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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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actuators
ball valve
gate valve
rotary valves
hydraulic
control
control valves
instrumentation
actuator
check valve
process instruments
flow meters
butterfly valve
emerson process management
globe valve
temperature transmitters
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