Ball check valve CKFA series

miniature

This miniature check valve is only 0.187 inches in diameter and 0.62 inches in length. This valve features an economical ball-style design allowing free flow in one direction and preventing flow in the other direction. It is ideal for applications with flow rates up to 1.2 GPM. - Ball-Style Check Valves - Diameter: 0.187 inches - Lohm Rate: 250 Lohms max - Operating Pressures: Up to 3000 psi - Leakage: 1 drop / hour at 3000 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 1000-3000 psid: 1 Drop / Hour - Lohm Rate at 20 psid and Greater: 250 Lohms - Nominal System Pressure: Up to 3000 psi - Nominal Weight: 1.5 grams - Test Fluid: MIL-PRF-83282 at 85°F Materials - Body: 303 CRES, Specification: QQ-S-763C - Pin: 17-4PH CRES, Specification: AMS 5643 - Spring: 17-7PH CRES, Specification: AMS 5678 - Ball: 440C CRES, Specification: AMS 5630 - Ball Follower: 303 CRES, Specification: QQ-S-763C - Spring Seat: 303 CRES, Specification: QQ-S-763C - Cage: 303 CRES, Specification: QQ-S-763C Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate. Part Numbers & Specifications - CKFA1876105A: Cracking Pressure: 5 ± 3, Lohm Rate: 250 Lohms Maximum, Flow Direction: Forward - CKFA1876101A: Cracking Pressure: 1 ± 0.5, Lohm Rate: 250 Lohms Maximum, Flow Direction: Forward - CKRA1876105A: Cracking Pressure: 5 ± 3, Lohm Rate: 250 Lohms Maximum, Flow Direction: Reverse - CKRA1876101A: Cracking Pressure: 1 ± 0.5, Lohm Rate: 250 Lohms Maximum, Flow Direction: Reverse Replacement Parts & Accessories - CUTA1870104C: Installation / Extraction Tool Set - JETA1870004A: Replacement Pin - Flow Curve and performance images available (see images) - Installation and dimensional drawings available (see images) Key Technical Specifications: - Diameter: 0.187 inches - Length: 0.62 inches - Flow Rate: up to 1.2 GPM - Operating Pressure: up to 3000 psi - Lohm Rate: 250 Lohms max - Leakage: 1 drop/hour at 3000 psi - Cracking Pressure: 5 ± 3 or 1 ± 0.5 psid - Nominal Weight: 1.5 grams - Body Material: 303 CRES - Ball Material: 440C CRES