Medical valve M20

medical gasstainless steel

M20 is a diaphragm valve for HP & UHP applications. Its springless design keeps the highest level of purity of the gas. The M20 is intended for low pressure up to 15 bar. Two actuation are available for purchase : multi-turn handwheel or pneumatic actuator. Key advantages 100% Helium Leak Test performed Available in sizes 3/4" to 1" to support a wide range of connections Assembling, testing & Packaging in cleanroom: Class ISO 4 Individual serial number for full traceability Electropolished surface roughness per SEMI F19 UHP Grade 316L VAR® stainless steel double melt per SEMI F20 option available Excellent purgeability due to optional purge ports Fluid specific seat material as standard options Replaceable seat Specifications Pneumatic actuator opening pressure 5 to 7 bar Flow capacity (cv) 3.5 Nominal seat diameter 20 Mm Nominal seat diameter > 700 bar Burst pressure ≤ 1 x 10-9 mbar.l/s Certified max. helium outboard leak rate ≤ 1 x 10-9 mbar.l/s Certified max. helium across the seat leak rate (at max. pressure) - ≤ 1 x 10-9 mbar.l/s Certified max. helium inboard leak rate (at max. pressure) ≤ 1 x 10-9 mbar.l/s