IWAKI AMERICA Sanwa MMP Instruction Manual

Stainless steel magnet drive pump

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No. MMP01F(E)/1711
I.A. EDITION
Sanwa Stainless Steel Magnet Drive Pump
Model MMP
Instruction Manual
Note
This instruction manual has been prepared for the personnel who will use the pump,
so make sure it gets into the hands of the personnel in charge at the workplace
where it will be used. Please contact Sanwa Hydrotech if equipment manufacturers
or plant manufacturers would like copies to be provided.
IWAKI AMERICA, INC.
Five Boynton Avenue, Holliston, MA 01746 USA
Tel: 508-429-1440 / info@iwakiamerica.com / iwakiamerica.com

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  • Page 1 Please contact Sanwa Hydrotech if equipment manufacturers or plant manufacturers would like copies to be provided. IWAKI AMERICA, INC. Five Boynton Avenue, Holliston, MA 01746 USA Tel: 508-429-1440 / info@iwakiamerica.com / iwakiamerica.com...
  • Page 2: Foreword

    Foreword Thank you for purchasing the Sanwa Magnet Drive Pump. Every effort has been made in the manufacture of this product to ensure that it is safe for use. However, improper handling may lead to unforeseen accidents or prevent satisfactory pump performance from being achieved.
  • Page 3 General  Do not use this product in an explosive atmosphere, as this will lead to injury, fire, or other adverse consequences. If the product must be used in an explosive atmosphere, use a pump that allows a pressure-resistant explosion-proof motor or the like to be installed. ...
  • Page 4 Disassembly and assembly  Hazardous liquid caution: When the liquid being handled is a hazardous chemical, drain the liquid and then clean the pump thoroughly before disassembly. Small quantities of liquid will remain on the threads, spigot joint sections, and interface sections inside the pump. Therefore, when handling chemicals that are hazardous to human health, be sure to wear protective gear (safety goggles, rubber gloves, etc.) and be very careful during disassembly.
  • Page 5  The pump bearings are made of a very hard material, but they are susceptible to vibrations and impacts, so handle them carefully during shipment and transport. Similarly, place the pump gently when installing it in the machinery. Unpacking  Check to make sure the box is right side up before unpacking the pump.
  • Page 6: Table Of Contents

    Contents Foreword Important Safety Information ● Safety Checks and Precautions ..........6 ● Shipment, Transport and Unpacking ........7 1. Shipment and transport ..............7 2. Unpacking ..................7 ● Before Use ................7 ● Pump Models ................ 9 ● Pump Model Codes ............... 9 ●...
  • Page 7: Safety Checks And Precautions

    ● Safety Checks and Precautions  Before use (installation, operation, maintenance, inspection, etc.), be sure to carefully read this Instruction Manual and all associated documents, and follow the instructions to ensure proper use. Make sure you have a thorough knowledge of the product and a thorough understanding of all safety information and precautions before attempting to use the product.
  • Page 8: Shipment, Transport And Unpacking

    ● Shipment, Transport and Unpacking 1. Shipment and transport  Dangerous consequences may result if the pump should fall or topple during transport, so transport the pump carefully. If the pump has an eyebolt, be sure to use it. However, after the pump has been installed in the machinery, do not attempt to hoist the entire machine with the eyebolt.
  • Page 9 Nameplate of pump TYPE: Pump model and pump code DATE: Date of manufacture IMP. DIA.: Impeller diameter PUMP MASS: Weight of pump not including motor...
  • Page 10: Pump Models

    ●Pump Models M M P Pump model Pump size Operating temperature range P: Standard model Minimum Maximum Magnet temperature temperature material °F (℃) °F (℃) −22 (−30) +302 (+150) Note: Please contact Sanwa Hydrotech if significant increases and decreases in temperature occur repeatedly.
  • Page 11: Pump Specifications

    ③ Type of Motor 『N』 :C-FACE NEMA motor ④ Motor output & Magnet Coupling Type Code Output Magnet Motor Frame Pump (HP) Coupling Type & Type Size 『03』 MMP11, 『05』 R25x6N MMP21, MMP22 『07』 ⑤ Pipe Connection & Pump Material 『N』...
  • Page 12 5. Motor Rated output: NEMA motor:1/3HP , 1/2HP , 3/4HP Frame: NEMA motor:56C 6. Part specifications -22 - -5°F -4 – +248°F +249 - +302°F (-30 - -21℃) (-20 - +120℃) (+121 - +150℃) Gasket MMP11 PTFE mixed with PTFE glass fiber MMP21 PTFE...
  • Page 13: Pump Installation

    ●Pump Installation 1. Installation 1. Hoist the pump into position 2. Install the pump  Determine the location for pump installation based on a study of the suction head.  Install the pump in a location where maintenance and inspections can be performed easily.
  • Page 14: Electrical Wiring

    Piping Support Pressure Gauge Gate Valve Compound Pressure Gauge Gate Valve Piping Support (Required for longer piping to reduce vibration) 3. Electrical wiring  Install the power supply equipment for the motor and conduct the wiring and groundwork, etc. properly in accordance with the technical standards for electrical installation and indoor wiring regulations.
  • Page 15: Operation

    ● Operation 1. Preliminary inspection (be sure to turn off the power beforehand) Retighten the flange bolts and base bolts. Clean the pipes and the inside of the tank thoroughly. Then fill the tank with water. Using a thin rod or the like, turn the blades of the motor fan to make sure they turn easily.
  • Page 16 Operation and Handling Considerations (Precautions for Operation)  Never operate the pump in cavitation or no-load status, as this may damage the bearings. Shut off the pump.  If the magnet coupling slips, shut off the pump within one minute. Continuing to operate the pump while the magnet coupling has slipped will demagnetize the magnet coupling and may cause the pump to fail.
  • Page 17 Effect of temperature  The performance of the pump itself will not be affected by changes in temperature. However, the specific gravity, viscosity, vapor pressure, corrosiveness, etc. of the liquids that are handled will change along with changes in temperature. Therefore, it is necessary to be aware of changes in the properties of the liquids that are handled.
  • Page 18: Shutdown

    Noise level  The table below shows the noise level of each pump model.  The noise level will vary depending on the properties of the motor itself, the pump flow rate, the piping design, the acoustic properties of the building, etc. In addition, the noise level may increase when the inverter control is used to operate the motor.
  • Page 19: Maintenance And Inspection

    ● Maintenance and inspection 1. Regular inspection Inspection Item Criteria and Precautions Does the pump operate The allowable value for vibration is a maximum of 28/33µm (both smoothly without vibrating? amplitude) when a 2P motor is used and a maximum of 47/54µm (both amplitude) when a 4P motor is used (JIS-B8301 60/50HZ).
  • Page 20: Pump Configuration And Part Names

    2. Pump configuration and part names Part names (see table below) and assembly diagrams (see next page) have been provided to give you a general understanding of the pump as an aid to proper pump handling. Use these as a reference when consulting the Instruction Manual. Part names Part Material...
  • Page 21: Disassembly And Assembly Order

    3. Disassembly and assembly order  The magnet coupling uses powerful magnets that will attract iron and other magnetic materials. Use a workbench that is made of wood, plastic, or other non-magnetic material.  The use of non-magnetic stainless steel tools for disassembly is recommended.
  • Page 22 1. Precautions when attaching the magnet coupling to the motor shaft 1-1 If the magnet coupling is difficult to attach to the motor shaft, lubricate with oil or the like to make it slide more easily and then press it in. Do not tap it directly; use a cylindrical jig (a non-magnetic material such as a piece of wood) to tap the base of the magnet coupling and press it in.
  • Page 23 Numbers indicate the part No..  When the liquid being handled is a hazardous chemical, drain the liquid and then clean the pump thoroughly before disassembly. Small quantities of liquid will remain on the threads, spigot joint sections, and interface sections inside the pump. Therefore, when handling chemicals that are hazardous to human health, be sure to wear protective gear (safety goggles, rubber gloves, etc.) and be very careful during disassembly.
  • Page 24: Part Dimensions

    4.Part dimensions If the clearance between rotating and stationary components is out of limitation, it may happen that these component contact and resulting frictional heat entail excessive temperatures. Check the following dimensions, when disassembled. If measured dimension exceeds the allowance, replace damaged parts by new original spare parts. ・Dimension of Journal bearing inch (mm) BUSHING...
  • Page 25: Optimal Tightening Torque For Bolts And Nuts

    5. Optimal Tightening Torque for Bolts and Nuts Part No. Part Casing bolts Set screw Base bolts Pump Size 3.54ft-lb (4.8N•m) 1.77 ft-lb 8.85 ft-lb (2.4N•m) (12.0N•m) 8.85 ft-lb (12.0 N•m)
  • Page 26: Troubleshooting

    ●Troubleshooting The following table shows common problems as well as their causes and corrective action. Refer to this table in the event of a problem. (“○” indicates a problem that is specific to magnet drive pumps.) Problem Cause Corrective action ●...
  • Page 27 ● Impeller is clogged. ● Remove foreign matter. ● Cavitation is being produced. ● Investigate suction conditions. ● Flow rate is too high. ● Reduce discharge valve opening. ● Rotation is in the wrong direction. ●Inspect electrical connections. ● Pipes are vibrating sympathetically. ●...
  • Page 28: Repair And Warranty

    ●Repair and Warranty Sanwa Hydrotech Corporation provides repair and maintenance service for your Sanwa Magnet Drive Pump. Terms and conditions of repair and warranty are stated thereto: Warranty Repair Equipment failure and/or damage resulting from defective design or workmanship shall be repaired at no cost to the owner.
  • Page 29 If you have any questions regarding this product, please contact Iwaki America, Inc. at the contact numbers or addresses listed below. IWAKI AMERICA, INC. Five Boynton Avenue, Holliston, MA 01746 USA Tel: 508-429-1440 / info@iwakiamerica.com / iwakiamerica.com 180724.A May 2018...

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