- Liquid Controllers
Series 1001 (Non-Sealed Case) &
Series 1001XL (Back Mount, Sealed Case)
The Norriseal No-Bleed "Forced Balance"
Type controller is used to monitor the changing level of fluid(s)
in a vessel. the standard configuration of the 1001 consists
of a 2.00" NPT body construction, optional 2.00"
to 6.00" ANSI class 150-2500 flanged end connections,
a snap or throttle pilot relay and is contructed for of materials
suitable for non-corrosive environments. Operating temperature
limits range from -70° to 600°F depending on material
selection. For severe corrosive applications "sour service"
materials are used to meet NACE MR-01-75. In situations where
only sour (H2S gas) supply air can be used, the 1001 Level
Controller can be offered with a sealed case (series 1001A/
1001XL) to contain vapors and keep the working environment
safe. Electric controllers utilize an explosion proof switch
which is UL and CSA approved-SPDT or DPDT.