Fig.34
6.
Then use both palms to press the valve seat seal in place in the radial groove.
!
Make sure the valve seat seal "clicks" into the radial groove. The audible
clicking noise indicates that the seal has been fitted correctly.
!
The valve may not be totally leak-proof after a new TEFASEP gold valve
seat seal has been fitted. The valve seat seal will adjust itself optimally to the
sealing surfaces only after the first CIP or SIP cleaning (see ) and will then
guarantee perfect sealing up to the maximum closing pressure or vacuum.
Fig.35
?
The valve seat seal is still too rigid and cannot be mounted?
®
Heat the valve seat seal again as described in the first step.
?
When mounting the valve seat seal, the seal does not "click" into place any
more?
The valve seat seal has been overheated and can no longer be used.
®
Repeat the operation with a new valve seat seal.
®
Observe the data specified for heating the valve seat seal.
®
The valve seat seal has been removed.
10.7.4 Lubricating Seals and Threads
Caution!
Damage to seals and threads
Damage to seals and threads can result in malfunction.
► Ensure that an adequate film of lubricant is applied. No grease residues
must be visible once the valve has been assembled completely.
► For product contact seals only use suitable greases and oils.
► Observe the safety data sheets issued by the lubricant manufacturer!
Maintenance
Maintenance
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Содержание VARIVENT N
Страница 62: ...13 Parts list shut off valve N Fig 43 Fig 44 Parts list shut off valve N 430BAL008302EN_10 62 16 03 2023...
Страница 70: ...14 Parts list shut off valve N_V Fig 45 Fig 46 Parts list shut off valve N_V 430BAL008302EN_10 70 16 03 2023...
Страница 75: ...15 Parts list shut off valve U Fig 47 Parts list shut off valve U 430BAL008302EN_10 16 03 2023 75...
Страница 76: ...Fig 48 Parts list shut off valve U 430BAL008302EN_10 76 16 03 2023...
Страница 83: ...16 Parts list shut off valve U_V Fig 49 Fig 50 Parts list shut off valve U_V 430BAL008302EN_10 16 03 2023 83...
Страница 86: ...17 Parts list shut off valve U_R Fig 51 Parts list shut off valve U_R 430BAL008302EN_10 86 16 03 2023...
Страница 87: ...Fig 52 Parts list shut off valve U_R 430BAL008302EN_10 16 03 2023 87...
Страница 94: ...18 Dimension sheet shut off valve N Fig 53 Dimension sheet shut off valve N 430BAL008302EN_10 94 16 03 2023...
Страница 96: ...19 Dimension sheet shut off valve U Fig 54 Dimension sheet shut off valve U 430BAL008302EN_10 96 16 03 2023...
Страница 103: ...Appendix 430BAL008302EN_10 16 03 2023 103...
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