Compressed Gas

6674 Series: 316L Stainless Steel Diaphragm Valves

  • Proven leak-tight diaphragm seal for all specialty gas applications
  • Forged 316L stainless steel body to withstand severe service conditions.
  • Low operating torque design to ensure ease of operation during filling and use.
  • Especially suitable in applications where purging of the cylinder under high vacuum is required.
  • Available with unitized pressure relief device having fuse-metal backed or unbacked burst disc.
  • FDA recognized for service in medical applications.
  • Optional tapped inlet threads for dip tube assembly
  • Available with standard CGA connections as well as International inlets and outlets
 
6674 SERIES - 316L SS PACKLESS DIAPHRAGM VALVES
Valve Series Inlet Thread Size PRD
6674 Series 3/4" - 14NGT None
6674D Series 1/2" - 14NGT None
6674DPM Series 1/2" - 14NGT CG-4 Platinum Disc
6674S Series 3/4" - 14NGT CG-1 Stainless Steel Disc
6674NM Series 3/4" - 14NGT CG-4 Nickel Disc
6674PM Series 3/4" - 14NGT CG-4 Platinum Disc
6674SM Series 3/4" - 14NGT CG-4 Stainless Steel Disc

 

  • Optional: flow restrictor tapping, dip tube tapping, electropolishing, and DISS outlets.
  • For more information on available valve configurations, please contact factory or your local Sherwood distributor.