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Exp Enclosures | Pressurized Enclosures Ex pz Class I Div 2 Zone 2 Zone 22 ATEX Hazardous Areas
Hazardous Area & Process Heating · ATEX Enclosures & Junction Boxes

Exp Enclosures | Pressurized Enclosures Ex pz Class I Div 2 Zone 2 Zone 22 ATEX Hazardous Areas

Ex pz Class I Div 2 Zone 2 Zone 22 ATEX Hazardous Areas

CategoryATEX Enclosures & Junction Boxes
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Product Overview

Pressurized Enclosures

Ex pz Class I Div 2 Zone 2 Zone 22 ATEX Hazardous Areas

IECEx – ATEX Purge & Pressurized Enclosures Ex pz Zone 2, (22) IECEx, Category 3 GD ATEX

Exp pressurized enclosures hold IECEx & ATEX Certificates to IEC/EN 60079-0 & 60079-2, Hazardous Area Zone 2, Ex pz for populated Expo Purge & Pressurized Enclosures type PE3.

The Exp enclosures are suitable for applications where there is a potential for hazardous areas with dust as well as gas, ATEX certification can include for Zone 2 (Gas) & Zone 22 (Dust).

The Zone 22 hazardous area certification is to IEC/EN 61241-4 standard Ex p.

The construction and power dissipation of the internal components of the Exp enclosures are critical to ensuring effective purging, compliance with temperature rating and safe operations.

See also complete ranges of ➡ Hazardous Area Enclosures | Zone 1 Enclosures | Zone 2 Enclosures | Ex d Flameproof Enclosures

Features & Benefits

  • IECEx – ATEX Certified Purge & Pressurized Enclosure, Type PE3
  • IECEx – ATEX Certified Purge & Pressurization System
  • IECEx &/or ATEX Zone 2 (22) Hazardous Area Certification to IEC/EN 60079-0 & -2 Ex pz
  • Where there are Gas & Dust Hazards PE3 can also be certified for both Hazardous Area Zone 2 & Zone 22
  • No need for a Certified/Notified Body as the Certificate has been issued to Expo
  • Accept orders for your apparatus in hazardous locations and increase your market share
  • Ease of Certification for the OEM and the User
  • Reduced Certification cost
  • Reduced time to market
  • After review, equipment not complying with the SoL may still be certified with a variation to the Expo Certificate

Specification

  • Sizes: Purpose built and designed for the application
  • Maximum Size: 2.1m H x 1.8m W x 1.0m D Approx: 82″ H x 70″ W x 39″. Larger sizes are available
  • Material 1:1.5mm to 3mm dependent on the size of the PE Exp enclosure
    316L Stainless Steel Enclosure – Finish: NROB
    Mild (Carbon) Steel Enclosure – Finish: Powder Coated
    RAL7035 (Light Grey)
  • Doors: Front, Back, Side, Top, Bottom or Double Doors
  • Door Fasteners: Tool Operated 1/4 turn Stainless Steel (does not require a power disconnect door switch) IEC / EN 60079-2
  • Hinges: Stainless Steel
  • Seals: Elastomer seals fully compliant with IEC / EN 60079-0
  • Windows: Polycarbonate Weather Strip or Laminated Glass Weather Strip or Clamped. Maximum size up to 1m2 (Approx: 10.76ft2)
  • Control Devices & Actuators: Lamps, Push Buttons, etc Certified
  • Sub-panel (Chassis): Rear, Slides, Top, Bottom or Door
  • 19″ Rack: Fixed or Swing Frame
  • Mounting Bosses
  • Lifting Eyes
  • Gland Plates
  • Mobile PE3: Anti-Static Wheels
  • Wall Lugs
  • Free Standing
  • Plinths
  • Keyboards, etc

♦ More Hazardous Area Products | Lighting | Plugs | Isolators | Control Panels | Junction Boxes | Motor Starters

Technical Specifications

CategoryATEX Enclosures & Junction Boxes
IECEx: Certificate of Conformity: IECEx ITS 11.0042X ATEX: Certificate of Conformity: ITS 11 ATEX17381XEx pz IIC T4 Gc [Zone2] Hazardous Area Ex p IIIC T135°C Db [Zone 22] Hazardous Area
Ambient Temperature-20°C, -4°F to 55°C, 131°F
Pressure & LeakageTest result with each PE3 enclosures To IEC/EN 60079-2
Over Pressure Test18mbarg (7″WC) To IEC/EN 60079-2
Purge Time5 Volume Changes
Purge TestAlternatively a Purge Test can be completed to prove effective purging & reduce the Purge Time
Compliance to General Conditions IEC/EN 60079-0Includes thermal conditioning of Non metallic items, seals, etc, resistance to light testing, impact testing 4 -7 Joules
Schedule of LimitationsRequest SoL PE3, Zone 2 (22) Hazardous Area
Instruments & ElectricalMost apparatus installed within the PE3 are normally acceptable
Ex ApparatusPermitted subject to internal temperature
Effective PurgingBoxed apparatus will require ventilation holes
Power & Signals InputsMust be disconnected by the MiniPurge system
Temperature ClassT4, T3, T2 dependent on internal and external apparatus
Batteries
Internal Release Of Flammable GasNot normally permitted, please consult. Solutions are available
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