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Series 171 AISI 316 2 Way Normally Closed Direct Acting Solenoid Valve Ultravalve supplies the Series 171 2 way normally closed direct-acting poppet solenoid valve for automated on/off flow isolation in compact industrial systems. Constructed with an AISI 316 stainless steel body, armature tube and springs, the Series 171 is designed for compatible chemical, petrochemical and general fluid-handling applications requiring corrosion resistant construction and direct-acting control from 0 bar differential pressure. These valves provide dependable electrically actuated flow isolation for suitable media, subject to seal, pressure, temperature and material compatibility. Dependable Stainless Steel Isolation for Chemical Systems Ultravalve’s Midlands based warehouse offers a wide range of Series 171 valves from stock, subject to configuration and current availability. Designed to support maintenance projects, chemical processes, carwash systems, medical sector equipment, industrial automation, industrial washing machines and water applications, these compact valves help provide fast replacement options for urgent pipework and 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 50 bar, with maximum differential operating pressure dependent on orifice size and coil configuration, reaching up to 25 bar on selected configurations. AISI 316 Stainless Steel Construction: Manufactured with an AISI 316 body, armature tube and springs, alongside an AISI 430FR plunger and core and silver shading ring for corrosion resistance in suitable chemical and industrial applications. Seal & Fluid Compatibility: Available with NBR, FPM or EPDM seals to suit compatible industrial, chemical and process media, subject to material, pressure, temperature and application compatibility. Flexible Integration: Features a compact G1/8 ISO 228 threaded fluid connection for straightforward installation into restricted pipework and compact equipment layouts. Continuous Duty & Protection: Rated for ED100% continuous service, with IP65 protection when the electrical connector is fitted and IP00 without connector. Application Specific Options: Steam applications are limited to PS 2.5 bar gauge. Optional versions include Series 7 explosion-proof coil according to ATEX - EExmII and configurations for use with industrial oxygen certified coils, subject to correct specification. Temperature & Mounting Guidance: Ambient temperature is listed as -10°C to +80°C according to the coil, with seal temperature ranges dependent on selected seal material. Suitable for universal mounting positions, as stated in the product data sheet. With over 30 years’ experience and an ISO 9001:2015 certified quality management system, Ultravalve provides dependable valve solutions for UK industry. The Series 171 AISI 316 stainless steel 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.