45
Exchanging the membrane regulator capsule
of equipment with DN 50
DANGER
Personnel working on pipes are exposed to
safety risks and may suffer severe injuries,
poisoning or even loss of life.
Make sure that no hot or hazardous
fluid is in the equipment or the pipes.
Make sure that the pipes upstream
and downstream of the equipment are
depressurised.
Make sure that the installation is
switched off and protected against
unauthorised or unintended activation.
Make sure that the equipment and the
pipes have cooled down to room
temperatures.
Wear protective clothing that is
suitable for the fluid and, if necessary,
wear protective gear.
For more information on suitable protective clothing
and safety gear refer to the safety data sheet of the
fluid in question.
Remove the cover as described in section
"
Removing cover of equipment with DN 50
from page 34 onwards.
Remove the hexagon nuts (43) and the
hexagon-head cap bolts (39).
You can now disassemble the regulator unit.
Take the adjustment screw (9) out of the
regulator unit.
Remove the guide plate (40).
Remove the sleeve (41) and the gasket (42)
from the cone (19).
Detach the capsule support (36) from the
regulator unit.
Detach the membrane regulator capsule (8)
from the seat (37).
To attach a new membrane regulator capsule to
the regulator unit press the capsule into the seat
until it snaps into place.
Push the capsule support onto the lift plate until
it hits the stop (21.).
Apply a light smear of lubricant to the threads of
the bolts and the underside the bolt heads.
The lubricant must have the same properties as
OKS 217.
Attention!
Equipment may leak if the gasket is
damaged.
Replace all gaskets that you loosen
during your work.
Use only new gaskets of the same
type.
