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Original document - Mi-205 EN Edition: 2021-04
6.4.2 Cleaning, lubrication and assembly 41
6.5 Replacing the PTFE seat 42
6.5.1 Disassembly 43
6.5.2 Cleaning, lubrication and assembly 43
6.6 Replacing the Fire safe seat 44
6.6.1 Disassembly 45
6.6.2 Cleaning, lubrication and assembly 45
6.7 Adjustment of the end position on pneumatic actuator 46
6.7.1 Setting of the ”closed” position on the butterfly valve 47
6.7.2 Setting of the ”open” position on the butterfly valve 47
6.8 Adjustment of the end position on gear 48
6.8.1 Setting of the ”closed” position on the butterfly valve 49
6.8.2 Setting of the ”open” position on the butterfly valve 49
6.9 Leak test of the valve 50
6.10 Components 52
6.10.1 MTV DN 80-150, with metal seat 52
6.10.2 MTV DN 200-300, with metal seat 53
6.10.3 MTV DN 350-500, with metal seat 54
6.10.4 MTV DN 80-150, with PTFE seat 55
6.10.5 MTV DN 200-300, with PTFE seat 56
6.10.6 MTV DN 350-500, with PTFE seat 57
6.10.7 FSV DN 100-150, with Fire safe seat 58
6.10.8 FSV DN 200-500, with Fire safe seat 59
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