Mankenberg RP 824 Originalbetriebsanleitung Seite 24

Original operating manual
pilot-operated pressure regulators RP 824
With respect to the measures given above under the heading "REMEDY", fitting instructions are supplied
together with any spare parts.
Type of fault Action
Leakage at a reseal connection
connection of body
Tighten the screws clockwise (tighten flange screws crosswise).
parts (flange or
If the screws of the body connection have to be loosened or removed (= unscrewing
clamp ring)
in the anticlockwise direction):
DANGER! Danger to life due to pressurized pipeline. Repairwork may only be
carried out in an unpressurized pipe section.
To prevent any risk for operating personnel, make sure that this repair measure is
only carried out on a section of pipe that is not under pressure. Take note of
sectionSpecial hazards and then section Installation .
Leakage on the The valve must be repaired
bonnet:
The control mechanism (diaphragm, piston or bellows) is defective and hast to be
replaced: Repair necessary.
To prevent any risk for operating personnel, make sure that this repair measure is
only carried out when the valve is not under pressure. Take note of sectionSpecial
hazards .
RP 824-4.X.231 Issue 17.11.2023
WARNING! The pretensioned spring must be fully relaxed before a valve is
dismantled!
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