Expo-Telektron Safety Systems MiniPurge Z & Y Purge Manual ...

Expo-Telektron MiniPurge Handbook ML 307 Issue A
TABLE OF CONTENTS
Page 1-2
1 LIST OF FIGURES.........................................................................................................1-4
2 LIST OF TABLES...........................................................................................................2-4
3 ORGANISATION OF THIS MANUAL ............................................................................3-1
4 DESCRIPTION AND PRINCIPLE OF OPERATION .....................................................4-1
4.1 Specification Sheet .....................................................................................................4-2
4.2 Common Elements......................................................................................................4-3
4.3 The Methods of Pressurizing......................................................................................4-4
4.3.1 CF-Continuous Flow ...........................................................................................4-4
4.3.2 LC- Leakage compensation................................................................................4-5
5 TYPE OF OUTPUT ........................................................................................................5-1
5.1 PO- Pneumatic output.................................................................................................5-1
5.2 IS - Intrinsically Safe Output .......................................................................................5-1
5.3 Certification..................................................................................................................5-1
5.4 Equipment components ..............................................................................................5-1
5.4.1 Control Unit (CU)................................................................................................5-2
5.4.2 Relief Valve (RLV)...............................................................................................5-2
5.4.3 Spark Arrestor /Calibrated Outlet Orifice (SAU) .................................................5-2
6 INSTALLATION OF THE SYSTEM ...............................................................................6-1
6.1 Identification of system components...........................................................................6-1
6.2 Location.......................................................................................................................6-1
6.2.1 Internal Gas Release..................................................................................................6-1
6.3 Multiple Enclosures.....................................................................................................6-1
6.4 Control Unit (CU).........................................................................................................6-2
6.5 Relief Valve (RLV) and Spark Arrestor Unit (SAU) ....................................................6-2
6.6 Interconnection............................................................................................................6-2