
DV-1/4 Turn IOM - 11/06
3
0.0 GENERAL INFORMATION
The latest edition of this manual can be found on the
website listed within this manual.
s
!
WARNING
The safety precautions in these operating
instructions are specially marked with the
standard symbol for danger when
non-observance could result in personal injury,
loss of life or property damage.
l
!
CAUTION
Non-observance of these safety precautions
can endanger the valve and its functions.
0.1.1 QUALIFICATIONS AND TRAINING
OF PERSONNEL
The personnel responsible for operation,
maintenance, inspection and assembly must be
appropriately qualified.
The operating company must precisely define the
responsibilities, competence and supervision of the
personnel. If the personnel lack the necessary
knowledge, they are to be trained and instructed. If
required this can be carried out by the
manufacturer/supplier of the valve by order of the
operating company. Furthermore, the operating
company is to ensure that the contents of the
operating instructions have been fully understood by
the personnel.
0.1.2 DANGERS THROUGH
NON-OBSERVANCE OF THE SAFETY
PRECAUTIONS
The non-observance of the safety precautions can
result in the endangering of lives as well as the
environment and the valve. The non-observance of
the safety precautions can lead to the loss of all
claims for damages.
Non-observance can result in the following:
-
Failure of important functions of the valve/plant.
-
Endangering of lives by electrical, mechanical
and chemical influences.
-
Endangering the environment through leakage
of dangerous materials.
Personal injury or property damage.
0.1.3 SAFETY AWARENESS AT WORK
Attention must be paid to the safety precautions in
these operating instructions, the current national
regulations concerning the prevention of accidents as
well as any labor, company and safety-regulations of
the operating company.
0.1.4 SAFETY PRECAUTIONS FOR THE
OPERATING COMPANY / INDIVIDUAL
OPERATOR
-
If hot or cold components of the valves are a
source of danger, these components must be
secured against contact by operating company.
-
Contact guard for moving parts may not be
removed when valve is in operation.
-
Do not hang items off the valves. Any
accessories must be firmly or permanently
attached.
-
Do not use the product as a step or hand hold.
-
Do not paint over identification tag, warnings,
notices or other identification marks associated
with the product.
-
Plastic PTFE diaphragms emit toxic fumes due
to thermal decomposition at temperatures of
716
°
F (380
°
C) or greater.
0.1.5 SAFETY PRECAUTIONS FOR
MAINTENANCE, INSPECTION AND
ASSEMBLY
Work on externally actuated valves should only be
carried out when the valve is removed from service.
Valves that have been exposed to harmful media
such as caustic chemicals must be decontaminated.
On completion of work, all safety and protective
equipment must immediately be fitted again or
reactivated.
Before the re-operation, attention should be paid to
the points in the following sections.
0.1.6 UNAUTHORIZED
RECONSTRUCTION AND MANUFACTURE
OF SPARE PARTS
Reconstruction or modification of the valve is only
admissible after consultation with the manufacturer.
Genuine spare parts and accessories authorized by
the manufacturer serve to maintain safety. The use of
other parts can annul all liability for the
consequences.
Manufacturer's parts are not to be used in conjunction
with products not supplied by the manufacturer. The
use of manufacturer's parts with products not supplied
by the manufacturer can annul all liability for the
consequences.
0.1.7 INADMISSIBLE MODES OF
OPERATION
The operational reliability of the valve supplied is only
guaranteed when used as designated. The operating
limits given on the identification tag and in the data
sheet may not be exceeded under any circumstances.
If the product label is missing or worn contact
manufacturer at the address listed within this manual
for specific instructions.