======== Valves ========

Here is a list of some background research done on several different types of valves, including their pros and cons, in order to determine which will be the best solution for our design: {{:start:classes:principlesofdesign:allograftpreservation:valves_2.pdf|}}

The following resources were used in the making of this chart:

http://goliath.ecnext.com/coms2/gi_0199-116274/Pick-the-right-valve-know.html

http://www.engvalves.com/itemfiles/valveselectionessentials.pdf

http://www.valvias.com/type-diaphragm-valve.php

http://www.tpub.com/content/doe/h1018v2/css/h1018v2_41.htm

http://www.cnvchina.com/class/Diaphragm_Valve_Class_135.htm