AirSep AS-Q, Instruction Manual

Page: 128 / 198

128 AS-Q—AS-Z Series Instruction Manual
AirSep Corporation
TABLE OF CONTENTS
1. GENERAL ................................................................... 3
1.1 Scope of the Manual .................................................... 3
1.2 Offset Shaft Design ....................................................... 3
1.3 Positive Stop Feature.................................................... 3
1.4 Actuation .......................................................................... 3
1.5 Wafer Body Design ........................................................ 3
1.6 Snap-in Inserts ................................................................ 3
1.7 Valve Markings ............................................................... 4
1.8 Safety Precautions ......................................................... 4
2. TRANSPORTATION AND STORAGE .......................... 5
3. INSTALLATION .......................................................... 5
3.1 General .............................................................................. 5
3.2 Installing in the pipeline ............................................. 5
3.3 Valve Insulation .............................................................. 6
3.4 Actuator ............................................................................ 6
3.5 Commissioning .............................................................. 6
4. MAINTENANCE ......................................................... 6
4.1 General .............................................................................. 6
4.2 Actuated Valve ................................................................ 7
4.3 Valve Removal ................................................................ 7
4.4 Seat Replacement Standard Valves ......................... 8
4.5 Seat Replacement Fire-Tite
® Valves ........................ 8
4.6 Shaft Seal Replacement .............................................. 9
4.7 Valve Disassembly .......................................................10
4.8 Checking Parts ..............................................................10
4.9 Valve Assembly.............................................................10
4.10 Testing the Valve ..........................................................11
5. MANUAL HANDLES ................................................ 12
5.1 General ............................................................................12
5.2 Change of Handle Quadrant ...................................12
5.3 Setting Handle Stop ...................................................12
6. ACTUATOR .............................................................. 12
6.1 Actuator Mounting Instructions ............................13
6.2 Direct Drive Mounting ...............................................13
7. REPAIR KITS ............................................................ 14
8. SERVICE / SPARE PART ........................................... 14
IMO 1/18
2 IMO-308 EN
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!