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ASCO™ Series RCS Redundant Control System

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The ASCO Series RCS redundant control system is a pilot valve system with no single point of failure that can result in unwanted closure of the process valve. It is suitable for use in SIL 3 applications and greatly reduces spurious trip rates. The ASCO Series RCS achieves a higher level of process safety and reliability by using a redundant, fault-tolerant architecture, high diagnostic coverage, and automated testing. It is available in a variety of constructions that provide valve diagnostics through automated, partial-stroke testing. The availability and reliability of The ASCO Series RCS provides the customer´s best choice for process valve diagnostics and actuation.

Specifications

Valve ActuationSolenoid - Air Pilot
Body MaterialAluminum, Engineered Plastics, Stainless Steel
MediaAir, Inert Gas
Port TypeNPTF
FunctionRedundant valves in 2oo2 or 2oo3 configuration (Normally Closed or Normally Open)
FlowFrom 2.0 Cv to 3.0 Cv (Process to Exhaust Cv typical in Normally Closed constructions)
Voltage110 AC, 120 AC, 230 AC, 12 DC, 24 DC, 48 DC, 120 DC
Max Differential / Max Operating PressureVacuum to 150 PSIG
Operating EnvironmentCorrosive, Hazardous, Indoor, Outdoor
Operating EnvironmentHazardous
Standards / RegulationsIEC 60529 (Ingress protection), ATEX, ISO, IP65