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523 Series AutoSwitch

Enclosed pressure differential switchover with stainless steel internals for ultra-high purity gas applications
5233004-01-001 shown

The stainless steel 523 Series AutoSwitch is a continuous gas delivery system for ultra-high purity or corrosive gas service. Typically used in laboratory or process plants, the 523 AutoSwitch automatically changes cylinder or bank priority from the primary source to a reserve supply without transmitting pressure fluctuations to the use line. The AutoSwitch may be used with one cylinder per side, or with a manifold that has increased storage capacity, like the CONCOA 52 Series maniflex manifold. Options for the 523 Series AutoSwitch include internal pressure switches with warning lights for cylinder depletion or internal pressure transducers without warning lights. Both may be used with the CONCOA Altos 2™ alarm.

  • 400 Series stainless steel CAPSULE® seat components feature integral 360° filtration
  • Metal-to-metal seals prevent the possibility of gas contamination
  • Integral line regulator provides stable line pressure during a changeover
  • Variable line pressure permits on-site line pressure changes
  • Single knob priority valve ensures uninterrupted cylinder priority changeover
  • Optional intrinsic safety barriers support use with flammable gases or in hazardous areas
  • Optional captured venting and pipe away relief ensure safe use with hazardous gases
  • Optional manifold extension system allows simple field expandability
  • Max inlet pressure: 3000 PSIG (210 BAR)
  • Temperature range: -40°F to 140°F (-40°C to 60°C)
  • Max flow: 600 SCFH (283 LPM) @100 PSIG (7 BAR)
  • Cv: 0.1
  • Inlet connections: 1/2 in FNPT
  • Outlet connections: 1/4 in stainless steel compression tube
  • Relief valve outlet: 1/2 in FNPT
  • Helium leak integrity: 1 x 10⁻⁸ scc/sec
  • Weight: 40 lbs (18 kg)
  • Priority valve: 316L stainless steel barstock
  • Line regulator: 316L stainless steel barstock
  • Diaphragms: 316L stainless steel
  • Enclosure: NEMA 12, powder-coated steel
  • Tubing and fittings: 316L stainless steel
  • Seats: PTFE (line regulators); PCTFE (inlet regulators)
  • Internal seals: PTFE
  • Gauges: 316L stainless steel
  • Pressure switches (optional): Field-settable on inlet gauge; dry contact (opens below set point)
  • Check valves: 316L stainless steel with FKM seals
  • Standard transducers (optional): 0-6000 PSIG (4-20 mA output)
  • Intrinsically safe transducers (optional): 0-5000 PSIG (4-20 mA output)
  • Conformances: Cleanliness meets or exceeds CGA G-4.1; ANSI/ASME B40.1; PED 2014/68/EU; CRN OH5216.5; CRN OH17950.5
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See catalog page for ordering information.

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Document
Language
ID Number
Revision
523 Series AutoSwitch Catalog Page
English
RS523AS
AG
523 Series AutoSwitch Installation and Operation
English
ADI3197
C
CRN File OH17950
English
CRNOH17950
26
CRN File OH5216
English
CRNOH5216
26

WARNING: This product can expose you to chemicals including Lead, Chromium, Nickel, and 1-3 Butadiene, which are known to the state of California to cause cancer, birth defects, or other reproductive harm. And, this product can expose you to chemicals including Bisphenol A (BPA) which is known to the State of California to cause female reproductive harm. For more information go to www. PSWarnings.ca.gov.

Altos 2™ is a registered trademark of Controls Corporation of America ; CAPSULE® is a registered trademark of Controls Corporation of America
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