Burkert Direct-Acting 2/2 or 3/2-Way Pivoted Armature Valve, 0331 Ex
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305 853

Series: 0331 Ex 2/2 or 3/2-Way Pivoted Armature Valve Brand: Burkert Fluid Control Systems
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Burkert Direct-Acting 2/2 or 3/2-Way Pivoted Armature Valve, 0331 Ex Burkert Direct-Acting 2/2 or 3/2-Way Pivoted Armature Valve, 0331 Ex
  • Circuit Function - 3/2-Way Valve, Direct-Acting, When De-Energised Port A Exhausted
  • Orifice - 3 mm
  • Seal Material / Housing or Seat Material / Electrical Connection - NBR / Brass / Cable
  • Voltage / Frequency - 230 V Response, 240 V / UC

Specifications

Brand

Actuator Type

  • Direct-Acting

Ambient Temperature Range

  • Maximum

Approvals & Certifications

  • EAC
  • EPS 16-ATEX-1 111 X, II 2 G Ex Mb IIC T4 Gb, II 2 D EX Mb IIIC T130° Db
  • FDA
  • IECEx EPS 16.0049X, II 2 G Ex Mb IIC T4 Gb, II 2 D EX Mb IIIC T130° Db
  • NAMUR

Consumption

  • Power Consumption (Inrush): 40 W
  • Power Consumption (Operation): 3 W

Cycling Rate

  • Variant 1: Max.
  • Variant 2: Max.

Duty Cycle

  • 100%

Electrical Connectors

  • Cable Gland: 1/2"-14 NPT
  • Cable Gland: M20 x 1.5
  • Moulded Cable
  • Terminal Box without Safety Fuse

Electrical Contacts

  • Normally Closed
  • Normally Open

Enclosure, Body Material

  • 316 Stainless Steel, 1.4401
  • Brass
  • Metal
  • PEEK
  • Plastic
  • Polypropylene (PP)
  • PVDF (Polyvinylfluoride)

Environmental Protection

  • Explosion-proof
  • IP65
  • IP66
  • IP67
  • NEMA 250 4X
  • Vibration-Proof

Flow Rate

  • Water: 0.11 to 0.29 Kv (m³/hour) - Metal Body
  • Water: 0.13 to 0.40 Kv (m³/hour) - Plastic Body

Insulation

  • Coil Insulation Class H

Mounting Position

  • Preferably with Actuator Upright

Orifice Size

  • 0.078" to 0.157" (2 to 4 mm)

Override

  • Manual Override

Pressure Range

  • psi: 0 to 232.1 (kPa: 0 to 1,600, bar: 0 to 16) - Metal Body, Plastic Body
  • Vacuum - psi: -14.21 to 145 (kPa: -98 to 1,000, bar: -0.98 to 10)

Process Temperature

  • 0° to 80° C (32° to 176° F) for Body Material Brass, Stainless Steel or PEEK (NBR), PP or PVDF (NBR, FKM)
  • EPDM: -30° to 80° C (-22° to 176° F) for Body Material PP or PVDF
  • EPDM: -30° to 90° C (-22° to 194° F) for Body Material Brass, Stainless Steel or PEEK
  • FFKM: 5° to 80° C (41° to 176° F) for Body Material PP or PVDF
  • FFKM: 5° to 90° C (41° to 194° F) for Body Material Brass, Stainless Steel or PEEK
  • FKM: 0° to 90° C (32° to 194° F) for Body Material Brass, Stainless Steel or PEEK

Response Time

  • Closing: 40 ms (Pressure Drop 100 to 10 %)
  • Opening: 30 ms (Pressure Rise 0 to 90 %)

Seat / Seal Material

  • Seal: EPDM (Medium: Alkalis, Acids to Medium Concentrations, Alkaline Washing & Bleaching Lyes)
  • Seal: FFKM (Medium: Aggressive Mediums, Hot Air, Hot Oils)
  • Seal: FKM (Medium: Oxydizing Acids & Substances, Hot Oils with Additives, Salt Solutions, Waste Gases, Oxygen)
  • Seal: NBR (Medium: Neutral Medium Such as Compressed Air, Town Gas, Water, Hydraulic Oil, Oils & Greases without Additives, Oxygen)

Solenoid Type

  • 2/2-Way
  • 3/2-Way

Tolerance

  • Voltage Tolerance: ± 10 %

Viscosity

  • Maximum

Voltage

  • 24-230 V (AC/DC)

Documentation

Data Sheets

View Product Series

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