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Check Valves

8 mm Insert 316L Check Valve

This threadless, cartridge-style, one-way valve is made with medical grade 316L stainless steel and a ceramic ball for improved compatibility with hydrogen and other aggressive fluids. This valve features The Lee Company’s field-proven locking end that provides retention into metal manifolds without the use of 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:7.95 mm
  • Lohm Rate:75 Lohms
  • Maximum Working Pressure Differential:Up to 280 Bar
  • Valve Seat Type:Metal

Product Information

General Performance
Characteristic Specification
Lohm Rate 75 Lohms
Leakage 20 SCCM max. at 172 kPa (25 psid) on air
Cracking Pressure Definition Is the uprun pressure at which the valve will flow more than 50 SCCM of air
Maximum Working Pressure Differential, Forward Flow Valve, Checked Direction 160 bar
Maximum Working Pressure Differential, Reverse Flow Valve, Checked Direction 280 bar
Maximum Working Pressure Differential, Flow Direction 40 bar
Installation Force 6.6 kN 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 APPROXIMATE WEIGHT Request Information
CCFM2804800S Forward 75 Lohms 0 kPa (No Spring) 1INST003066S 1.75 grams Request
CCFM2804804S Forward 75 Lohms 4 ± 3 kPa (0.6 ± 0.4 psid) 1INST003066S 1.75 grams Request
CCFM2804807S Forward 75 Lohms 7 ± 5 kPa (1 ± 0.7 psid) 1INST003066S 1.75 grams Request
CCFM2804814S Forward 75 Lohms 14 ± 5 kPa (2 ± 0.7 psid) 1INST003066S 1.75 grams Request
CCFM2804840S Forward 75 Lohms 40 ± 15 kPa (6 ± 2.2 psid) 1INST003066S 1.75 grams Request
CCFM2804869S Forward 75 Lohms 69 ± 15 kPa (6 ± 2.2 psid) 1INST003066S 1.75 grams Request
CCRM2804800S Reverse 75 Lohms 0 kPa (No Spring) 1INST002350S 2.25 grams Request
CCRM2804804S Reverse 75 Lohms 4 ± 3 kPa (0.6 ± 0.4 psid) 1INST002350S 2.25 grams Request
CCRM2804807S Reverse 75 Lohms 7 ± 5 kPa (1 ± 0.7 psid) 1INST002350S 2.25 grams Request
CCRM2804814S Reverse 75 Lohms 14 ± 5 kPa (2 ± 0.7 psid) 1INST002350S 2.25 grams Request
CCRM2804840S Reverse 75 Lohms 40 ± 15 kPa (6 ± 2.2 psid) 1INST002350S 2.25 grams Request
CCRM2804869S Reverse 75 Lohms 69 ± 15 kPa (6 ± 2.2 psid) 1INST002350S 2.25 grams Request

Installation & Accessories

Installation & Manufacturing Tools
Replacement Parts & Accessories
PART NUMBER DESCRIPTION
CCRT0900150S 8 mm Insert Valve Installation Tool
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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.