UE Controls 400 Series pressure, vacuum, differential pressure and temperature switches (Type J402, dual switch output with internal hex screw adjustment, Models 520-525)
The 400 Series is a versatile family of vacuum, pressure, differential pressure and temperature switches for applications that require single or multiple switching capabilities.
Buna-N diaphragm and O-Ring with epoxy coated aluminum 1/2” NPT (female) pressure connection, large 0.72” orifice for clean-out purposes. Other wetted materials available, see pg. 12; Option M449 recommended