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ASCO™ Series 390 Pressure-Operated Valves

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The ASCO Series 390 are pressure-operated, remote-controlled valves with discs for industrial fluid media; Standards / Regulations: IEC 61508, SIL, ATEX, ISO, IEC 60529 (Ingress protection), IP66; Body Material: Bronze; Media: Air, Inert Gas, Hot Water, Light Oil, Water, Steam
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  • Valve Actuation: Pressure Operated, Pneumatic – Air Pilot
  • Body Material: Bronze
  • Media: Air, Inert Gas, Hot Water, Light Oil, Water, Steam
  • Pipe / Port Size: 1/2 “; 3/4 “; 1 “; 1 1/4 “; 1 1/2 “; 2 “; DN25; DN32; DN40; DN50; DN65; 12 mm; 10 mm
  • Port Type: G ISO228/1-G BSPP, NPTF
  • Function: 3/2 Normally Closed, 3/2 Normally Open
  • Flow: From 5.19 to 12 Kv, Over 12 kv
  • Max Differential / Max Operating Pressure: 10.3-34.5 Bar, Vacuum to 10.3 Bar
  • Standards / Regulations: IEC 61508, SIL, ATEX, ISO, IEC 60529 (Ingress protection), IP66

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At a glance:

  • The ASCO Series 390 are pressure-operated, remote-controlled valves with discs for industrial fluid media.
  • An anti-water hammer design has fluid entry under the disc for quiet operation.
  • The valves feature long service life in high-cycling applications.
  • A wide range of piston-type operators (63 – 90 -125 mm diameters) are rotatable through 360° for maximum performance at different minimum pilot pressures.
  • The 390 Series is suitable for automotive, bottling, commercial laundry equipment, and heating and cooling circuit applications.

Features:

  • High flow capability
  • Back pressure resistant
  • Maintenance-free actuators
  • Satisfies Pressure Equipment Directive 2014/68/EU, category 1 (DN > 25) or article 4.3 (DN ≤ 25)

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