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Check Valves

558 Series 316L Check Valve With Ceramic Ball

This threadless, cartridge-style, one-way valve is made with medical grade 316L stainless steel and a ceramic ball for improved compatibility with aggressive fluids. This valve features The Lee Company’s field-proven locking end that provides secure retention into metal manifolds without the need for threads, O-rings, or sealants. This valve’s high quality metal seat provides low leakage, repeatable cracking pressure, and long life. The valve is 100% functionally tested to ensure performance.

Key Product Facts
  • Mounting Configuration:Insert - Into Metal
  • Diameter:5.47 mm
  • Lohm Rate:250 Lohms
  • Maximum Working Pressure:280 Bar
  • Valve Seat Type:Metal

Product Information

General Performance
Characteristic Specification
Lohm Rate 250 Lohms
Leakage 10 SCCM (max) at 172 kPa (25 psid) on Air
Maximum Working Pressure, Checked Direction 280 Bar
Maximum Working Pressure Differential, Flow Direction 40 Bar
Installation Force 625 kgf (max)
Materials
COMPONENT MATERIAL
Body 316L Stainless Steel
Cage 316L Stainless Steel
Pin 316L Stainless Steel
Spring 316L Stainless Steel
Ball Ceramic
Flow Curve
Cross Section Views
Dimensional Views
Installation Hole Details

Part Numbers & Specifications

This table below contains the part numbers and technical specifications for this product. If you have specific questions, need a quote, or would like to request a handbook or drawing, click the red request button in the column on the far right.

Part Numbers & Specifications
PART NUMBER FLOW DIRECTION LOHM RATE CRACKING PRESSURE INSTALLATION HOLE DRAWING NUMBER Request Information
CCFM2554800S Forward 250 Lohms 0 kPa (No Spring) 1INST007226S Request
CCFM2554807S Forward 250 Lohms 7 ± 5 kPa (1 ± 0.7 psid) 1INST007226S Request
CCFM2554814S Forward 250 Lohms 14 ± 5 kPa (2 ± 0.7 psid) 1INST007226S Request
CCFM2554840S Forward 250 Lohms 40 ± 15 kPa (6 ± 2.2 psid) 1INST007226S Request
CCRM2554800S Reverse 250 Lohms 0 kPa (No Spring) 1INST002604S Request
CCRM2554807S Reverse 250 Lohms 7 ± 5 kPa (1 ± 0.7 psid) 1INST002604S Request
CCRM2554814S Reverse 250 Lohms 14 ± 5 kPa (2 ± 0.7 psid) 1INST002604S Request
CCRM2554840S Reverse 250 Lohms 40 ± 15 kPa (6 ± 2.2 psid) 1INST002604S Request

Installation & Accessories

Installation & Manufacturing Tools
Replacement Parts & Accessories
PART NUMBER DESCRIPTION
CCRT0900120S 558 Series Installation Tool
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Questions?

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.