Keofitt SESAME series, Руководство пользователя

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SESAME USER MANUAL V. 4 PAGE 6
11. WELDING INSTRUCTIONS ............................................................................................ 32
11.1 Welding method ..............................................................................................................................32
11.2 Guideline welding values ...............................................................................................................32
12. BLOCK DIAGRAMS ...................................................................................................... 33
12.1 Keofitt valve type T (tank) ..............................................................................................................33
12.2 Keofitt valve type P (pipe) ..............................................................................................................33
12.3 Keofitt valve type clamp connection .............................................................................................34
12.4 Keofitt valve type Varivent® ............................................................................................................34
13. MAINTENANCE .......................................................................................................... 35
13.1 Maintainance ...................................................................................................................................35
13.2 Spare parts list ................................................................................................................................35
13.3 Disassembly and assembly of valve body and head .....................................................................36
13.4 Replacing a rubber membrane .....................................................................................................36
13.5 Instructions on replacing a PTFE membrane ...............................................................................37
13.6 Cleaning valve head .......................................................................................................................38
14. FAILURE MODES ....................................................................................................... 39
14.1 Broken membrane tip: ...................................................................................................................39
14.2 Broken membrane side:.................................................................................................................39
14.3 Broken integrated o-ring: ..............................................................................................................39
14.4 Cleaning the valve after a failure: ..................................................................................................39
15. MEMBRANES ............................................................................................................. 40
15.1 Silicone membrane - art. no. 890051 .............................................................................................40
15.2 EPDM membrane - art. no. 890052.................................................................................................41
15.3 PTFE membrane - art. no. 890055 ..................................................................................................42