Explosionproof Instrument Housings - XDHM Series - Medium
Explosionproof Instrument Housings - XDHM Series - Medium
XDHM housings are designed to isolate incoming power connections from instrumentation.The 3-5⁄8" ID provides maximum clearance to facilitate instrument mounting, calibrationor service, with back-to-back chambers separated by a solid, 1⁄2" thick wall. Precisionmachined from sand-cast, copper-free aluminum.
Standard Features
Standard Features
- 3-5/8" ID Enclosures Double-Ended Housing
• 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
• A choice of solid covers or 2-5⁄8" diameter tempered glass window for local read out and display
• 60° chamfer on window opening provides enhanced viewing angle
• 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
Design Options
• 2- to 8-point, power side terminal strip with sealed pass-through to instrument (add suffix “2T”, “4T”, “6T” or “8T” to catalog number)
• Internal wall can be modified (Drilled & Tapped) to suit design needs, or be completely removed and still maintain approvals. Please consult factory.
• Front Boss Modifications: 1⁄2", 3⁄4" or 1" NPT; 1⁄2", 3⁄4" or 1" NPSM; or 20mm or 25mm opening modify for sensor, probe or conduit entry
• 1⁄2" NPT reducers are available – add suffix “2” to catalog‑number
• 1⁄4–20 UNC holes in front boss for bracket mounting. (Consult factory for other sizes.)
• High ambient silicone gasket (+70°C)
• Power side (shallow side) cover options:
Flat Solid — Standard
Dome Glass — Add Suffix “A”
Flat Glass — Add Suffix “B”
Dome Solid — Add Suffix “C”
Midsize Solid — Add Suffix “D”
