New 310/410 series valves are compact 1/8 in. ported 3 and 4-way direct-acting solenoid valves. They can be mounted in-line or on a subbase and can be mounted on manifolds. Short stroke balanced poppet design permits rapid cycling, requires no lubrication, and is tolerant of air impurities for positive sealing. The 310 have 0.12 CV; 410 have 0.14 CV. Both are rated for air and inert gas from vacuum to 125 psig. Humphrey Products Co., (269) 381-5500, www.humphrey-products.com