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Metso NP724 User Manual

Metso NP724
20 pages
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Positioners
Series NP700
Installation, Maintenance and
Operating Instructions
7 NP 72 en • 11/2014
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Metso NP724 Specifications

General IconGeneral
BrandMetso
ModelNP724
CategoryValve Positioners
LanguageEnglish

Summary

INTRODUCTION

Principle of operation

Explains the force balance principle of the positioner.

Technical specifications

Details signal ranges, angles, pressures, temperatures, and materials.

Safety precautions

Critical warnings for safe operation and maintenance.

MOUNTING ON THE METSO ACTUATOR

Installing positioner NP700/S1 on Metso actuators with VDI/VDE 3845 mounting face

Step-by-step guide for mounting the positioner on specific actuators.

Piping of supply air

Guidance on connecting air supply and signal air lines.

Instrument air supply

Specifies requirements for clean, dry, and oil-free instrument air.

INPUT SIGNAL AND DIRECTIONS OF OPERATION

BASIC ADJUSTMENT

α₀ ADJUSTMENT

MAINTENANCE

Pilot valve

Procedure for removing and installing the pilot valve.

Replacement of the diaphragms

Steps for replacing the positioner's diaphragms.

TROUBLESHOOTING

DRAWINGS AND PARTS LISTS

TYPE CODE

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