READ THESE INSTRUCTIONS FIRST!
These instructions provide information about safe handling and
operation of the valve.
If you require additional assistance, please contact the
manufacturer or manufacturer’s representative.
SAVE THESE INSTRUCTIONS!
Addresses and phone numbers are printed on the back cover.
Table of contents
GENERAL 3
Scope of the manual 3
Structure and operation 3
Actuator markings 3
Specifications 4
Recycling and disposal 6
Definitions 6
Safety precautions 6
TRANSPORTATION
AND STORAGE 7
MOUNTING
AND DEMOUNTING 7
Actuator gas supply 7
Installation information 7
Mounting the actuator on the valve 8
Operating directions 8
Setting 9
MAINTENANCE 9
Maintenance general 9
Maintenance precautions of
the RNP_E_C and RNP_E_A actuator 10
OPERATION 10
Operating Principle (Standard Mode)
for double acting 10
Operating Principle (Standard Mode)
for spring return– Fail CW 11
MAINTENANCE 11
Lubrication 11
DISASSEMBLY 11
ASSEMBLY FOR
DOUBLE ACTING &
STANDARD MODE
SPRING SPRING RETURN
(FAIL CLOCKWISE, CW) 13
MALFUNCTIONS 16
TOOLS 16
Tightening torque table 16
ORDERING SPARE PARTS 16
EXPLODED VIEWS
AND PARTS LIST 17
Double acting version 17
Single acting version 21
DIMENSIONS 25
HOW TO ORDER 26
IMO-218 EN - Issue 8/20202
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