Poppet check valve CHFA series

miniaturebackflowhigh-pressure

This miniature, high pressure check valve is only 0.25 inches in diameter and 1 inch 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 5 GPM. - Poppet-Style Check Valves - Diameter: 0.25 inches - Lohm Rate: 60 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: 60 Lohms Maximum - Nominal System Pressure: Up to 8000 psi - Nominal Weight: 4.1 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 - CHFA2506505A: Cracking Pressure 5 ± 3 psid, 60 Lohms Maximum, Forward - CHFA2506501A: Cracking Pressure 1 ± 0.5 psid, 60 Lohms Maximum, Forward - CHRA2506505A: Cracking Pressure 5 ± 3 psid, 60 Lohms Maximum, Reverse - CHRA2506501A: Cracking Pressure 1 ± 0.5 psid, 60 Lohms Maximum, Reverse Replacement Parts & Accessories - CUTA2500406C: Installation / Extraction Tool Set - CHFA2500003A: Replacement Pin Key Product Facts - Poppet-Style Check Valves - Diameter: 0.25 inches - Lohm Rate: 60 Lohms max - Operating Pressures: Up to 8000 psi - Leakage: 1 drop / hour at 8000 psi Specifications / Technical Characteristics - Diameter: 0.25 inches - Length: 1 inch - Maximum system pressure: 8000 psi - Maximum flow rate: 5 GPM - Nominal weight: 4.1 grams - Cracking pressure: 5 ± 3 psid or 1 ± 0.5 psid - Maximum leakage: 1 drop/min at 5 psid, 1 drop/hour at 1000-8000 psid - Lohm rate: 60 Lohms maximum - Test fluid: MIL-PRF-83282 at 85°F - Body material: 304 CRES (AMS 5639) - Pin material: 17-4PH CRES (AMS 5643) - Poppet material: 15-5PH CRES (AMS 5659) - Spring material: 17-7PH CRES (AMS 5678) - Spring seat material: 304 CRES (AMS 5639) - Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate.