stefano65 Senior Member Joined: 30 Oct 2004 Posts: 690 Location: Eugene OR Expertise: Professional
Espresso: Vibiemme,Elektra, Grinder: Macap,Cunill, Isomac Vac Pot: not Drip: not Roaster: not
Posted Thu Oct 2, 2008, 5:54am Subject: Re: Small Rotary?
Looks interesting but just a consideration if you are retro fit to a vibrating pump unit silicone hoses will not hold the pressure so you will have to replace them with s/s braided or copper etc etc will be nice to get a sample one from fluid-o tech i see what i can do
Gime2much Senior Member Joined: 10 Dec 2004 Posts: 999 Location: Sunny S Fl Expertise: I love coffee
Espresso: La Pavoni, Astoria comm, 2... Grinder: La Pavoni Zip, Bunn... Drip: Bunn comm Roaster: Popcorn popper (air),co/ufo
Posted Thu Oct 2, 2008, 11:25am Subject: Re: Small Rotary?
Bit confused...while I use braided hose on both, my vibe pump puts out ~160 and is regulated at the opv while my hx rotary is regulated at the pump pre-hose at ~135 psi. Why would the rotary need stronger hose?
stefano65 Senior Member Joined: 30 Oct 2004 Posts: 690 Location: Eugene OR Expertise: Professional
Espresso: Vibiemme,Elektra, Grinder: Macap,Cunill, Isomac Vac Pot: not Drip: not Roaster: not
Posted Fri Oct 3, 2008, 5:01am Subject: Re: Small Rotary?
My head was in the plumb in manual I was writing, silicone hose for non plumbed in will do just fine regarding the pump so far i find out that Brasilia used to mount them in some of their unit years ago and nothing more
Gime2much Senior Member Joined: 10 Dec 2004 Posts: 999 Location: Sunny S Fl Expertise: I love coffee
Espresso: La Pavoni, Astoria comm, 2... Grinder: La Pavoni Zip, Bunn... Drip: Bunn comm Roaster: Popcorn popper (air),co/ufo
Posted Sat Oct 4, 2008, 6:07am Subject: Re: Small Rotary?
AndyS Said:
Greg Scace has a lot of experience using one. I've got one sitting on my workbench downstairs, but haven't installed it yet A certain famous barista in London is reputed to be using one as we speak.
Eric_Svendson Senior Member Joined: 19 Dec 2001 Posts: 81 Location: Silver Spring, Md., USA Expertise: I love coffee
Espresso: Anita, Modified Silvia Grinder: Mazzer Mini E Vac Pot: Cona Drip: Melitta 2-cup Roaster: Heat Gun/Dog Bowl (just...
Posted Fri Oct 10, 2008, 10:19am Subject: Re: Small Rotary?
Network Crasher asked "Anyone have any experience with these?"
Some basic information on the TMFR series is available here: http://www.fluid-o-tech.com/ - see their PowerPoint presentation also. Don't forget to take into consideration the size of the control module (inverter).
The TMFR series is also available from Depco Pump Co. here in the US.
A potential problem with this series is that the control module has a 50 degree C limitation so internal installation would be a little touchy. You may be able to buy a unit direct from FOT (USA) but it is relatively expensive - ~$375. Then, if you are going to do variable pressure profiling like Greg S. admirably did, add in the cost of a pressure transducer and a controller for the FOT control module - about $300.
That said, FOT deserves lots of credit for bringing something like this to the marketplace. I can only hope for the day when I'll be able to program an EEPROM in the FOT module via a PC and build whatever pressure profile I want.
Get out those wrenches Andy S. - we want to read about your adventures.
networkcrasher Senior Member Joined: 6 Jan 2008 Posts: 119 Location: Atlanta Expertise: I love coffee
Espresso: Looks nice plugged in!
Posted Thu Oct 16, 2008, 8:22pm Subject: Re: Small Rotary?
Got a Procon off eBay with a 1/3hp motor (that's HUGE) for a nice price. It's a 1 series Procon flange mount, and it seems that while it will work in the motor I received, but I'd like to locate a smaller motor. I figure a 1/4hp would be plenty. The SPA motors on espresso parts look really nice, but pricey at over 200 bucks. I just came across this Flojet though.. Anyone ever try it? It's called a triplex and will get over 10bar...
I'm not sure if it's considered a rotary, but the motor would suggest so. I wonder if it'd work.. The specs show that it'd work for espresso. Seems interesting anyway.
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