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Pressure Relief Valves

558 Series 316L Pressure Relief Valve With Ceramic Ball

IMH 558 Series 316L Pressure Relief Valves are 5.5 mm diameter threadless, cartridge-style valves that are constructed from Medical Grade 316L stainless steel and feature a ceramic ball for significantly improved compatibility with aggressive fluids. These valves also use The Lee Company’s field-proven insert principle that provides secure retention without the need for threads, O-rings or sealants and are designed for installation into metal manifolds. These valves contain a high-quality metal seat providing low leakage and long life. The valves guided ball design ensures fast response, low hysteresis and highly repeatable cracking pressures.

Key Product Facts
  • All Medical Grade 316L Stainless Steel With A Ceramic Ball
  • Free Flow Lohm Rate: 250 Lohms
  • Guided Ball Design
  • 100% Performance Tested
  • Innovative Locking End
Part Numbers
PCRM2554810S, PCRM2554815S, PCRM2554820S, PCFM2554810S, PCFM2554815S, PCFM2554820S
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From plugs to solenoid valves, there’s a vast array of products that The Lee Company can offer. If you’d like to discuss the best solution for your specific application or to learn more about our capabilities, use-cases, or quality standards, contact your local Lee sales engineer.