117 Series Pressure Switch (H117 Models 183-189 )
Approved for Division 2, Zone 2 hazardous and corrosive atmospheres, and with optional Zone 0 intrinsic safety compliance, the 117 Series can be used to measure vacuum, pressure, differential pressure, or temperature in a variety of applications.
H117 - One SPDT output; epoxy coated enclosure; internal adjustment with “High-Low” reference scale.
316L stainless steel diaphragm (optional HastelloyR C or MonelR); VitonR GLT O-ring (optional KalrezR, Ethylene Propylene, or AflasR); 316 stainless steel 1/2” NPT (female) pressure connection (optional HastelloyR C or MonelR), large 0.72” orifice for clean-out purposes. Models 188 and 189 have a 316L stainless steel 1/2” NPT (female) pressure connection; NACE MR 0175 compliant.