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This threadless, cartridge-style, check valve is designed with an integral piloting piston to enable piloted actuation. It acts as a check valve under normal conditions, and when pilot pressure is applied to Port B it opens the valve to allow flow from Port A to Port C. Rugged construction and is 100% performance-tested to ensure consistent operation over time. This 5.5 mm check 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.
| Characteristic | Specification |
|---|---|
| Piloted Lohm Rate [Port A to Port C] | 525 Lohms |
| Minimum Pilot Ratio [Port A to Port B] | 3:1 |
| Valve Flow Direction | Reverse Flow |
| Cracking Pressure Definition | Is the uprun pressure at which the valve will flow more than 50 SCCM of air. |
| Checked Direction Leakage [Port A to Port C] | 20 SCCM (max.) at 172 kPa (25 psid) on Air |
| Maximum Working Pressure Differential | 280 bar |
| Installation Force | 5.3 kN (min.) to 6.2 kN (max.) |
| COMPONENT | MATERIAL |
|---|---|
| Upper Body | 303 Stainless Steel |
| Lower Body | 303 Stainless Steel |
| Cage | 305 Stainless Steel |
| Pin | 416 Stainless Steel |
| Spring | 302 Stainless Steel |
| Ball | 440C Stainless Steel |
| Seal | FKM |
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 NUMBER | DESCRIPTION |
|---|---|
| CCRT0900120S | 5.5 mm Installation Tool |
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.
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The Lee Company has developed the Lohm Laws for defining and measuring resistance to fluid flow. The Lohm is defined such that 1 Lohm will flow 100 GPM of water with a pressure drop of 25 psi at a temperature of 80°F.
Always verify flow calculations by experiment.
*There are many parameters to consider when determining V-Factor. Click here for more information.
