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neles NP726
metso automation neles NP726 User Manual
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POSITIONERS
Series NP
Installa
tion, Maintenance and
Oper
a
ting Instr
uctions
7 NP 72 en
Issue 5/02
2
Table of Contents
Default Chapter
2
Table of Contents
2
1 Introduction
3
Introduction
3
General
3
Operating Principle
3
Marking of Positioner
3
Technical Specifications
3
Approvals
4
Safety Precautions
4
2 Mounting on the Metso Automation Actuator
4
General
4
Installing Positioner NP700/S1 on Metso Automation Actuators with VDI/VDE 3845 Mounting Face
5
Installing Positioner NP700/S2 on Metso Automation B Series Actuators
5
NP_700/700 Positioner/Limit Switch Combination
5
Piping of Supply and Signal Air
5
Instrument Air Supply
8
3 Input Signal and Directions of Operation
8
Changeover Piece
8
Cam Plate
8
4 Preliminary Actions for the Adjustment
8
Position of the Changeover Piece
8
Pilot Valve
9
Position of the Cam Plate
9
5 Basic Adjustment
9
6 Α -ADJUSTMENT
9
7 Split-Range Adjustment
10
8 Maintenance
10
Supply Air Filter
10
Pilot Valve
11
Replacement of the Diaphragm
11
9 Trouble Shooting
11
10 Options
11
Natural Gas Construction
11
NP700/R Dust-Proof Construction (IP 65)
11
NP700/A with Pressure Gauges
11
Tools
11
12 Ordering Spare Parts
11
Drawings and Parts Lists
12
Exploded View and Parts List
12
Mounting Parts for B1C6-502 and B1J8-322 Actuators (S1)
14
Mounting Parts for Quadra-Powr Actuators (S1)
15
Mounting Parts for B1C6-20 and B1J8-20 Actuators (S2)
16
Mounting Parts for B1C25-502 and B1J25-322 Actuators (S2)
17
Type Code
18
5
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metso automation neles NP726 Specifications
General
Brand
metso automation
Model
neles NP726
Category
Valve Positioners
Language
English
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