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Bubba Pallo Posted: Jun 06, 2007 11:18 PM	Transfer Pumps - Let's settle it! 1:1's, 2:1's and Diaphragm Pumps. Ask ten techs and get ten different answers. Which works best for 'A' and which works best for 'B', and WHY? Considerations: .5#, 2#, water blown and HFC-245fa.
SprayFoamSupply.com Posted: Jun 07, 2007 06:51 AM	I think 2:1 stick pumps are best. It is what I use and what comes standard with some of the glascraft equipment packages. George
Gerry Wagoner Posted: Jun 11, 2007 09:48 PM	Diaphragm pumps, while desirable for their simplicity and longevity, will not work well with 245fa resins because of cavitation issues. Stick (no pun intended) with a stick pump on the B-side of 245fa resins. olger

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Comments

Bubba Pallo

Posted: Jun 06, 2007 11:18 PM

Transfer Pumps - Let's settle it!

1:1's, 2:1's and Diaphragm Pumps. Ask ten techs and get ten different answers. Which works best for 'A' and which works best for 'B', and WHY? Considerations: .5#, 2#, water blown and HFC-245fa.

SprayFoamSupply.com

Posted: Jun 07, 2007 06:51 AM

I think 2:1 stick pumps are best. It is what I use and what comes standard with some of the glascraft equipment packages.

George

Gerry Wagoner

Posted: Jun 11, 2007 09:48 PM

Diaphragm pumps, while desirable for their simplicity and longevity, will not work well with 245fa resins because of cavitation issues. Stick (no pun intended) with a stick pump on the B-side of 245fa resins.

olger

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