OPERATIVE MANUAL
MN-L20-A1
DC-18-10
MEC-RELA®
- www.mecrela.it – mecrela@terranova-instruments.com
a TERRANOVA® Srl brand
- www.terranova-instruments.com - VAT IT07848810151
Factory & Sales: Via Gramsci 1 – 26827 Terranova dei Passerini (LO) – Italy
Head Office: Via Rosso Medardo 16 – 20159 Milano – Italy Ph: +39 0377 919119 – Fax: +39 0377
855720
Pa
g.
5
/24
3
SAFETY INFORMATIONS
The safe operation of this product is ensured only if it is installed, commissioned, used and
maintained in an appropriate way by qualified personnel in compliance with the operating
instructions.
3.1
I
NTENDED
U
SE
Verify that the valve is suitable for the intended use and application by checking:
that the material of which the valve is made up of is compatible with the process
fluid.
that the valve is suitable for the pressures and temperatures of the process fluid.
that a suitable safety device is fitted to the system to prevent any hazardous
overpressures or overtemperature in the system.
Mec-Rela valves are not intended to withstand any external stresses which can be induced
by the systems in which they are inserted. The installer must take account of these
stresses and take the appropriate measures to prevent them.
3.2
A
CCESS
Ensure safe access and, if required, a safe working platform (with a suitable protection) is
provided, before operating or installing the product. Arrange the suitable lifting means, if
required.
3.3
L
IGHTING
Ensure the area around the valve is adequately lit and is suitable to safely work on the
valve.
3.4
H
AZARDOUS
F
LUIDS
I
N
T
HE
P
IPE
Take account of the content of the pipe (process fluid) or anything it may have previously
contained. Take special safety precautions where flammable, hazardous substances are
present, or where fluid pressure or temperature may be hazardous to health.
3.5
E
NVIRONMENTAL
S
ITUATIONS
Take account of: areas at risk of explosion, lack of oxygen (such as tanks, wells, etc.…),
hazardous gases, temperature limits, high or low temperature surfaces, risk of fire (for
example during welding operations), excessive noise, moving machines.
3.6
T
EMPERATURE
Wait until the temperature normalizes after the interception to prevent any risks of burn
or freezing.