U21 Series 2-Way General-Purpose Solenoid Valve

Brand: Alcon Solenoid Valves - by Rotork

Specifications
  • Compact valve design
  • Wide range of available orifices
  • Zero pressure rated
  • Choice of valve body material and seals

Specifications

Ambient Temperature

  • -10° to 50° C (14° to 122° F)

Applications

  • Fuel & Chemical Refineries
  • Offshore Oil & Gas Facilities
  • Power Generation Plants
  • Steel Mills & Foundries
  • Water Treatment

Approvals & Certifications

  • CSA
  • UL

Body Material

  • Brass
  • Stainless Steel

Coil Voltage

  • 12 Vdc
  • 120 Vac, 60 Hz
  • 220 Vac, 60 Hz
  • 24 Vac, 60 Hz
  • 24 Vdc

Differential Pressure

  • psi: 0 to 675 (kPa: 0 to 4,654, bar: 0 to 46.54) for Operating Pressure Differential (OPD)

Electrical Connectors

  • 1/2” NPT Female Conduit Hub with 18” Leads
  • 9 mm Din Connector (DIN 43650)

Electrical Contacts

  • Normally Closed

Environmental Protection

  • Din Connector: NEMA 4
  • Metal Enclosure: NEMA 2

Flow Rate

  • 0.12 to 1.75 Cv

Maximum System Pressure

  • psi: 870 (kPa: 5,998, bar: 59.98)

Media

  • Air
  • Cryogenic Fluids
  • Fuel
  • Gas
  • Hot Water
  • Steam
  • Water

Orifice Size

  • 1.6 to 9.5 mm

Pipe Size

  • 1/4”
  • 1/8”
  • 3/8”

Power

  • 14.5 W

Seal Material

  • EPDM [0° to 120° C (32° to 248° F)]
  • Nitrile (Buna-N) [-10° to 80° C (14° to 176° F)]
  • PTFE [0° to 180° C (32° to 356° F)]
  • Viton [0° to 150° C (32° to 302° F)]

Valve Type

  • 2-Way

  • Fuel & Chemical Refineries
  • Offshore Oil & Gas Facilities
  • Power Generation Plants
  • Steel Mills & Foundries
  • Water Treatment
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