This miniature check valve is only 0.25 inches in diameter and 0.74 inches in length. This valve’s unique design offers both high flow and high pressure capability in a compact package. It is ideal for applications with flow rates up to 5.6 GPM.
- Ball-Style Check Valves
- Diameter: 0.25 inches
- Lohm Rate: 55 Lohms max
- Operating Pressures: Up to 5000 psi
- Leakage: 1 drop / hour at 5000 psi
General Performance
- Maximum Leakage in Checked Direction at 5 psid: 1 Drop / Minute
- Maximum Leakage in Checked Direction at 1000-5000 psid: 1 Drop / Hour
- Lohm Rate at 25 psid and Greater: 55 Lohms Maximum
- Nominal System Pressure: Up to 5000 psi
- Test Fluid: MIL-PRF-83282 at 85°F
Materials
- Body: 15-5PH CRES (AMS 5659)
- Pin: 13-8MO Stainless Steel (AMS 5629)
- Ball Follower: 303 CRES (QQ-S-763C)
- Ball: 440C CRES (AMS 5630 or AMS 5618)
- Spring: 17-7PH CRES (AMS 5678)
- Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate.
Part Numbers & Specifications
- PART NUMBER: CHFA2506801A, CRACKING PRESSURE (psid): 1 ± 0.5, LOHM RATE: 55 Lohms Maximum, FLOW DIRECTION: Forward
- PART NUMBER: CHFA2506805A, CRACKING PRESSURE (psid): 5 ± 3, LOHM RATE: 55 Lohms Maximum, FLOW DIRECTION: Forward
Replacement Parts & Accessories
- Part Number: CUTA2500406A, Description: Installation / Extraction Tool Set
- Part Number: CHFA2500005A, Description: Replacement Pin
- Flow Curve, Cross Section View, Dimensional View, and Installation Hole Details available as images (see secondary images).
Key Technical Specifications:
- Type: Ball-Style Check Valve
- Diameter: 0.25 inches
- Length: 0.74 inches
- Maximum Flow Rate: 5.6 GPM
- Lohm Rate: 55 Lohms max
- Operating Pressure: Up to 5000 psi
- Leakage: 1 drop/hour at 5000 psi
- Body Material: 15-5PH CRES (AMS 5659)
- Pin Material: 13-8MO Stainless Steel (AMS 5629)
- Ball Follower: 303 CRES (QQ-S-763C)
- Ball: 440C CRES (AMS 5630 or AMS 5618)
- Spring: 17-7PH CRES (AMS 5678)
- Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate.