This miniature, high pressure check valve is only 0.5 inches in diameter and 1.8 inches in length. Its robust design prevents backflow in high pressure systems up to 8000 psi. It is ideal for applications with flow rates up to 20 GPM.
- Poppet-Style Check Valves
- Diameter: 0.5 inches
- Lohm Rate: 15 Lohms max
- Operating Pressures: Up to 8000 psi
- Leakage: 1 drop / hour at 8000 psi
General Performance
- Cracking Pressure: 5 ± 3 psid or 1 ± 0.5 psid
- Maximum Leakage in Checked Direction at 5 psid: 1 Drop/Minute
- Maximum Leakage in Checked Direction at 1000-8000 psid: 1 Drop/Hour
- Lohm Rate at 15 psid and Greater: 15 Lohms Maximum
- Nominal System Pressure: Up to 8000 psi
- Nominal Weight: 29 grams
- Test Fluid: MIL-PRF-83282 at 85°F
Materials
- Body: 304 CRES (AMS 5639)
- Pin: 15-5PH CRES (AMS 5659)
- Poppet: 15-5PH CRES (AMS 5659)
- Spring: 17-7PH CRES (AMS 5678)
- Spring Seat: 303 CRES (QQ-S-763C)
- Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate.
Part Numbers & Specifications
- CHFA5006505A: Cracking Pressure 5 ± 3 psid, Lohm Rate 15 Lohms Maximum, Forward Flow
- CHFA5006501A: Cracking Pressure 1 ± 0.5 psid, Lohm Rate 15 Lohms Maximum, Forward Flow
- CHRA5006505A: Cracking Pressure 5 ± 3 psid, Lohm Rate 15 Lohms Maximum, Reverse Flow
- CHRA5006501A: Cracking Pressure 1 ± 0.5 psid, Lohm Rate 15 Lohms Maximum, Reverse Flow
Replacement Parts & Accessories
- CUTA5000206C: Installation / Extraction Tool Set
- CHFA5000003A: Replacement Pin
Characteristics / Technical Specifications
- Miniature high pressure check valve
- Diameter: 0.5 inches
- Length: 1.8 inches
- Maximum operating pressure: 8000 psi
- Maximum flow rate: 20 GPM
- Lohm Rate: 15 Lohms max
- Leakage: 1 drop/hour at 8000 psi
- Nominal weight: 29 grams
- Body material: 304 CRES (AMS 5639)
- Pin material: 15-5PH CRES (AMS 5659)
- Poppet material: 15-5PH CRES (AMS 5659)
- Spring material: 17-7PH CRES (AMS 5678)
- Spring seat material: 303 CRES (QQ-S-763C)
- All CRES parts passivated
- Pins are prewaxed