rolling action may continue with additional activation as shown in fig1 this rolling action may significantly reduce the voltage and power required to pull the diaphragm 120 toward the second opposing wall 118 while still achieving a significant diaphragm travel distance fig1 is a cross sectional side view of the illustrative normally open valve of fig1 with the diaphragm fully activated as can be seen the diaphragm 120 may be sufficiently activated to reduce or even prevent fluid flow between the first port 122 and the second port 124 thereby closing the valve fig1 is a cross sectional side view of an illustrative three way valve in accordance with the present invention the illustrative three way valve includes a body 140 that is configured to form a chamber 142 the chamber 142 has a first opposing wall 144 and a second opposing wall 146 a diaphragm 150 which is mounted between the first opposing wall 144 and the second opposing wall 156 may include an opening 152 a first electrode not explicitly shown but as described above is secured to the diaphragm 150 and a second electrode 154 is secured to the second opposing wall 146 an inlet port 160 may extend through the first opposing wall 144 and into the chamber 142 a first outlet port 162 may extend through the second opposing wall 146 and into the chamber 142 and a second outlet port 164 may extend through the first opposing wall and into the chamber 142 the inlet port 160 and the second outlet port 164 are shown.