Hazardous Areas
Adjustable Pressure Switch 
646V*E*  &  646GV*E -  Diaphragm Sensor

  • Highly reliable devices utilizing the CCS Dual-Snap® Belleville disc spring principle pioneered by CCS’ engineers.
  • Engineering based on aerospace technology.
  • Rigid, midsize and internally adjustable for convenient field set point adjustment.
  • Repeatable and stable set points.
  • Vibration and shock resistant.
  • High cycle life.
  • High over-pressure capability. (System and Proof)
  • Certified explosion proof hermetically sealed electrical assembly for environmental protection.
  • Various options for wetted materials  and electrical ratings to meet a wide range of application requirements and media compatibility.
  • Suitable for ultra low pressure and vacuum to pressure applications.

 

SERIES:   

  • 646V*E* 
  • 646GV*E*

ADJUSTABLE SET POINT RANGE:  

  • VACUUM:  
    • 1 to 28.5" Hg 
    • 25 to 724 mm Hg
  • CROSSOVER: Available Q1 2012 
    • 20” Hg Vacuum to 12 PSIG
    • 508 mm Hg to 0.83 bar

OPERATING TEMPERATURE:
Temperature limits change with O-ring selection.

  • -40° to 186°F 
  • -40° to 86°C

STANDARD FEATURES: 

  • Hermetically Sealed Electrical Assembly
  • CE Mark
  • Dual Seal: ANSI/ISA-12.27.01-2003
  • NACE MRO175 / ISO 15156
  • NEMA: 4, 7, 9,13 / IP66
  • U.L. / CSA Listed
  • CRN

    Available Q1 2012

Download Product Data Sheet

 

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