Solenoid Valves are designed for minimal wear.November 19, 2007 -
Designed for pneumatic applications, 310/410 Series 1/8 in. ported 3- and 4-way direct acting solenoid valves feature set screw and pushrod assembly designed as single threaded pushrod to eliminate opportunity for wear between those 2 parts. Short-stroke balanced poppet design at requires no lubrication and is tolerant of impurities in air system. While 310 Series has 0.12 CV and 410 Series has 0.14 CV, both are rated for air and inert gas from vacuum at 28 in. Hg to 125 psig.
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Original Press release
Humphrey Products
Kilgore at Sprinkle, P.O. Box 2008
Kalamazoo, MI, 49003 USA

Humphrey Improves Model 310/410 Series Solenoid Valves
As part an ongoing commitment to continuous improvement, Humphrey Products Company has redesigned the set screw and pushrod assembly in its Model 310/410 direct-acting solenoid valves to improve performance over the life of the valve. Humphrey Engineering redesigned these two pieces into a single threaded pushrod which eliminates the opportunity for wear between the two parts. After testing to 20 million cycles, the modification resulted in more consistent valve to valve performance, and valve performance that is more consistent with initial product performance
Humphrey 310/410 Series valves are versatile, reliable and compact 1/8-inch ported 3-way and 4-way direct acting solenoid valves designed to meet a variety of pneumatic applications. Valves of the same series can be mounted in-line or on a subbase and 310 and 410 valves can be combined on the same manifold. Both series of valves have a short-stroke balanced poppet design that permits rapid cycling, requires no lubrication, and is more tolerant of impurities in the air system, ensuring positive sealing. The 310 Series valves have a 0.12 CV; the 410 Series valves have a 0.14 CV. Both valves are rated for air and inert gas from vacuum at 28-inches Hg to 125 psig. The continuous duty coil has a power consumption of 4.0 Watts, comes with flying leads and is available in a range of AC and DC voltages.
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