This miniature restrictor check valve is only 0.187 inches in diameter and 0.77 inches in length. This valve provides restricted flow in one direction and prevents flow in the other direction. Restriction rates are available from 1000 to 10,000 Lohms.
- Ball-Style Restrictor Check Valves
- Diameter: 0.187 inches
- Metered Lohm Rates: 1000-10,000 Lohms
- Operating Pressures: Up to 3000 psi
- Leakage: 1 drop / hour at 3000 psi
General Performance
- Metered Lohm Rate Tolerance: ±5% or ±10%
- Leakage in Checked Direction @ 5 psid: 1 drop/min max.
- Leakage in Checked Direction @ 1000-3000 psid: 1 drop/hr max.
- Nominal System Pressure: up to 3000 psi
- Cracking Pressure: 2 - 8 psid
- Nominal Weight: 2.7 grams
- Test Fluid: MIL-PRF-83282 at 85°F
Materials
- Body: 303 CRES, QQ-S-763C
- Pin: 303 CRES, QQ-S-763C
- Cage: 303 CRES, QQ-S-763C
- Ball Follower: 303 CRES, QQ-S-763C
- Spring: 17-7PH CRES, AMS 5678
- Ball Follower: 440C CRES, AMS 5630
- Screen: 304L CRES, ASTM A 666
- Braze: AMS 4774
Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate.
Replacement Parts & Accessories
- CUTA1870104C: Installation / Extraction Tool Set
- JETA1870003A: Replacement Pin
Key Product Facts
- Ball-Style Restrictor Check Valves
- Diameter: 0.187 inches
- Metered Lohm Rates: 1000-10,000 Lohms
- Operating Pressures: Up to 3000 psi
- Leakage: 1 drop / hour at 3000 psi
Cross Section Views
- Metered Flow Forward Configuration
- Metered Flow Reverse Configuration
Dimensional View
- This image is for reference only. All dimensions are in inches.
Installation Hole Details
- This image is for reference only. All dimensions are in inches.
Part Numbers & Specifications
- Multiple part numbers available with different tolerances (±5%, ±10%), metered flow directions (FORWARD, REVERSE), metered lohm rates (1000-10000), and nominal screen hole sizes (0.004-0.008 in).
Specifications / Technical Characteristics
- Diameter: 0.187 inches
- Length: 0.77 inches
- Restriction rates: 1000 to 10,000 Lohms
- Operating pressure: up to 3000 psi
- Leakage: 1 drop/hour at 3000 psi
- Cracking pressure: 2 - 8 psid
- Nominal weight: 2.7 grams
- Test fluid: MIL-PRF-83282 at 85°F
- Materials: 303 CRES, 17-7PH CRES, 440C CRES, 304L CRES
- Finish: All CRES parts passivated. Pins are prewaxed. Do not degrease. Do not lubricate.