Parker Autoclave Engineers offers Needle Valves for applications from full vacuum to 150,000 psi that can be Pneumatically Actuated (on/off) with spring return or Electrically Actuated for Flow Control using the Regulating Stem option and a 4-20mA control input. We have valves from 1/16” to 1 ½” tube sizes and ¼” to 1” NPT with […]
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