GESTRA BA 46, Original Installation Instructions

Page: 5 / 48

5
Safety
Use for the intended purpose
The continuous blowdown valves below are used for
removing boiler blowdown from steam generating
units:

Continuous blowdown valve BA 46 (manual
operation)

Continuous blowdown valve BA 47 (manual
operation)

Continuous blowdown valve BAE 46 (electric
actuation)

Continuous blowdown valve BAE 47 (electric
actuation)
The equipment must only be used within the
allowable pressure and temperature limits and only
if the chemical and corrosive influences on the
equipment are taken into account.
Correct use includes compliance with the
instructions given in this installation & operating
manual, in particular obedience to all safety
instructions.
Usage for the intended purpose also includes
reading and adhering to all instructions in the
installation and operating manual for the actuator (if
present).
Any other use of the equipment is considered to be
improper.
Note that the equipment is also used incorrectly if
the materials of the equipment are not suitable for
the fluid.
The equipment is also considered to be used
improperly if:

the equipment is not in proper working condition
when being used

the equipment is operated or serviced by
unqualified personnel. The personnel must have
the necessary qualification and experience for
the required work.

the equipment is operated using an actuator not
approved by the manufacturer.

the equipment is operated with a control system
not approved by the manufacturer.
Basic safety notes
Explosion hazard

Explosion risk if equipment is used that is not
suitable for the environmental conditions. When
using the equipment in explosion risk areas
make sure that:

The permissible surface temperature of the
equipment for the place of installation must
not be exceeded.

If electrically insulated equipment is installed
appropriate measures must be taken to
discharge any static electricity between pipe
flanges.

The heat generated by friction caused by
moving parts that do not run smoothly can
cause explosions. Make sure that all moving
parts can operate smoothly.

When carrying out welding work in order to
install or remove the equipment flying sparks
may be generated that can cause fire or
explosion. Observe any on-site regulations for
fire and explosion prevention.
Only qualified personnel is allowed to mount or
remove the equipment or its components.

Only equipment types BA 46 and BA 47 may be
used in potentially explosive atmospheres.
Do not use equipment types BAE 46 or BAE 47
in potentially explosive atmospheres.