I would prefer those fittings to have internal Este rings and knurled thread on ports (similar to R134a vacuum gauge sets) that do not require high torque compression fittings. Finger tight and you are good to go. You spot a leak, change the Este ring and you're back in business.
After a few years of research, I finally decided to purchase a freeze dryer. It was one of the best purchases I have ever made. The only regret I have is that I didn’t buy one sooner.
I have no adverse vacuum performance change with the catch can in place. It just catches any oil. I still smell oil vapor when the pump first starts up, but not nearly as much. I've only emptied the can once or twice since I've had it installed. I slightly over filled the pump and it blew out into the can, then ran it with the FDer valve open for a few minutes. Nothing got past the can. I used the outside port as IN and the middle one as out. I did take the port off and the longer one should be the inlet port. It's not a great deal longer. Tony Edited January 22, 2016 by TonyC updated (log)
Many times, you can still freeze dry something if you mix it in. For instance, if there’s a meal that has butter in it, it’s fine to freeze dry. It may just reduce the shelf life a little. So instead of 25 year shelf life, it might have a 10 year shelf life.
While I had the unit apart to replace the display I decided to correct the water condensation problem. If you find yourself using your FDer in the same conditons as we do you may want to consider modifying your FDer to keep the condensation from your FDer control circuit and display cards. Here are the steps that I followed to minimize what the NC high humidity climate does to my FDer.
If you or a family member has Celiac Disease, you know it’s not easy to come up with a last-minute meal. My freeze dryer has made this so much easier!
I did wonder though, since this is gravity flow and website not pressure driven as on a car, if having the filter mounted horizontally might result in using only "half" the filter, as the oil would tend to travel through the low side of the filter -- although in get more info practice, I suppose, as the filter material gets plugged it would force the fluid level higher.
After buying our freeze dryer I was naturally curious as to how it "knew" when something was done, since batch times varied so much depending on what was being processed. Watching the cycle times didn't seem to tell me anything at first -- especially without a thermometer to tell me what was happening inside -- until I finally caught on that applying heat to the frozen food affected the vacuum, which provided the measure of how dry the food had become.
Colin Arnason Albert was very responsive and answered any questions or concerns I had. Great product and I’m enjoying using it.
adding insulation on the 3 ports on the chamber (One time thing - the drain and vacuum ports are very easy to get to)
And therein lies the cons to buying a freeze dryer. It takes time to make them cost effective. Depending on humidity in your area, a single run can take up to two days to complete.
How are freeze dryers shipped? Delivery is via FedEx Freight for most urban addresses, while rural locations may use a last-mile delivery service. All deliveries include curbside service and require a physical address to schedule delivery appointments.
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Considering that they don’t blow heated air away from a hole in get more info your property, warmth-pump dryers use about half the Electricity of the vented dryer per cycle.