GEMÜ 650 Pneumatic Diaphragm Valve DN20 3/4" PN16 316L SS PTFE Sanitary Clamp

High-purity GEMÜ Series 650 metal diaphragm valve designed for pharmaceutical, biotech, and hygienic process environments. This unit features a pneumatic spring-return actuator (version D) and PTFE diaphragm, providing excellent chemical resistance and cleanability for validated systems.

Manufactured in Germany and dated 2020–2021, this valve was removed as surplus from a regulated pharmaceutical facility in Kalamazoo, MI. Unit is untested but documented as working when removed from service. Red protective air-port cap and clean sanitary ends suggest controlled handling.

Key Specifications
  • DN20 / 3/4" nominal size
  • PN16 pressure rating (≈232 PSI)
  • 316L stainless steel body
  • PTFE diaphragm
  • Pneumatic spring-return actuator (Version D)
  • Sanitary clamp (Tri-Clamp) connections
  • Made in Germany - dated 2021
Included Documentation
  • EN 10204 3.1 Inspection Certificate
  • Pressure Test Report
  • Surface Roughness (RA) Report
  • Welding Documentation
  • EU & FDA Declarations of Conformity