XDHL Explosion Proof Instrument Enclosure
XDHL Instrument Housing

XDHL Explosionproof Instrument Enclosure

XDHL housings are designed to isolate incoming power connections from instrumentation.  The 4" ID provides maximum clearnece to facilitate instrument mounting, calibration or service, with back-to-back chambers separeated by a solid, 1/2" thick wall.  Precision machined from sand-cast, copper-free aluminum.

  1. Product Info
 Standard Features

•  3/4" NPT conduit feed-through hubs, offset into power side for maximum clearance and capacity
•  Front boss with 3/4" NPT opening into instrument side for conduit, sensor or probe (see design options for other sizes)
•  Internal and external ground screws and tamper resistant cover set screws for extra safety
•  Choice of solid covers or 3-5/16" diameter tempered glass window for local read out and display
•  Buna-Nitrile rubber gasket for NEMA Type 4X watertight applications
•  Corrosion resistant, “safety blue” polyester powder coating (other colors available)
•  Stainless steel hardware

Design Options
• 2- to 12-point, power side terminal strip with sealed pass-through to instrument (add suffix "2T", "4T', "6T", "8T", "10T" or "12T" to catalog number)
• Internall wall can be modified (drilled and tapped) to suit design needs, or to be completely removed and still maintain approvals.  Please consult factory.
• Power side (shallow side) cover options:
     Flat Solid          -     Standard
     Dome Glass      -     Add suffix "A"
     Flat Glass         -     Add suffix "B"
     Dome Solid       -     Add suffix "C"
• Front boss modifications: 1/2", 3/4" or 1" NPT; 1/2", 3/4" or 1" NPSM; or 20mm, 25mm or 30mm entry for sensor, probe conduit
• 1/2" NPT reducers are available - add suffix "2" to catalog number
• Four 1/4-20 UNC holes in front boss for bracket mounting (consult factory for other sizes)