121

Series 121 M5 Miniature 2 Way Normally Closed Solenoid Valve Ultravalve supplies the Series 121 2 way normally closed direct-acting poppet solenoid valve for automated on/off flow isolation in highly compact industrial and medical sector equipment. Featuring a brass body, brass armature tube and ultra compact M5 ISO 228 fluid connection, it is designed for compatible applications where reliable direct-acting control and limited installation space are critical. These valves provide dependable electrically actuated flow isolation from 0 bar minimum differential pressure. Dependable Direct-Acting Flow Isolation for Compact Systems Ultravalve’s Midlands based warehouse offers a range of Series 121 valves from stock, subject to configuration and current availability. Designed to support constrained maintenance projects, medical sector equipment and industrial automation, these miniature valves help provide fast replacement options for urgent process requirements. Direct-Acting Performance: The direct-acting poppet design enables reliable on/off flow isolation from 0 bar minimum differential pressure. Defined Pressure Handling: Supports a maximum allowable pressure of PS 30 bar, with maximum differential operating pressure dependent on orifice size and 2W/4W DC coil selection, reaching up to 12 bar on selected configurations. Robust Brass Construction: Manufactured with a brass body, brass armature tube, AISI 430FR plunger and core, and AISI 302 springs, with seal options including NBR or FPM. Fluid Compatibility Guidance: Suitable for compatible industrial and medical sector applications with maximum fluid viscosity up to 25 cSt, subject to material, pressure, seal and certification compatibility. Ultra Compact Integration: Features an M5 ISO 228 threaded fluid connection and compact Series 6, 16 mm width coil, making it suitable for installations with strict spatial constraints. Electrical Configuration: Available in 12V DC and 24V DC configurations with 2W or 4W nominal power ratings to suit low-power system requirements. Environmental Protection: Offers IP65 protection when the electrical connector is fitted and IP00 without connector, using an AMP 2.8 x 0.5 electrical connection with PG7 connector. Continuous Duty Operation: Rated for ED100% continuous service, supporting continuous coil energisation in suitable industrial applications. Temperature & Mounting Guidance: Ambient temperature is listed as -10°C to +55°C, with universal mounting position. Options: Available with electroless nickel plating, cable attached, special coil voltages and special coil powers. Versions for fluid temperature down to -40°C are available on request. With over 30 years’ experience and an ISO 9001:2015 certified quality management system, Ultravalve provides dependable valve solutions for UK industry. The Series 121 miniature brass direct-acting solenoid valve is available to order, with delivery options confirmed at quotation, contact our team for technical advice or to request a quote.