This miniature check valve is only 0.187 inches in diameter and 0.66 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 2.5 GPM.
- Ball-Style Check Valves
- Diameter: 0.187 inches
- Lohm Rate: 120 Lohms max
- Operating Pressures: Up to 5000 psi
- Leakage: 1 drop / hour at 5000 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 1000-5000 psid: 1 Drop / Hour
- Lohm Rate at 25 psid and Greater: 120 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
- CHFA1876801A: Cracking Pressure 1 ± 0.5 psid, 120 Lohms Maximum, Forward Flow
- CHFA1876805A: Cracking Pressure 5 ± 3 psid, 120 Lohms Maximum, Forward Flow
Replacement Parts & Accessories
- CUTA1870210C: Installation / Extraction Tool Set
- CHFA1870005A: Replacement Pin
Key Product Facts
- Ball-Style Check Valves
- Diameter: 0.187 inches
- Lohm Rate: 120 Lohms max
- Operating Pressures: Up to 5000 psi
- Leakage: 1 drop / hour at 5000 psi
Specifications / Technical Characteristics
- Diameter: 0.187 inches
- Length: 0.66 inches
- Flow rate: up to 2.5 GPM
- Cracking Pressure: 5 ± 3 or 1 ± 0.5 psid
- Maximum Leakage: 1 Drop / Minute at 5 psid, 1 Drop / Hour at 1000-5000 psid
- Lohm Rate: 120 Lohms Maximum at 25 psid and Greater
- Nominal System Pressure: Up to 5000 psi
- Test Fluid: MIL-PRF-83282 at 85°F
- Body Material: 15-5PH CRES (AMS 5659)
- Pin Material: 13-8MO Stainless Steel (AMS 5629)
- Ball Follower Material: 303 CRES (QQ-S-763C)
- Ball Material: 440C CRES (AMS 5630 or AMS 5618)
- Spring Material: 17-7PH CRES (AMS 5678)
- Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate.