MAC Series 31 Solenoid valves are 3-way -6mm - lift valves for direct electromagnetic operation. Thanks to patented design innovations, this direct operation 3-channel with such high traffic is unique to the MAC. It features an oval armature in an electromagnet, a balanced spool and a powerful return spring. These features translate into high turnover, fast response times, high flow rates and long service life in small packages. Information about certifications (e.g. UL, CSA, RoHS, CE)