Table Of Contents - Metso Neles L4 Series Intallation, Maintenance And Operating Instructions

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Table of Contents

1 GENERAL ..............................................................3
1.1 Scope of the manual ...........................................3
1.2 Valve description .................................................. 3
1.3 Valve markings ......................................................3
1.4 Technical specifications .....................................3
1.5 CE marking ..............................................................4
1.6 Recycling and disposal .......................................4
1.7 Safety precautions ...............................................4
2 TRANSPORTATION, RECEPTION AND
STORAGE ..............................................................4
3 INSTALLATION .....................................................4
3.1 General .....................................................................4
3.2 Mounting into the pipeline............................... 5
3.3 Actuator ...................................................................7
4 COMMISSIONING .................................................7
5 MAINTENANCE .....................................................7
5.1 Maintenance general ..........................................7
5.2 Removing the valve from the pipeline .........8
5.3 Replacing the gland packing ........................... 8
5.4 Valve leakage .........................................................9
5.5 Replacing the seat ring .................................... 10
5.6 Replacing the disc, shafts and bearings .... 11
5.7 Assembling the valve ....................................... 11
6 DETACHING AND INSTALLING THE
ACTUATOR .........................................................12
6.1 General ................................................................... 12
6.2 Detaching the B1 series actuators ............... 12
6.3 Detaching the EC and EJ actuators ............. 12
6.4 Installing the B1 series actuator ................... 12
6.5 Installing EC and EJ actuators ....................... 13
6.6 Detaching and installing other
actuator types..................................................... 14
6.7 Stop screw adjustment.................................... 14
7 TOOLS ................................................................ 16
8 ORDERING SPARE PARTS ..................................16
9 EXPLODED VIEW AND PARTS LIST ...................25
9.1 L6C, L6D ................................................................ 25
9.2 L6F ........................................................................... 26
10 DIMENSIONS AND WEIGHTS ........................... 27
11 TYPE CODE .........................................................33
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.
Addresses and phone numbers are printed on the back cover.
See also www.metso.com/valves for the latest documentation.
SAVE THESE INSTRUCTIONS!
Subject to change without notice.
All trademarks are property of their respective owners.
This product meets the requirements set by the Customs Union of the Republic of Belarus,
the Republic of Kazakhstan and the Russian Federation.
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