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IWAKI PUMPS MDG-R Instruction Manual

Magnetic drive gear pump, built-in type
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IWAKI
Magnetic Drive Gear Pump
MDG-R2 (built-in type)
Instruction Manual
Read this manual before use of product

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Summary of Contents for IWAKI PUMPS MDG-R

  • Page 1 IWAKI Magnetic Drive Gear Pump MDG-R2 (built-in type) Instruction Manual Read this manual before use of product...

  • Page 2: Table Of Contents

    Important Instruction Thank you for having selected the Iwaki Magnetic Gear Pump Model MDG-R2. This manual deals with the correct handling For the Safe and and operation procedures and troubleshooting methods for Correct Handling of the Pump ● "Safety Instruction" section deals with important details about the pump.

  • Page 3: Safety Instruction

    1. Safety Instruction Warning Caution ● Qualified operators only. ● Turn off power supply. The pump operator and pump operation supervisor must Working without disconnecting the power supply may not allow any operators who have little or no knowledge cause an electrical shock. Before engaging upon any of the pump to run or operate the pump.
  • Page 4 Caution Caution ● D amaged pump. ● Install an earth leakage breaker (option). Never operate a damaged pump. A damaged pump may The operation of a pump without using an earth leakage cause leakage or electrical shock. breaker may cause an electrical shock. Please purchase an optional leakage breaker and install in the system.

  • Page 5: Inspection And Unpacking

    2. Inspection and Unpacking 3. Principle of Operation For safe use and correct handling of the pump, confirm the applica- The Iwaki Magnet Gear Pump comprises a pair of gears driven by tion purpose and performance limits of the pump as well as the dan- a magnet coupling and casing in which the gears are fitted exactly.

  • Page 6: Pump Identification Codes

    4. Pump Identification Codes MDG - R 2 R V A 230 - 01 4-1. Specification 50/60Hz (1) (2) (3) (4) (5) (6) Motor specification Max. Max. Attainable Rated discharge discharge Mass Rated Rated Model vacuum speed capacity pressure (kgf) voltage current (Kpa)

  • Page 7: External Dimensions

    5. External Dimensions With AC motor MDG-R2B( )100 type MDG-R2B( )115 type MDG-R2BV( )100 type/MDG-R2RV( )100 type MDG-R2BV( )115 type/MDG-R2RV( )115 type ROTATION NAME PLATE LEAD 0.75 L=(1000) (SOURCE:BLUE,BROWN) (GROUND:YELLOW/GREEN) 91.3 (100) 101.5 (202) - 5 -...
  • Page 8 With DC motor MDG-R2B( )230 type MDG-R2B( )24 type/MDG-R2B( )24H type ROTATION ROTATION NAME PLATE NAME PLATE RED(+),BLACK(-) LEAD 0.75 L = (1000) (SOURCE:BLUE,BROWN) (GROUND:YELLOW/GREEN) 91.3 (80) (100) 101.5 (161) (202) MDG-R2BV( )230 type/MDG-R2RV( )230 type MDG-R2RV( )24H type ROTATION ROTATION NAME PLATE RED(+),BLACK(-)

  • Page 9: Standard Performance Curve

    6. Standard Performance Curve MDG-R2RV( )type (with AC motor) MDG-R2BV( )type (with AC motor) MDG-R2B( )type (with AC motor) 60Hz 60Hz 50Hz 50Hz 101.32 Flow rate L/min 101.32 Flow rate L/min 61.33 61.33 34.66 34.66 8.00 8.00 - 7 -...
  • Page 10 MDG-R2B( )24 (with DC motor) MDG-R2RV( )24H (with DC motor) Flow rate L/min 101.32 Flow rate L/min 61.3 61.33 34.7 34.66 8.00 8.00 - 8 -...
  • Page 11 MDG-R2B( )24H (with DC motor) 101.32 Flow rate L/min 61.33 34.66 8.00 - 9 -...

  • Page 12: Descriptions Of Parts

    7. Descriptions of Parts Motor (Driving unit) "Specifications" label Install the motor in a dry place free from water splashes. Use the pump by observing the specifications described on the label. Pump unit (Liquid circulating unit) The pump is not self-priming type. Before operating the pump, be sure to fill the pump with liquid.

  • Page 13: Name Of Parts

    8. Name of Parts 7 21 20 23 33 8 11 23 26 27 24 25 29 28 This figure shows MDG-R2( )V type. - 11 -...
  • Page 14 ● MDG-R2RV( )type ● MDG-R2B( )type ● MDG-R2BV( )type Parts Name Q'ty Material Remarks Parts Name Q'ty Material Remarks Motor Packing C EPDM Stop Ring SUS316-WPA Retaining Spring SUS316-WPA Screw SNCM M4×6 O Ring Drive Magnet FERRITE, ADC-12 O Ring Rear Casing SUS316 or SUS316L Adjusting Screw SUS316 Driven Magnet...

  • Page 15: Handling Instructions

    9 Handling Instructions ■ Handling Instructions ● The pump structure is not designed to be dust-proof ● H andle the pump carefully. or water-proof. Try not to A strong impact caused by wet or dampen the motor unit. dropping the pump on the ● F or the prevention of elec- floor, striking it, etc., may tric shock accident, be sure...
  • Page 16 ● Since there are powerful mag- Slurry liquid ● Cleaning of the pump Iron, Nickel nets inside the pump, any liq- Do not use benzine, alcohol, thinner or the like for cleaning uid containing powder of iron, nickel, etc. cannot be used. the pump.

  • Page 17: Installation, Piping And Wiring

    10 Installation, Piping and Wiring [Priming method] CAUTION! (In case the pump chamber is wet) When any abnormality or irregularity is noticed, stop the pump immediately and restart it from the first step. 0.5m 10-1. Installation (1) Choose a place where ambient temperature will not exceed 40ºC and ambient humidity of 90%RH. Allow sufficient space around In case there is no liquid in the suction In case there is liquid inside the suction piping.
  • Page 18 (4) A pressure gauge must be 10-2. Piping Discharge valve attached on the discharge Pressure gauge piping to ease the pressure (1) In order to reduce the friction setting of the relief valve. resistance of liquid, the piping This attachment also helps in should be as short and with as the early detection of pump few bends as possible.
  • Page 19 [6] If the pump is installed with an earth leakage breaker and the 10-3. Wiring breaker is activated, eliminate the cause of the breaker activation first, before resetting the condition. When checking the pump The power source handling during wiring work must be done by a for the said cause, be sure to turn off the power supply.
  • Page 20 ■ Rated Electric Current Value Starting Current Value • [7] For the MDG-R2B_24/R2___24H a. This product is not protected against an electromagnetic field. 50/60Hz Take appropriate measures as necessary. Model of pump Voltage (V) Rated current (A) Starting current (A) MDG-R2RV( )100 b. After wiring work, check that the system is free from the 1.10/1.08 MDG-R2BV( )100 AC100...

  • Page 21: Operation

    11. Operation 11-1. Operation Item Remarks ● Adjust valve gradually to obtain specified values of After pump installation, piping, and wiring, follow the start-up pro- discharge, discharge pressure, or vacuum. cedure described below. ● Do not open/close suction port and discharge port CAUTION! suddenly.
  • Page 22 11-2. Relief valve set up The MDG-R2( )V model is equipped with a built-in relief valve. The pressure set upon shipping is 0.4MPa. The pressure value can be adjusted within the range of approximately 0.3~0.4MPa. Prior to resetting the pressure, please contact us and follow the procedure described below.

  • Page 23: Causes Of Trouble And Troubleshooting

    12. Causes of Trouble and Troubleshooting Problem Cause Countermeasure Problem Cause Countermeasure ● Wiring contact is bad. ○ Examine and repair defec- ● Plug is out of socket. ○ Insert plug into socket. ● Contact is bad or there is a ○...

  • Page 24: Maintenance And Inspection

    13. Maintenance and Inspection ■ Maintenance and Inspection Follow the contents of this instruction manual when carrying out the maintenance, inspection, disassembling, and assembling of the Check Point Remarks Check method pump and/or related components. Never operate the pump out of the ranges specified in this instruction manual. Iwaki will not be ●...
  • Page 25 ■ Spare parts ■ Disassembling and Assembling For a long continuous operation of the pump system, spare parts must be replaced timely. The expendable parts in particular must be supplied at hand constantly. For details, contact your dealer. Parts Parts cord Replacement time Q'ty MDG0523 Drive gear MDG0524 Driven gear...
  • Page 26 <Disassembling> 7. Detach the driven magnet (6) from the drive gear (9). Store the removed driven magnet in a place free of steel powder or dust. 1. Remove the 3 machine screws (33) and detach the pump unit off the motor (1). 8.
  • Page 27 · How to mount parallel pins 3. Insert the driven magnet(6) onto the drive gear (9) and attach the stop ring (2). Caulk the stop. When you mount parallel pin on front bearing, face the V groove 4. Attach the retaining spring (22) so that it is inserted in the side to the front bearing.
  • Page 28 7. Attach the packing B (20) and mounting plate (7) to the bracket (8) by tightening the 3 screws (34). (Note: Fastening torque of 0.6 N•m) 8. Mount 4 screws with P.W & S.W (32) on pump head (17) and tighten them.
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  • Page 32 IWAKI Norge AS TEL : (47)23 38 49 00 FAX : 23 38 49 01 China IWAKI Pumps (Guangdong) Co., Ltd. TEL : (86)750 3866228 FAX : 750 3866278 Singapore IWAKI Singapore Pte. Ltd. TEL : (65)6316 2028 FAX : 6316 3221 China GFTZ IWAKI Engineering &...

This manual is also suitable for:

Mdg-r2rv*100Mdg-r2rv*115Mdg-r2rv*230Mdg-r2bv*115Mdg-r2bv*100Mdg-r2bv*230 ... Show all

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