Instruction and Operation Manual
- 1 -
1.
General
Thanks for your selection of SPECS's globe valve. As a type of pressure equipment, valve has
potential hazards of pressure and creation of explosive atmosphere resulting from leakage of
process fluid
. For the safety purpose, user shall read this instruction to know what SPECS has
already taken into account in our design and manufacture
, and what action shall be taken by user
according to essential health and safety requirements of European Directive 97/23/EC
(PED) and
94/9/EC
(Atex).
2.
Essential health & safety requirements of PED/Atex and solution
2.1
What
’
s
SPECS
design
idea
-Globe valve is designed as standard product, no consideration of each specific service
condition since its too wide
.
-Globe valve is designed to BS1873, valve has adequate strength according to ASME B16.34
pressure-temperature rating
. The globe valve was EC-type approved by
European Notified Body
.
-Valve has different sealing materials in accordance with BS1873, which are
corrosion/wear resistance to certain type of fluid
.
-Valve contains no light metal (such as Mg) and all parts are electricity conductive and
connected together to prevent ignite resource
.
-Valve is designed with hand wheel, or gear operator or electric actuator according to its size and
torque
, and operation requirements.
2.2
What action user shall taken
2.2.1
General
2.2.1.1
In any occurrence, first ensure personnel safety.
2.2.1.2
Use the valves in accordance with ASME B16.34 pressure-temperature rating.
2.2.1.3
Make sure that the selected valve materials are corrosion/wear resistance to the service
fluid
.
2.2.1.4
Where the service fluid is flammable/explosive, to limit the working temperature.
2.2.1.5
When performing Repair/maintenance operations, make sure that the valves are always
depressurized
, vented and drained.
2.2.1.6
For actuator operated valves, make sure all supply lines (Electrical, hydraulic, Air) are
disconnected before starting any operation.
2.2.1.7
When performing Repair/maintenance operations, always use appropriate protection
e
.g. protective clothing, (oxygen) masks, gloves, etc.
2.2.1.8
When performing Repair/maintenance operations, do not smoke, do not use any
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