This miniature check valve is only 0.25 inches in diameter and 0.78 inches in length. This valve features a poppet-style design to maximize the free flow in one direction and prevent flow in the other direction. It is ideal for applications with flow rates up to 6 GPM.
- Poppet-Style Check Valves
- Diameter: 0.25 inches
- Lohm Rate: 50 Lohms max
- Operating Pressures: Up to 3000 psi
- Leakage: 1 drop / hour at 3000 psi
General Performance
- Cracking Pressure: 5 ± 3 or 1 ± 0.5 psid
- Maximum Leakage in Checked Direction at 5 psid: 1 Drop / Minute
- Maximum Leakage in Checked Direction at 1000-3000 psid: 1 Drop / Hour
- Lohm Rate at 15 psid and Greater: 50 Lohms Maximum
- Nominal System Pressure: Up to 3000 psi
- Nominal Weight: 3.8 grams
- Test Fluid: MIL-PRF-83282 at 85°F
Materials
- Body: 304 CRES (AMS 5639)
- Pin: 17-4PH CRES (AMS 5643)
- Poppet: 15-5PH CRES (AMS 5659)
- Spring: 17-7PH CRES (AMS 5678)
- Spring Seat: 304 CRES (AMS 5639)
- Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate.
Part Numbers & Specifications
- CKFA2506205A: Cracking Pressure 5 ± 3 psid, Lohm Rate 50 Lohms Maximum, Flow Direction Forward
- CKFA2506201A: Cracking Pressure 1 ± 0.5 psid, Lohm Rate 50 Lohms Maximum, Flow Direction Forward
- CKRA2506205A: Cracking Pressure 5 ± 3 psid, Lohm Rate 50 Lohms Maximum, Flow Direction Reverse
- CKRA2506201A: Cracking Pressure 1 ± 0.5 psid, Lohm Rate 50 Lohms Maximum, Flow Direction Reverse
Replacement Parts & Accessories
- CUTA2500306C: Installation / Extraction Tool Set
- CKFA2500005A: Replacement Pin
- Flow Curve: Valve Performance on MIL-PRF-83282 at 85°F (see image in secondary images)
- Dimensional View: All dimensions are in inches (see image in secondary images)
- Installation Hole Details: All dimensions are in inches (see image in secondary images)
Key Product Facts:
- Poppet-Style Check Valves
- Diameter: 0.25 inches
- Lohm Rate: 50 Lohms max
- Operating Pressures: Up to 3000 psi
- Leakage: 1 drop / hour at 3000 psi