This union nut tightens the SMS coupling, holding the male and liner parts together.
Where it is used
The nut is the part that is tightened during assembly and loosened during cleaning or maintenance.
Before you order
Send us the following and we will reply with a quote:
- Standard: DIN 11851 or SMS
- Nominal size (DN or inches)
- Stainless grade, 304 or 316L
- Quantity











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