Description

• Highly reliable devices utilizing the CCS Dual-Snap® Belleville disc spring principle pioneered by CCS’ engineers.
• Engineering based on aerospace technology.
• Rigid, compact and internally adjustable for factory setting or 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 capability.
• 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
• CRN

Download Product Data Sheet