Gruenberg Explosion Resistant Oven

Benefits of the Gruenberg Explosion Resistant Oven

  • Any standard industrial oven can be modified to operate under Class I, 2, 3 - Groups A-G atmospheres to meet your exact process needs.
  • Rugged CHIL construction provides years of energy-efficient service


  • Non-sparking brass explosion-relief door latches
  • Wiring encased in rigid conduit or approved mineral insulated cable
  • Fully welded liners and removable air circulation ducts and baffles
  • Non-sparking aluminum or brass blowers or circulation fans
  • Heating coil within a seamless Incoloy tubular element
  • Sealed electrical connection ports and explosion-resistant housings
  • Approved, static-eliminating belt drives
  • Explosion-resistant motors
  • Explosion-resistant electrical equipment and controls enclosed in housing or purged boxesCHIL

CHIL Construction

  • Separated, insulated inner and outer surfaces
  • Pliable, final seal silicone rubber gaskets on oven up to 650°F
  • Less energy to maintain temperature
  • Air-conditioning equipment doesn’t work as hard
  • Heavy duty construction
  • Built around welded, structural steel frame
  • One-piece unitized construction costs less to install
  • Pre-tested, ready for operation
  • Motor and blowers to circulate air for uniform atmosphere
  • V.F.D. motor for circulation adjustment (CFM)
  • Heater elements are Inconel sheathed


  • Yokogawa UT150L High Limit Controller Overtemperature Protection

    Yokogawa UT150L High Limit Controller Overtemperature Protection

    • 1/16 DIN high limit controller
    • Type J thermocouple
    • LCD display
    • Shuts down heat-control system and blower when high-heat limit is detected and activates alarm


  • Chart Recorder

    Chart Recorder

    • Circular or strip type
    • Records temperature versus time
    • Some models include digital display
    • J thermocouple for temperature measurement

  • Allen-Bradley MicroLogix PLC

    Allen-Bradley MicroLogix PLC

    • 10 Digital inputs
    • 6 Digital outputs
    • 2 Analog inputs
    • Ability to add digital, analog, RTD, and thermocouple modules to customize the controller for your application.
    • Supports expansion I/O -- up to four 1762 I/O modules
    • High speed I/O: 20 kHz HSC, 20 kHz 
    • PTO/PWM output
    • 4KB user-program memory
    • 4KB-word, user-data memory
    • Up to 128KB for data logging and 64KB for recipes
    • Built-in 10/100 Mbps EtherNet / IP Port
  • Explosion Venting Latches & Safety Chain

    • Provides venting in the event of internal explosion
    • Latch allows door to blow out away from chamber
  • Explosion Resistant Interior/ Exterior for Hazardous Area

    • May be designed to meet NFPA 497 and National Electric Code, Article 500 standards