Fig.32
For nominal widths up to DN 50 or 2”, different seals may be required. For further
details and small nominal width please refer to the spare parts list.
10.7.3 Lubricating seals and threads
Caution!
Damage to seals and threads
Stainless steel threads tend to seize and cold weld and must be greased.
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.
Carry out the following steps:
1.
Apply a light film of lubricant to all threads.
Maintenance
Maintenance
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Содержание VARIVENT DN 25
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