View Full Version : flow control - NH3 recirculated evaporator
SimonBrown
09-10-2006, 08:24 AM
Hi
Other than the usual manual balancing valve, are there any other type of (perhaps automatic) liquid flow control or expansion devices that can be used to control ammonia flow rate of forced recirculation (pump) evaporator ?.
Simon
US Iceman
09-10-2006, 04:27 PM
Simon,
Here are several links for the products I am aware of:
http://www.parker.com/rs/41-10C.pdf
http://www.parker.com/rs/41-15A.pdf
I hope that helps.
Best Regards,
US Iceman
nh3wizard
09-10-2006, 06:13 PM
Hansen has motorized valve, and Parker/Seimens also has a valve for liquid feeds for NH3, 2 of our plants have these and they seem to work very well. Oh and Danfoss has one also
kasperDK
09-10-2006, 08:00 PM
hi
aDanfoss CVQ pilot on PM vavle using EKC 361 or 366 as regulator
see www.danfoss.com
this is working Ok
US Iceman
09-10-2006, 08:51 PM
Hi there,
Hansen has motorized valve, and Parker/Seimens also has a valve for liquid feeds for NH3...
Can you post some links to these please? I'm not sure I follow how a motorized valve would be used or controlled for a liquid feed/balancing valve for a recirc. evaporator.
nh3wizard
10-10-2006, 01:08 PM
Hi there,
Can you post some links to these please? I'm not sure I follow how a motorized valve would be used or controlled for a liquid feed/balancing valve for a recirc. evaporator.
These are used for the liquid feeds to the recircs. Ill look for the links and post.
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