Mas Grup
3
Temperature class
required by the
area classification
Ignition temperature of
gas or vapor
Allowable temperature
classes of equipment
The Usage in other non-mining explosive atmospheres
2. Category: High level of protection
For potentially explosive environments due to gases or vapors
ATEX Marking of the motor manufacturer
3. SAFE OPERATING CONDITIONS
This manual contains main safety instructions for the installation,
operation and maintenance. It must be read by the personnel who are
responsible for installation and operation. This manual should always be
kept near the installation location. It is important to comply with safety
precautions stated in page 1 along with the general safety instructions as
well as preventive measures repeated in other sections of this manual.
3.1. Training of Personnel
Installation, operation and maintenance personnel must have necessary
knowledge in order to accomplish the given job. The responsibility,
adequacies and controlling duties of such personnel must be determined
by the costumer. It has to be certain that these personnel comprehend
totally the content of the operating manual.
If the personnel do not have enough knowledge, required training must
be given by the costumer. If training support is needed by the costumer,
it will be provided by the manufacturer/seller.
Untrained personnel and unwillingness to comply with safety instructions
may be risky for both machine and environment. MAS DAF MAKINA
SANAYI A.Ş. is not responsible for this kind of damages.
3.2. Hazardous Conditions That May Occur When One does not
Comply With the Safety Instructions
Incompliance with safety regulations may put the personnel, the
environment and the machine in danger and thus may cause damages.
Incompliance with safety regulations may give rise to situations listed
below.
Important operational functions of the factory may stop.
Maintenance may get difficult.
One may get injured by electrical, mechanical or chemical hazards.
3.3. Safety Measures for Operator
Dangerous, hot or cold components in the pump area must be covered so
that one cannot touch them.
Moving components of the pump (such as coupling) must be covered so
that one cannot touch them. Those covers must not be dismounted while
the pump is running. Dangers that results from electrical connections
must be removed. To get more information about this subject, you can
refer to domestic electrical instructions.
3.4. Safety Measures for Maintenance and Installation
The costumer must assure that all maintenance, check and installment
tasks are performed by qualified personnel. Repair work must only be
performed while the machine is not running.
The pump and its auxiliary system must be cleaned thoroughly if it
contains hazardous liquids. At the end of the repair work, all safety and
protective equipment must be re-installed.
3.5. Informations about Protection against Explosion
The instructions specified intended for protection against explosion
should be noted definitely during commissioning of the pump unit in
environments with explosion risk.
Only pumps or pump units having related definitions and adequate
suitability must be used in environments with explosion risk. The
explosion protection should be noted that it is possible only with the use
according to the instructions.
Limit values specified at the ATEX version pump label must not be
exceeded definitely.
NOTE: If the categories are different depending on pump and motor
temperatures it applies the lowest category.
Ensure that the coupling used for accouplement of motor and pump has
ATEX sign.
Avoid all improper commissioning and installation in environments
with explosion risk. Otherwise, the pump unit and/or the staff can be
exposed to damage/injury. Consider the local explosion protection
regulations and the informations at ATEX version pump label.
Check whether ATEX specification on the motor and the pump
coincide with specified categories. Consider that If the categories of
the pump and the motor are different it applies the lowest category.
3.6. Spare Parts Replacement
Replacement of spare parts and all modifications must be done after
contacting with the manufacturer. Spare parts and accessories certified
by the manufacturer are important for the safe operation of the system.
Notice: MAS DAF MAKINA SANAYI A.Ş. is not responsible from the
usage of improper spare parts.
4. TECHNICAL INFORMATION
4.1. Design
Single stage, non-self priming in-line centrifugal pumps are furnished with
standard pumps and mechanical sealings.
4.1.1. Locations of Flange – Flanges
Discharge Flanges : DIN 2533-PN 16
Suction Flanges : DIN 2533-PN 16
4.1.2. Connection of Pump and Motor
Motor is close coupled to the pump with a rigid coupling using and an
adapter and flange. In this way, the shafts of the motor and pump
constitute a complete unit.
4.1.3. Impeller
The closed radial type impeller of the pump is balanced dynamically in
an electronic balance machine. The thrust (axial force) is balanced with
the back wear ring and balance holes.
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