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Posted by Joe Lambert on March 14, 2011 at 07:07:46:
In Reply to: Re: Feewd water controller posted by Boiler Guy on March 11, 2011 at 15:28:54:
Fisher Rep here:
The 667 is actually the model number of a spring to close pneumatic actuator. To actually select a valve we will need the pressure, temperature and flow rate of the feedwater, and some other information. If this is a low pressure boiler, maybe the Fisher valves will be a bit of an overkill.