CONTROL VALVES
ESD
ACTUATORS
CONTROLLERS
REGULATORS
POSITIONERS
LIMIT SWITCH
670 MANUAL LOADING STN

7970 PRESSURE SENSOR

2000 PRESSURE PILOT

CENTRIFUGES
CHEMICAL PUMPS
THERMOMETERS
DEW POINT TESTERS
GAUGES
NORRISEAL CONTROLS
Liquid Controllers
Liquid Level Switches
Control Valves
Temperature Controllers
Chambers & Domes
Check Valves
OTHER

NORRISEAL CONTROLS - 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.