INOXPA MM Manuel

INSTALLATION, SERVICE,

AND MAINTENANCE INSTRUCTIONS

ANNEX FOR CE MARKED EQUIPMENT IN

ACCORDANCE WITH DIRECTIVE 2014/34/EU

MM Ex TABLE BLENDER

The content of this annex supplements the information contained in

the instruction manual. The instructions in this annex must always be

considered as supplementary for equipment marked in accordance

with directive 2014/34/EU.

This annex is to be used to complement the manuals for the ATEX-

certified components used in the unit (e.g. motors, etc.).

Manual Original

02.100.30.02EN

02.100.30.06EN

(0) 2022/11

(1) Where X is a numeric character

EU Declaration of Conformity

We,

INOXPA, S.A.U.

Telers, 60

17820 –Banyoles (Girona)

Hereby declare under our sole responsibility that the machine

TABLE BLENDER

Designation

From serial number IXXXXXXXXX to IXXXXXXXXX (1)

Is in compliance with applicable provisions of the following directive:

Directive ATEX 2014/34/EU

Applicable harmonized standards:

EN ISO 80079-36:2016

EN ISO 80079-37:2016

EN 1127-1:2019

EN 13237:2012

EN15198:2007

EN IEC 60079-0:2018

This Declaration of Conformity covers equipment with the following ATEX marking:

The technical documentation referenced 035260/19 is on file with the notified body INERIS, Parc

Technologique Alata BP 2 F-60550, Verneuil-en-Halatte, France. Reference num. 0080.

The person authorized to compile the technical documentation is the signer of this document.

Banyoles, 2022

II 2G Ex h IIB T4…T3 Gb

II 2D Ex h IIIB T125 ºC…T200 oC Db

II 2G Ex h IIB T4…T3 Gb

II 2D Ex h IIIB T125 ºC…T200 oC Db

David Reyero Brunet

Technical Office Manager

1. Safety

1.1.

INSTRUCTION MANUAL

1.2.

START-UP INSTRUCTIONS

This instruction manual annex contains the basic guidelines that need to be followed during installation, start-up, and

maintenance. Therefore, it is essential that both the company’s technical personnel manager and the installer read the

aforementioned instruction manual prior to installation. The manual must always be left near the pump or the relevant

installation.

Please apply or follow the safety indications explained in depth in this chapter, as well as the special measures and additional

recommendations in the chapters of this annex.

1.3.

SAFETY

1.3.1. Warning symbols

Non-compliance with the safety instructions contained in this manual can pose a risk to people or the machine and its

operation. These risks are expressed by the following symbols:

This sign identifies the safety instructions for this annex relating to the danger of explosive

atmospheres forming and the creation of explosive atmosphere ignition sources that could put

safety at risk if the aforementioned instructions are not followed.

1.4.

GENERAL SAFETY INSTRUCTIONS

1.4.1. During installation

In order to reduce the danger from static electricity, the unit needs to be earthed to ensure

electricity flows between the piping and the blender.

1.4.2. During operation

The operating condition threshold values for explosive atmospheres must not be surpassed.

The blender was chosen based on the operating conditions that the user indicated. INOXPA does not

assume responsibility for any damage occurring from using the blender in different conditions to

those specified in the order.

1.4.3. During maintenance

Danger! Important instructions for protection against explosions.

An explosive atmosphere may generate when disassembling the blender, meaning that work needs

to be authorised under the highest possible safety standards. Additionally, these tasks must only be

carried out by qualified or trained personnel.

1.4.4. Compliance with the instructions

Failure to comply with the instructions may prove hazardous for operators, the environment, the machine, and the installations,

and could lead to a loss of rights for claiming damages and interests.

This non-compliance may result in the following risks (in addition to the risks listed in the manual):

•Generation of explosive atmospheres and risk of explosion.

1.4.5. Warranty

Any warranty will immediately be declared void, as of right, and INOXPA will also be entitled to indemnity for any civil liability

claim presented by third parties if (in addition to the conditions stated in the manual):

•The material has been used incorrectly or has not been used according to the operating conditions for the classified

zone, rather being used in a different classified zone, under different temperature or pressure conditions, and/or with a

different substance.

 
 
Table of contents 
 
 
 
 
Safety 1 
1. INSTRUCTION MANUAL..................................................................................................1 
2. START-UP INSTRUCTIONS .............................................................................................1 
3. SAFETY.........................................................................................................................1 
4. GENERAL SAFETY INSTRUCTIONS ..................................................................................1 
Table of contents 3 
General information 4 
1. DESCRIPTION ...............................................................................................................4 
2. OPERATING PRINCIPLE..................................................................................................4 
3. PRODUCTS TO AVOID....................................................................................................4 
4. APPLICATION ................................................................................................................4 
Installation 5 
1. RECEIVING THE BLENDER ..............................................................................................5 
2. TRANSPORTATION AND STORAGE ..................................................................................5 
3. LOCATION ....................................................................................................................5 
4. PIPES ...........................................................................................................................5 
5. DOUBLE MECHANICAL SEAL ...........................................................................................6 
6. ELECTRICAL INSTALLATION ...........................................................................................6 
Start-up 8 
1. START-UP .....................................................................................................................8 
Troubleshooting 9 
Maintenance 10 
1. GENERAL CONSIDERATIONS ........................................................................................10 
2. STORAGE....................................................................................................................10 
3. CLEANING...................................................................................................................10 
4. BLENDER DISASSEMBLY/ASSEMBLY ..............................................................................11 
Technical specifications 12 
1. TECHNICAL SPECIFICATIONS .......................................................................................12 
 
Paragraphs in italics refer to differences compared to the manual. 
Please consider the indications from those annex paragraphs as part 
of the complete blender manual. 

3. General information

3.1.

DESCRIPTION

The motors used for MM Ex series blenders must be suitable for operating in explosive atmospheres.

A centrifuge pump, an in-line mixer, a manual butterfly valve, all ATEX-certified.

The ATEX blender can come with optional accessories, including a lower/upper solids probe, a hopper shaker, a pneumatic

actuator - butterfly valve -, antivibration feet, and a control panel. All these additional devices have to be suitable for operating

in explosive atmospheres.

Also, blender table covered with a lid, confirmed through tests that the max. temperature that reaches in work does not exceed

the temperature range T4.

3.2.

OPERATING PRINCIPLE

This symbol appears with the safety instructions in this annex. Those instructions relate to the risk

of an explosive atmosphere forming or the generation of fire sources in hazardous atmospheres.

Please follow these instructions to avoid putting your life at risk.

The blender was chosen for specific pumping conditions and operating conditions.

3.3.

PRODUCTS TO AVOID

3.4.

APPLICATION

The blender was selected based on very specific pumping conditions and operating conditions in

explosive atmospheres. The different options were chosen when placing the order. INOXPA will not

be held responsible for any damage that may occur as a result of incomplete or incorrect information

supplied by the purchaser (the nature of the liquid, the viscosity, tr/min, classification of the zone

for potential explosive risk, gases emitted given the effect of this potentially explosive

atmosphere…).

The motors requiring use must have CE marking in accordance with the ATEX 2014/34/EU directive,

the manufacturer’s relevant indications, and the national or local regulations.

This equipment must be in line with the current regulations, and specifically, the local regulations,

decrees, dispositions, laws, directives, application bulletins, guidelines, workplace regulation, and

any other document related to the installation’s location.

4. Installation

4.1.

RECEIVING THE BLENDER

Check that the blender adapts to the operating conditions in the classified zone in accordance with

the expected conditions when the order was placed.

4.1.1. Blender identification

Please check the received package following the instructions included in this manual. Similarly, please check for the equipment’s

ATEX CE marking. This marking should be engraved on the manufacturer’s nameplate.

Please remember that this marking must also meet the order’s requirements.

ATEX CE marking engraved on the manufacturer’s nameplate.

4.2.

TRANSPORTATION AND STORAGE

If not using the blender immediately, please move it twice a week to prevent the impeller, mechanical seals, etc. from seizing

up.

4.3.

LOCATION

Place the blender close to a floor exhaust nozzle. Please remember that manipulating inflammable liquids can create a zone

classified for flows, such as zone 0. Please therefore follow the applicable safety indications.

The motors used must have CE marking in accordance with the ATEX 2014/34/EU directive, the manufacturer’s relevant

indications for those motors, and the national or local regulations.

The temperatures inside and outside the blender may increase considerably depending on the liquid that requires pumping:

4.4.

PIPES

Watch out for thermal expansion when pumping hot liquids. If required, use expansion joints and ensure that equipment

remains electrically connected (equipotential bonding) to the rest of the unit.

In the event of pumping inflammable liquids or explosives, use an adapted connection. Connect the

unit’s components to earthing points to reduce static electricity related risk.

Please remember that blender’s surface temperature depends on the normal temperature conditions

of the liquid being pumped. Therefore, the range of temperatures in section 4.1.1 must be taken into

account.

There needs to be a constant airflow in order to cool the blender’s motor. Ensure that there isn’t any

other equipment or surface close to the motor that can radiate additional heat or affect the cooling

of the motor. Consult the motor instruction manual.

II 2G Ex h IIB T4…T3 Gb

II 2D Ex h IIIB T125 ºC…T200 oC Db

II 2G Ex h IIB T4…T3 Gb

II 2D Ex h IIIB T125 ºC…T200 oC Db

4.4.1. Shut-off valves

Use valves with CE marking in accordance with the ATEX 2014/34/EU directive, the manufacturer’s

relevant indications for those valves, and the national or local regulations.

4.5.

DOUBLE MECHANICAL SEAL

An auxiliary liquid loop needs connecting in order to cool the mechanical seals. Ensure that this loop

is always full of liquid. Operating pressure 0-1 bar. Consult the mechanical seal instruction manual.

4.6.

ELECTRICAL INSTALLATION

Check the local electrical safety regulations and standards EN 60204-1 and EN 60079-14 prior to connecting an electric motor to

the mains.

Always follow the motor manufacturer’s indications.

Automatic switch

Please consider that the automatic switches may have to operate within a potentially explosive atmosphere, so they must be

selected with ATEX CE marking in accordance with the 2014/34/EU directive marking if required.

The control gear must comply with all current guidelines based on electrical safety regulations and

the ATEX motor manufacturer’s indications.

Connection

Consult the supplier’s instruction manual prior to connecting the motor to the mains. It must be an ATEX motor with suitable

protection for the work environment in which it will operate.

The electrical equipment, the terminals, and the components of control systems may still carry a

charge after being disconnected. Coming into contact with them may pose a risk to operator and

installation safety or cause irreversible damage to the material. Always follow the supplier’s

indications in order to open the motor safely.

Check that the blender’s suction and discharge pipe valves are open prior to starting up the blender.

Ensure that the blender stopped correctly prior to opening both valves.

Any filters installed into the suction pipe must comply with the ATEX 2014/34/EU directive. The

filters must be inspected regularly to prevent any blockages that could cause the blender to operate

without a liquid.

If required, connect solid level probes (see the supplier’s manual), as this will help to ensure that air

enters the diffuser, eliminating any risk of explosion from the zone.

If using the manual option, connect the butterfly valve in accordance with the manufacturer

instruction manual.

If required, connect the shaker in accordance with the supplier instruction manual.

Safe work permits need to be used when using the equipment in the presence of potentially

explosive atmospheres. We recommend performing this type of work in unclassified atmospheres

(there is no explosive atmosphere during use at the blender’s installed location).

Use the motor to control the rotation direction. The motor must not be connected to the blender.

Additionally, install suitable motor overload protections based on the motor’s nominal power.

5. Start-up

The persons responsible for the blender must be well informed about both the blender and the

safety instructions prior to start-up. Both this annex and the instruction manual are to be made

available to personnel at all times.

Adopt special safety measures, such as work permits, etc., in order to undertake all types of work in

potentially explosive atmospheres.

5.1.

START-UP

Starting up the blender can generate an explosive atmosphere, so use safe work permits.

Additionally, only qualified or trained personnel should carry out the tasks.

5.1.1. Checks prior to starting up the blender

Ensure that the hopper valve is closed.

Ensure that the blender’s suction and discharge pipe valves are open prior to starting up the blender.

If there is a simple seal (not chilled), the blender and the seal zone are to be flooded with pumping liquid prior to start-up.

In the absence of a flowmeter, the customer is to install a detection probe into the blender’s suction nozzle flow or any other

safety device to prevent the blender from operating without any liquid.

When pumping inflammable liquids, please consider the possibility of potentially explosive

atmospheres forming, and where necessary, use safe work permits.

5.1.2. Checks on starting up the blender

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