990.31 Threaded Connection Diaphragm Seal

The WIKA 990.31 threaded connection diaphragm seal is an all-plastic diaphragm with absolutely no metal in it. Becaus of its thread connection the 990.31 can be directly mounted to the process. 

Features:

  • All-plastic design
  • Metal-free
  • Process connection with thread for direct mounting, but also suitable for bonding (PVC-U) or welding (PP, PVDF)

Customer Service

Edward van Doorn
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