Sanwa Hydrotech META MTFO Manual de usuario

Manual No.MTFO01C(E)/1506ATEX

Original Instruction

INSTRUCTION MANUAL

This instruction manual is for the person who actually operates the pump.

Please be sure this manual is provided to and understood by the operator

on the scene. If the instruction manual is also needed by personnel who

install the pump or by a staff of a plant constructor, please let us know. We

will supply another copy.

Machine Number Code Lot Number

To the on-site operator: please enter the pump’s code and lot number above and for future parts

order and inquiry.

SANWA HYDROTECH CORPORATION

STAINLESS STEEL MAGNET DRIVE PUMP

META SERIES

MTFO/MTFO-L/MTFO-H

Requirements

Introduction

Thank you very much for selecting a Sanwa Magnet Drive Pump. Our pumps

are manufactured under strict quality control standards to ensure that your

pump is in perfect operating condition. Improper handling or operation could

however inhibit the pump’s performance or lead to accidents. To use your

Sanwa Magnet Drive Pump in the manner for which it was designed, be sure to

closely follow the instructions contained herein. The instruction manual should

be kept in a safe place where it can be referred to whenever necessary.

For information concerning handling and operation of the motor, refer to the

instruction manual for the motor.

Safety

 Sanwa Hydrotech does not assume responsibility for damage or injury re-

sulting from failure to follow the safety instructions contained herein. Be

sure therefore to follow the instructions for safe and correct usage when op-

erating, performing maintenance, or inspecting the pump.

 The degree of potential danger as a result of improper handling or operation

is indicated by the following three classifications:

Situation where improper handling or operation would almost certainly

result in death or serious bodily injury.

Situation where improper handling or operation could result in death or

serious bodily injury.

Situation where improper handling or operation could result in bodily

injury or equipment damage.

Situation where improper handling or operation in hazardous location

could result ignition or explosion.

 Items indicated by could also lead to serious consequences ac-

cording to the circumstances. Be sure therefore to strictly observe items in-

dicated by any of these labels.

General

 Do not use the pump in the presence of explosive gas or powder. You may

cause an injury or start a fire.

 Do not use the pump to pumping a liquid with a low flash point or ignition

temperature.

 Be sure to turn the power off before performing any type of maintenance,

repair or inspection. Failure to do so could result in electrical shock.

 Use the material which is suitable to specification of liquid. Otherwise

leakage occurs.

Operation

 Absolutely do not touch or come close to turning parts. Doing so could result

in injury caused by entanglement in the rotating parts.

 In case of power failure, be sure to turn the power off to prevent the pump

from starting unexpectedly when the power is restored.

Maintenance and Inspection

 Be sure to connect the power cable in accordance with instruction manual

for the motor and the connection diagram in the terminal box. Failure to do

so could result in electrical shock or fire.

 Magnet drives cause strong magnetic fields. Persons with a pacemaker

should not stay close to the magnet drive or come into close bodily contact

with parts of it.

General

 If using in connection with the food processing, be sure to keep the pump

clean by washing. Failure to do so could enable germs to develop in the

pump.

 Do not insert your fingers or any other objects in the openings of the pump

motor. Doing so could result in electrical shock, injury or fire.

Installation and Adjustment

 Absolutely do not place inflammable materials in the area surrounding the

pump. Doing so could result in fire.

Operation

 Be careful of rotating parts.

Do not insert your fingers, etc., in the openings of the frame adaptor while

the pump is operating. Touching turning parts could result in injury.

Disassembly and Assembly

 Be careful with hazardous liquids.

If pumping dangerous chemicals, be sure to drain and wash well before

disassembling. A small amount of fluid may however remain in the screw,

faucet joint and engaged parts inside the pump.

If handling hazardous chemicals, be sure to wear protective equipment

such as glasses and rubber gloves, and proceed with caution while disas-

sembling the pump.

 Be careful not to get your hands or fingers pinched by machine parts.

Parts may be strongly attracted by magnetism when disassembling or as-

sembling the magnet coupling. Be careful not to let your hands or fingers

get pinched by magnetized parts.

General

 Transport, installation, piping and wiring connections, operation, adjust-

ment, maintenance and inspection should be carried out by qualified per-

sonnel. Having unqualified personnel perform these tasks could result in

electrical shock, injury or fire.

 Be sure to use only a power source of the voltage indicated on the name

plate of the motor. Not doing so could result in electrical shock, injury or

equipment damage.

 Do not use a damaged motor. Doing so could result in injury or fire.

 The customer should not modify the pump under any circumstances. Doing

so could result in an unexpected accident. Sanwa Hydrotech shall not be

responsible for accidents or damage resulting from equipment modified by

the customer.

 Do not block name plate or warning labels from view.

 Do not remove the name plate or warning labels.

Transport

 Beware of equipment falling or turning over during transport. Be sure to

use the hanger bolt if the pump is equipped with one. After installation,

however, you should avoid hoisting the entire machine by the hanger bolt.

Before lifting, check the weight of the pump by referring to the catalog, etc.

Do not lift a pump which exceeds the rated weight of the hoist. Doing so

could result in injury or equipment damage caused by bolt damage, falling

or turning over.

 The pump bearing is made of extremely rigid material, and cannot endure

rigorous vibration. The pump should be handled with care during

transport. The pump should also be handled with care when installing.

Unpacking

 Check the top and bottom of the package before unpacking. Failure to do so

could result in injury.

 Check the delivery specifications and name plate to make sure the mer-

chandise is as ordered. Installing the wrong equipment could result in in-

jury or equipment damage.

Piping and Wiring

 Be sure to connect the power cable in accordance with instruction manual

for the motor and the connection diagram in the terminal box. Failure to do

so could result in electrical shock or fire.

 Do not forcibly bend, pull or crimp the power cable or motor lead wires.

Doing so could result in electrical shock.

Installation and Adjustment

 Be sure to connect the earth terminal securely. Failure to do so could result

in electrical shock.

Operation

 Do not operate with the terminal box cover off. After wiring, be sure to re-

place the terminal box cover in its original position. Failure to do so could

result in electrical shock.

 Beware of high temperatures.

If handling high temperature fluids, do not place your hands, etc., near the

casing or frame adapter. Doing so could result in skin burning.

 Do not operate the pump to pumping gases. This pump is designed to pumping

liquids. Otherwise, the pump may have a high temperature or SiC bearings and

the rear casing shell may be broken.

 No-Load Operation

Absolutely do not operate the pump without a load. Doing so will cause the

inside to heat up and damage the bearings. Never operate the pump with-

out liquid inside of the pump. (This applies to when checking rotation di-

rection as well.) If heat is produced in the can, the temperature rises may

cause magnetism to reduce.

 Shut-Off Operation

Do not perform shut-off operation for more than one minute. Doing so will

cause a radical rise in temperature of the liquid in the pump, and could

result in an accident.

General

 The magnetic pump is designed for liquid only.

 If the pump is modified or changed without authority and/or other than

original spare parts are used for repair works, the explosion protection will

be forfeited.

Inadmissible mode of operation

 Driving motor must have approval for the use in areas subject to explosion

hazards.

Temperature limits

 When being operated to its designated use, the pump’s maximum surface

temperature must not exceed the temperature category of the explosion

protection zone.

Speed limits

 The maximum allowable speed is 3600rpm. If the pump is operated a speed

exceeding the maximum speed, explosion protection is no longer granted.

 Prior to operating the pump unit with a frequency converter it must be

checked, whether the driving motor is appropriate for that purpose.

Disassembly and Assembly

 Ensure that the driving motor and/or the entire equipment have been ap-

proved for the prevailing explosion protection zone.

 Instruction given in the operation manuals of the driving motor is to be

observed.

 If the pump is fitted with a heating jacket, the temperature of heating me-

dium must not exceed the maximum allowable surface temperature of the

pump.

Operation

 When a pump is operated which has not been completely filled, an ignition

source can develop due to heat input. The pump must be completely filled.

If cannot ensure that, appropriate monitoring must be taken.

 When the pump is operated in the closed circuit system, the temperature of

liquid and the surface of the pump will be increased. Use the monitor to

prevent the pump from excessively heating up.

 The situations below will increase the temperature of the pump surface. Do

not operate the pump these situations.

･Shut-off operating ･Low-flow operating ･Dry running

･Operating with “decoupling”

･Operating with “circulation-hole of casing cover and shaft is interrupt-

ed”

Maintenance

 If the clearance between rotating and stationary components is out of lim-

itation, it may happen that these component contact and resulting fric-

tional heat entail excessive temperatures.

 Ensure that the bypass-hole of casing cover and shaft is not interrupted.

 Ensure whether pump parts are not corroded. If corrosion occurred, exam-

ine the change of material. Give priority to experience on selection of ma-

terial.

To Prevent sparks

 To avoid the potential hazards from random induced current generating a

spark, the earth contact on the pump and motor must be used.

 To avoid electrostatic charge, do not rub non-metallic surfaces with a dry

cloth. Make sure the cloth is damp.

Contents

Introduction for safety

● Instructions for Safe Usage ............................................. 10

Equipment Failure / Accident Prevention and

Safe Operation Checks .................................................................... 10

Precautions When Pumping Special Liquids ................................... 11

● Transport and unpacking ................................................. 12

1. Transport ...................................................................................... 12

2. Unpacking .................................................................................... 12

● Preliminary Check ............................................................ 13

● Pump model identification ............................................. 14

1. Impeller Type ............................................................................... 14

2. Liquid Temperature Selection Guide ............................................ 14

3. Pump Size ................................................................................... 14

4. Magnet Type ................................................................................ 16

● Pump Specification .......................................................... 16

1. Design Pressure .......................................................................... 16

2. Casing Piping Connection ........................................................... 16

3. Viscosity ....................................................................................... 16

4. Motor ............................................................................................ 16

5. Parts Specifications of Each Liquid Temperature Range ............. 17

6. Ambient Temperature ................................................................... 17

7. Speed Limit .................................................................................. 17

8. Maximum and Minimum Flow Rate ............................................. 17

9. Temperature Classification .......................................................... 17

10. Marking ...................................................................................... 18

● Declaration Conformity .................................................... 19

● Pump Installation .............................................................. 21

1. Installation .................................................................................... 21

2. Piping ........................................................................................... 21

3. Wiring ........................................................................................... 22

4. Earthing ....................................................................................... 23

5. Cover ........................................................................................... 23

● Operation ........................................................................... 24

1. Pre-Operation Inspections (Be sure to turn the power

off before performing inspections!) .............................................. 24

2. Operation ..................................................................................... 24

Operation and handling ............................................................................ 25

3. Shutting Down ............................................................................. 28

● Maintenance and Inspection ............................................ 29

1. Routine Inspection ....................................................................... 29

2. Configuration and Location of Part .............................................. 30

Parts ......................................................................................................... 30

Configuration ............................................................................................ 31

3. Order of Disassembly and Assembly ........................................... 34

4. Checking parts dimension and clearance gap ............................. 37

5. Optimal Tightening Torque for Bolts and Nuts ............................. 39

● Troubleshooting ................................................................ 40

● Repairs and Warranty ....................................................... 42

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