US-based Spartan Scientific has released the 3510 2-way, 2-position normally open or normally closed solenoid/air pilot valve. It is suitable for air control, inert gas control, water, condensate drainage, hot water plumbing and sprinkler systems. The 3510 has an ambient temperature range of -10 to +50C and a pressure range of 0-150psi. Available in 1/4in, 3/8in and 1/2in NPT sizes, the polymer body section features a stainless steel anti-flex ring for port strength. The molded pilot section features high life cycle solenoid parts, a push, non-locking manual override, and either quick connect DIN 43650 “A” or “flying lead” electrical connection options.