D-Series NEMA 7/9 Explosion Proof Differential Pressure Switch

Setpoint Repeatability (Accuracy)
±1% of span (Additional setpoint shift of ±1% of range per 50°F from initial setpoint set at 70°F typical)


Setpoint
Single setpoint - Factory set or field adjustable


Deadband
Fixed or limited adjustable


Enclosure Ratings
NEMA 7/9, IP66


Enclosure Material
Epoxy coated aluminum or 316 stainless steel


Pressure Connection
¼ NPT Female (STD.)
½ NPT Female, ¼ NPT Female & ½ NPT Male combo (OPT.)


Electrical Termination
½ NPT Female, M20 X 1.5 (OPT.)


Diaphragm/Actuator Material
Buna-N®, Teflon®, Viton®, 316L stainless steel, or Monel®


Pressure Ranges
30 in. H2O differential thru 600 psid


Ambient Temperature Range
-20°F to 150°F (-29°C to 65°C)


Process Temperature
0°F to 150°F (Buna N or Teflon diaphragm)
0°F to 300°F (Stainless steel or Monel diaphragm)
20°F to 300°F (Viton diaphragm)