Burkert 2031 Manuel Utilisateur page 2

INTRODUCTION............................................................................................................................................. 2
1.1 GENERAL SAFETY INSTRUCTIONS......................................................................................... 3
1.2 DESCRIPTION OF THE DIAPHRAGM VALVE ....................................................................... 3
1.3 CONTROL FUNCTIONS OFFERED BY THE DIAPHRAGM VALVE............................. 3
INSTALLATION................................................................................................................................................ 4
2.1 RECOMMENDATIONS FOR INSTALLING THE VALVE..................................................... 4
2.1.1 Before installation............................................................................................................................................. 4
2.1.2 During installation............................................................................................................................................. 4
2.1.3 Installation for self-draining of the valve 2031 ........................................................................ 4
2.1.4 Installation of a tank outlet valve 2033 .......................................................................................... 5
SPECIFICATIONS.......................................................................................................................................... 6
3.1 GENERAL SPECIFICATIONS ........................................................................................................ 6
3.2 ACTUATOR SPECIFICATIONS ..................................................................................................... 6
3.3 DIAPHRAGM SPECIFICATIONS .................................................................................................. 7
3.4 VALVE BODY SPECIFICATIONS ................................................................................................. 8
MAINTENANCE............................................................................................................................................... 9
4.1 MAINTENANCE AND STORING................................................................................................... 9
4.1.1 Maintenance and order codes of the spare parts.................................................................. 9
4.1.2 Storing........................................................................................................................................................................ 9
4.2 DISMANTLING THE DIAPHRAGM VALVE 2031 ............................................................... 10
4.2.1 Spring-to-close (A) or double-acting (I) valves......................................................................11
4.2.2 Spring-to-open (B) valve..........................................................................................................................12
4.3 DISMANTLING THE DIAPHRAGM VALVE 2032 OR 2033........................................... 13
ANNEX ............................................................................................................................................................. 15
5.1 CONTINUOUS TEMPERATURE CONTROL ........................................................................ 15
5.2 CONTINUOUS PRESSURE CONTROL................................................................................. 15
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INTRODUCTION
Table of contents
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2031-2032-2033