20DA
MODEL ： G-25SA
MODEL ： G-50DA
MODEL ： G-50SA
For safe and efficient use of this 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 future improvement.
ULVAC KIKO,Inc.
Before Use
- 01 -
P8114-2-01-9

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  • Page 1 P8114-2-01-9 INSTRUCTION MANUAL OIL ROTARY VACUUM PUMP MODEL ： G-20DA MODEL ： G-25SA MODEL ： G-50DA MODEL ： G-50SA Before Use For safe and efficient use of this pump, please read this manual carefully before operation. After reading the manual, keep it in your file for future reference.

  • Page 2: Before Using This Pump

    ０．Preface 0.1 Before Using This Pump We, ULVAC KIKO,Inc. thank you for purchasing our vacuum pump. When receiving our vacuum pump, please confirm the product is the same Model No. as you ordered. Also, check to make sure there are no damages.

  • Page 3: Safety Precautions (General Expression

    0.2 Safety precautions (General Expression) Safety precautions are identified in this manual using headers DANGER, WARNING, CAUTION, and NOTE. "Danger" Indicates major hazardous situations, which present an immediate threat of death or serious injury. "Warning" Indicates hazardous situations, which may present a potential to death or serious injury.
  • Page 4 0.3 Safety Precautions When evacuating toxic or inflammable gas, there may be danger of leaking gas from parts besides inlet port. Practice cautionary steps when working any kind of gases. After evacuating toxic gases, the inside of pump and pump oil is contaminated and toxic.
  • Page 5 Instructions. Miswriting may cause fires. Switch off electric power right away in case of a malfunction to prevent any troubles. In the case of a malfunction, contact your local agent or ULVAC KIKO,Inc. Sales and Service Center immediately. Do not start the pump without pump-oil. Failing to do so will lead to pump destruction.

  • Page 6: Acceptance And Store Of Product

    (2) Spare parts (single use of pump oil, optional parts) (3) Any damages during transportation. (4) Any loose screws and nuts. If you find any abnormal circumstances, please contact your local ULVAC KIKO,Inc. Sales or Service Center. 0.4.2 Store of Product, Installation, Operating condition This pump is a type of precision equipment;...

  • Page 7: Protective Precautions

    0.5 Protective Precautions The pump is provided with a single-phase 100V (50/60Hz) motor. An overload protector (manually reset thermal 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 rated for the motor of this pump.

  • Page 8: Table Of Contents

    1.2 Material Safety Data Sheet(MSDS) ・・・ ・・・・ 2 ・・ 2. General Description of the Pump ・・・・・・・・・ 3 2.1 Principal Features ・・・ ・・・・ 3 ・・ 2.2 Dimensional Drawings(G-20DA,25SA,50DA,50SA) ・・・ ・・・・ 4 ・・ 3. Setting up ・・・・・・・・・ 6 3.1 Installation ・・・ ・・・・ 6 ・・...
  • Page 9 ・・・ ・・・・22 ・・ 7. Product Disposal ・・・・・・・・・24 8. Main Expendable parts ・・・・・・・・・25 8.1 Main Expendable Parts List ・・ ・・・・・25 ・・ 8.2 Disassembly Drawings(G-20DA,25SA,50DA,50SA) ・・・・ ・・・26 ・・ Warranty Material Safety Data Sheet(MSDS) Check sheet for repair Sales and Service Centers Contents‐2...
  • Page 10 DRAWING AND TABLE LIST Fig- 1 General Assembly Drawing of G-20DA ・・・・・・・ 4 ・・ Fig- 2 General Assembly Drawing of G-25SA ・・ ・・・・・ 4 ・・ Fig- 3 General Assembly Drawing of G-50DA･50SA ・・・ ・・・・ 5 ・・ Fig- 4 Oil Charge to Rotary Vacuum Pump ・・・・・...

  • Page 11: For Safety Operation

    1.For Safety Operation 1.1 Hazardous of Product and Safety Precautions Before operating or inspecting the pump, read this manual carefully. And pay attention to ascertain the detail of potential hazardous and preventive procedure so that must be operated or inspected the pump. 1.1.1 Leakage of hazardous gases and materials Cause...

  • Page 12: Material Safety Data Sheet(Msds)

    (vacuum pump oil) which is described on MSDS sheet. When applying other vacuum pump oils besides the description in this manual, contact your local ULVAC KIKO,Inc. Sales and Service Center. MSDS presents the reference information of hazardous chemical material to keep safety precautions.

  • Page 13: General Description Of The Pump

    Capacity, (mL) Note 1. Ultimate pressure indication by McLeod gauge. For G-20DA,50DA : 1 order higher pressure indication by Pirani gauge. For G-25SA,50SA : same pressure indication by Pirani gauge. 2. Vapor pressure, viscosity, or characteristics of vacuum pump oils are different respectively.

  • Page 14: Dimensional Drawings(G-20Da,25Sa,50Da,50Sa)

    2.2 Dimensional Drawings Motor ; Single phase, 100V(50/60Hz), 100W, 4Poles,Split phase starting Weight ; 9.0 kg(with motor) Fig-1 General Assembly Drawing of G-20DA Motor ; Singhle phase, 100V(50/60Hz), 100W, 4Poles, Split phase starting Weight ; 8.5kg(with motor) Fig-2 General Assembly Drawing of G-25SA...

  • Page 15: Fig-3 General Assembly Drawing Of G-50Da･50Sa

    Motor ; Singhle phase, 100V(50/60Hz), 200W, 4Poles, Split phase starting Weight ; 11.0kg(G-50DA･50SA : with motor) Fig-3 General Assembly Drawing of G-50DA･50SA ‐5‐...

  • Page 16: Setting Up

    3. Setting up 3.1 Installation Installation must be done at a place of low moisture, low dust particle, and also level. The layout arrangement should be considered for setting up, overhaul, checking, or cleaning the pump. When setting up the pump in any systems, pay attention to temperature in atmosphere. Mount rubber isolator to absorb vibration from the pump.

  • Page 17: Fig-4 Oil Charge To Rotary Vacuum Pump

    Fig-4 Oil Charge to Rotary Vacuum Pump ① Wear protective rubber gloves or goggles. ② Before charging oils ,read the 「1.2 Material Safety Data 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 besides our recommended.

  • Page 18: Vacuum Tubing

    3.3 Vacuum Tubing (1) Clean inner surfaces of vacuum vessel, tubing and valve. Then, after eliminating water moisture, small particle, dust or rust carefully, connect tube to the pump. If evacuating small size powder or dust particle, 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-5.

  • Page 19: Electric Wiring

    3.4 Electric wiring (1) This pump has performed beforehand electric wiring by the side of a pump. (2) Plug the power wire cord in the power outlet of 100V, single phase. (3) The over-load protector (thermal protector, manual reset type) is provided for this pump. Switch off power before electric wiring.

  • Page 20: Fluctuations In The Power Voltage And Frequency

    3.5 Fluctuations in the power voltage and frequency Standard: Rotation electricity machine general rules JIS C 4034-1:1999，JEC-2137-2000 To the voltage change and frequency change in Domain A, in main rated values, it operates continuously, and can be used practically convenient, and to the voltage change and frequency change in Domain B, it shall operate with main rated values and shall be used practically convenient.

  • Page 21: Operating Instructions

    4.Operating Instructions 4.1 Operating precautions Explosion hazard. Do not plug the exhaust port or place any materials inside of the exhaust port, because it will reduce pumping speed during operation. Pump explosion, oil level gauge bursting, or over loading of the motor are consequences of excessive pressure inside the pump.
  • Page 22 After operating the pump for several hours, oil temperature inside the pump may be risen up to 70 ～80°C. If the temperature is over this, the pump may have troubles. Maintain the pump, or contact ULVAC KIKO ,Inc. ‐12‐...
  • Page 23 4.3 Shut down Operation Close shut off valve (A), open pump vent valve (B), then turn off power switch of the pump(see Fig-5). If stopping the pump by no opening pump vent valve, the oil will be filled inside the pump cylinder within several minutes.
  • Page 24 4.6 Set up oil mist trap (option) Oil mist trap OMT-050A for G-20DA, 25SA, 50DA, 50SA can be equipped for trapping oil mist out of the pump. After eliminating the standard exhaust pipe, equip the oil mist trap to the exhaust port.
  • Page 25 The 「Ultimate Pressure」described in the catalog or this manual means obtainable minimum pressure by vacuum pumping at inlet port without conducting gas (no load operating). Our ULVAC KIKO,Inc. applies the specified pump oil and measures the pressure at inlet port attached the sensor of only the Pirani gauge.

  • Page 26: Fig-7 Characteristics Of Vacuum Pumping Speed

    Fig-7 Characteristics of Vacuum pumping speed Fig-8 Characteristics of Motor power ‐16‐...
  • Page 27 6.Maintenance, Inspection, Repair 6.1 Maintenance Check and confirm the following items at least every 3 days while operating. (1) Oil level is in red ring marking of oil gauge. (2) Change in color of the oil. (3) Usual sound or not? (4) Motor current, normal or not? (5) Oil leak from oil seal assembly.
  • Page 28 When happening the oil leakage from shaft seals or drain-plug seals, repair must be needed. As our service center provides the specified O-rings or seals, please contact your local ULVAC KIKO, Inc. service center. (4) Inspecting the mesh filter in the inlet port Any dust included in evacuated gases may cause clog the mesh filter and down pumping efficiency.
  • Page 29 Besides the inspecting items mentioned above, overhaul is useful when continuing the operation for long term or observing heavy contaminated oils. Please contact your local ULVAC KIKO,Inc. Sales and Service Center. When requesting overhaul or repair the pump, inform the sort of evacuated gases on the "Check sheet for repair"...
  • Page 30 When evacuating toxic gases, the pump body and the pump oil may cause toxic. Pay attention certainly. ① Wear suitable protector (rubber gloves, goggles). 1.2 Material Safety Data Sheet(MSDS) ② Before charging the oil, read the「 」. When the contaminated oil touched skin or came into eye accidentally, follow 1.2 Material Safety Data Sheet(MSDS) the first-aid-treatment of「...

  • Page 31: Fig- 9 Replacement Of Spider In Coupling ・・・・・ ・・ ・・21

    6.4 Replacement of Spider in Coupling The spider (made of rubber) is used between the pump head and the motor. It is recommended that it be checked once a year and replaced if found defective. If the pump is started and stopped hundreds of times per day, it is necessary to check it within a shorter time.
  • Page 32 6.5 Trouble Check List Table-3 Trouble Check List Trouble Cause Procedure Note No rotating pump ① No connecting power ① Connect power cord ② Power switch off ② Turn on power switch ③ Abnormal input voltage ③ Adjust input voltage within ±10% ④...
  • Page 33 Trouble Cause Procedure Note ⑧ Leakage from the tube ⑧ Detect leakage by the leak connection with the pump detector, and stop leakage ⑨ Applying no specified oil ⑨ Charge specified oil after overhauling or repairing ⑩ No circulating oil. ⑩...
  • Page 34 7.Product Disposal When disposing the pump, check and dispose the pump in accordance with laws and regulations by the local administration. When evacuating toxic gases which present hazardous situations to the human body entrust the pump should be disposed with authorized professional specialist. ‐24‐...
  • Page 35 SC12-25-7 10790073 Oil level gauge KW-No.0A Front cover 00092211 O-Ring JIS B 2401 P-8 Pomp room 10750062 Discharge valve 9×24×t0.1 11190061 Vane spring φ2.4×24 G-20DA Rotor ＳＴ 10830063 Vane,1 20×13×t4 S45C ＮＤ 11130061 Vane,2 13×11×t4 S45C Pomp room 10750062 Discharge valve 9×24×t0.1...
  • Page 36 8.2 Disassembly Drawing Fig-10 Disassembly Drawing of G-20DA,50DA ‐26‐...

  • Page 37: Fig-10 Disassembly Drawing Of

    Fig-11 Disassembly Drawing of G-25SA ‐27‐...

  • Page 38: Fig-12 Disassembly Drawing Of G-50Sa

    Fig-12 Disassembly Drawing of G-50SA ‐28‐...
  • Page 39 Warranty (1) The warranty period of this pump is one year from shipment. (2) If a failure occurs under normal service conditions within the warranty period, the pump will be repaired free of charge. The normal service conditions are as follows. a) Operating ambient temperature and humidity: 7 to 40°C, 85% RH or lower b) Operation according to the operation manual (3) Even within the warranty period, repair will be charged in any of the following cases:...
  • Page 40 (vacuum pump oil) which is described on MSDS sheet. When applying other vacuum pump oils besides the description in this manual, contact your local ULVAC SINKU-KIKO Co., LTD Sales and Service Center. MSDS presents the reference information of hazardous chemical material to keep safety precautions.
  • Page 41 No.10100-2-02-2 Special Fire Fighting Procedures Fire fighters or others exposed to products of combustion should wear protective clothing including self-containing breathing apparatus. Usual Fire and Explosion Hazard None Section Ⅳ- Reactivity Data Stability Unstable Condition to Avoid High temperature exceeding 100℃ in storing Stable ×...
  • Page 42 No.10100-2-02-2 Section Ⅵ- Precautions for Safe Handling and use Steps to Be Taken in Case Material is Released or Spilled Eliminate ignition sources. Remove free liquid into an empty container. Use suitable absorbents for the un-recovered fluid. In case of a large amount of leak or spill, lead the flow of the liquid to a safety place by means of banking with sand or any other appropriate materials.
  • Page 43 Usage Status Check Sheet (for use in Operation Manual) * For the purpose of safety control of repair personnel, fill in within the heavy line frame and attach the sheet to the item of which repair is requested. * In case this sheet were not attached or filled in, your request of repair and service may not be accepted. * In accordance with the Private Information Protection Law, the provided information will be used only for determining the cause of failure and whether detoxifying washing should be conducted.
  • Page 44 No.10100-2-03-15 Sales, service agency, and the where to make contact <HEAD OFFICE/ Miyazaki Plan> 291-7 Chausubaru, Saito-shi, Miyazaki Prf. Japan TEL (81)983-42-1411 FAX (81) 983-42-1422 ＜Sales Office＞ Sales Division & Overseas Division & Yokohama Branch 1-10-4, Kitashinyokohama, Kohoku-ku, Yokohama-shi, Kanagawa Prf. Japan Yokohama branch: TEL (81) 45-533-0203 FAX (81) 45-533-0204 Overseas Division: TEL (81) 45-533-0206...

This manual is also suitable for:

G-50saG-50daG-25sa

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