View Full Version : bi-directional TX valves
10-10-2007, 02:58 PM
Does anybody have a web site that breaks down their operation .Thank you
10-13-2007, 02:30 AM
if you're just referring to the type that are used in a small residential heat pump application, I would submit to you that all that is going on is the incorporation of a check valve and bypass chamber routed through the tx housing. nothing real special going on there!!!
here's a cut sheet of sporlan's valve
10-15-2007, 10:44 AM
Thank you for the info .I should have provided a little more info -rookie mistake.A co-worker replaced a TX valve on a new Climate master water source heat pump (not feeding ) . Conacted supplier was provided with a TX valve ,with no info ,which was supplied by C/M.It looks like a standard TX valve but meters flow in both direction.
Believe it, most all TXVs are bidirectional. You do lose some capacity when used in the reverse direction, but they work. All Geo manufacturers get by with one except in split system applications where they have a built in check and bypass.
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