Lee Co.’s new 250 Zero Leak Chek® miniature valves are available in forward and reverse flow configurations and uses an elastomeric seat to achieve zero leakage. The remaining components are constructed entirely of stainless steel. This new valve flows over 62 SLPM (air) at 25psid, with a diameter of 0.250in. Nominal weight is 3.8 grams. Maximum working pressure is 3000psid.