metso automation neles NP723

POSITIONERS
Series NP
Installation, Maintenance and
Operating Instructions
7 NP 72 en
Issue 5/02

metso automation neles NP723 Specifications

General

Brand	metso automation
Model	neles NP723
Category	Valve Positioners
Language	English

Summary

1 INTRODUCTION

1.2 Operating principle

Explanation of how the positioner works based on force balance.

1.4 Technical specifications

Key performance and operational parameters.

1.7 Safety precautions

Crucial safety warnings for handling and operation.

2 MOUNTING ON THE METSO AUTOMATION ACTUATOR

2.2 Installing positioner NP700 S1 on Metso Automation actuators with VDIVDE 3845 mounting face

Step-by-step guide for S1 installation on specific actuators.

2.3 Installing positioner NP700 S2 on Metso Automation Series B actuators

Guide for installing S2 on Series B actuators.

2.5 Piping of supply and signal air

Guidance on connecting air supply and signal lines.

2.6 Instrument air supply

4 PRELIMINARY ACTIONS FOR THE ADJUSTMENT

4.3 Position of the cam plate

5 BASIC ADJUSTMENT

6 -ADJUSTMENT

7 SPLIT-RANGE ADJUSTMENT

8 MAINTENANCE

8.2 Pilot valve

8.3 Replacement of the diaphragm

9 TROUBLE SHOOTING

13 DRAWINGS AND PARTS LISTS

13.2 Mounting parts for B1 C6-502 and B1 J8-322 actuators (S1)

Specific mounting parts for B1C/B1J actuators.

13.3 Mounting parts for Quadra-Powr actuators (S1)

Mounting parts for Quadra-Powr actuators.

13.4 Mounting parts for B1 C6-20 and B1 J8-20 actuators (S2)

Mounting parts for B1C/B1J actuators (S2).

13.5 Mounting parts for B1 C25-502 and B1 J25-322 actuators (S2)