Certification:

  • European Union (ATEX)
  • IECEx
  • North America (CSA, FM, UL)

Hazard:

  • Gas - IIB
  • US Gas - (Class I)

Area:

  • Gas Area - Zone 2
  • US Gas Area - Div 2

Temperature:

  • Gas Temp. - T4 (135C)
  • US Gas Temp. - T4 (135C)
  • Lower Ambient Temp - -20C
  • Higher Ambient Temp - Greater than +40C

Concept:

  • Gas Concept - Ex p /px /py / pz
  • US Gas Concept - AEx /Ex px / py / pz

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Supplier Details

  • Address:

    Unit 2 The Summit, Sunbury-on-Thames, Middlesex TW16 5DB United Kingdom

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Expo Technologies Room Purge Systems

Purge Systems » Purge Systems

This Expo system protects an accessible room in a Class I Div 2 Gp C & D or Ex pz Zone 2 IIB Cat. 3 G  hazardous area. RP Max-Z  An TFTC or ATEX/IEC Ex  fan draws in clean, uncontaminated from a safe area.  The units maintain a slight positive air-pressure in the room, compensating for normal air-leakage and leakage when someone opens a single or double-width door.

Common applications for Expo’s Room Pressurizing units include Workshops, Rest Rooms, Analyser Houses, Operator Rooms, Local Switch Rooms and Refuge for emergencies.

Benefits of RP Max Z Room Pressurization:

  •     Delay alarm when door opens: Unit speeds up to maintain positive air-pressure
  •     High Rate Ventilation: 0.3m/sec, 60fpm;
  •     Designed to NFPA 496 and ATEX Room Pressurization Units
  •     Non-sparking construction
  •     Efficient Air Handling:  no wasted energy:
  •     Automatic fan speed control.
  •     10 second delay before initiating high flow
  •     Clean Fresh Air:  easy changeable and effective filters. Options:
  •     Sand Trap: prevent ingress of dust or sand in, e.g. desert locations.
  •     Additional filtration devices.

Operating Temperature Range:

Standard: -20ºC to 40ºC, -4ºF to 104ºF;

High Temperature:  +60ºC, +140ºF

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