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Home  > Valve Components > Million Cycle Circular Gate Valves > Del-Seal® 3 3/8" 50mm ports > Accessories


  • Viton® 0-ring sealed gates
  • Stainless Steel Construction
  • Manual or Electropneumatic Operation

Del-Seal® 3 3/8" 50mm ports

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All pneumatic valves are supplied with 24V DC air control solenoids as standard.
Temperature Range

Bakeability under vacuum in Open-Closed positions, with the following Bonnet-Gate Seal combinations.
Series Open Closed Bonnet Gate
UHV 200ºC 150ºC Copper Viton®
UHV 250ºC 200ºC Copper Kalrez®
HV 150ºC 150ºC Viton® Viton®
When ordering gate valve options, please add the option number(s) to the end of the desired UHV or HV series gate valve part number listed above.
For conversion tables click here
  • 3 3/8" (DN50CF) is not an international ISO size
  • When ordering gasket kits please supply serial number of valve to ensure we supply the correct kit
  • Each gasket kit contains one bonnet and one gate seal

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This product references the following part numbers: