Poppet check valve CHFA series

backflowhigh-pressurePED

This miniature, high pressure check valve is only 0.375 inches in diameter and 1.3 inches in length. Its robust design prevents backflow in extreme high pressure systems up to 15,000 psi. The valve is constructed entirely of corrosion-resistant materials that are compliant with NACE specification MR0175 / ISO 15156. - Poppet-Style Check Valves - Diameter: 0.375 inches - Lohm Rate: 27 Lohms max - Operating Pressures: Up to 15,000 psi - Leakage: 1 drop / hour at 15,000 psi Characteristic | Specification --- | --- Cracking Pressure | 1 ± 0.5 or 5 ± 3 psid Maximum Leakage in Checked Direction at 5 psid | 1 Drop / Minute Maximum Leakage in Checked Direction at 1000-15,000 psid | 1 Drop / Hour Lohm Rate at 15 psid and Greater | 27 Lohms Maximum Nominal System Pressure | Up to 15,000 psi Test Fluid | MIL-PRF-83282 at 85°F PART | MATERIAL --- | --- Body | MP35N Poppet | MP35N Spring | Elgiloy® Pin | MP35N Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate. Part Numbers & Specifications PART NUMBER | CRACKING PRESSURE (psid) | LOHM RATE | FLOW DIRECTION --- | --- | --- | --- CHRA3756651A | 1 ± 0.5 | 27 Lohms Maximum | Reverse CHRA3756655A | 5 +/- 3 | 27 Lohms Maximum | Reverse CHFA3756651A | 1 ± 0.5 | 27 Lohms Maximum | Forward CHFA3756655A | 5 +/- 3 | 27 Lohms Maximum | Forward Replacement Parts & Accessories PART NUMBER | DESCRIPTION --- | --- CUTA3750306C | Installation / Extraction Tool Set CHFA3750353A | Replacement Pin - General Performance: Cracking Pressure: 1 ± 0.5 or 5 ± 3 psid; Maximum Leakage in Checked Direction at 5 psid: 1 Drop / Minute; Maximum Leakage in Checked Direction at 1000-15,000 psid: 1 Drop / Hour; Lohm Rate at 15 psid and Greater: 27 Lohms Maximum; Nominal System Pressure: Up to 15,000 psi; Test Fluid: MIL-PRF-83282 at 85°F - Materials: Body: MP35N; Poppet: MP35N; Spring: Elgiloy®; Pin: MP35N; Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate. - Dimensions: 0.375 inches diameter, 1.3 inches length - Operating Pressure: Up to 15,000 psi - Lohm Rate: 27 Lohms Maximum - Leakage: 1 drop/hour at 15,000 psi - Compliance: NACE specification MR0175 / ISO 15156