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ISO 9001-certified manufacturer of valve and control solutions, including Liquid Level Controllers, Switches, Control Valves, Pressure/Temperature Controllers, ...
actuator sizing  angle disc  angle-disc  api valves  diaphragm actuator 
www.norriseal.com - 2009-02-07
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ball valve
flow meters
rotary valves
butterfly valve
actuator
globe valve
control
control valves
ball valves
actuators
gate valve
emerson process management
temperature transmitters
hydraulic
process instruments
instrumentation
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