This miniature, high pressure check valve is only 0.5 inches in diameter and 1.7 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: 0.5 inches
- Lohm Rate: 15 Lohms max
- Operating Pressures: Up to 15,000 psi
- Leakage: 1 drop / hour at 15,000 psi
General Performance
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 | 15 Lohms Maximum
Nominal System Pressure | Up to 15,000 psi
Test Fluid | MIL-PRF-83282 at 85°F
Materials
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
--- | --- | --- | ---
CHRA5006651A | 1 ± 0.5 | 15 Lohms Maximum | Reverse
CHRA5006655A | 5 +/- 3 | 15 Lohms Maximum | Reverse
CHFA5006651A | 1 ± 0.5 | 15 Lohms Maximum | Forward
CHFA5006655A | 5 +/- 3 | 15 Lohms Maximum | Forward
Replacement Parts & Accessories
PART NUMBER | DESCRIPTION
--- | ---
CUTA5000206C | Installation / Extraction Tool Set
CHFA5000353A | Replacement Pin
- Flow Curve and Cross Section Views available (see images)
- Dimensional and Installation Hole Details available (see images)
Key Technical Specifications:
- Diameter: 0.5 inches
- Length: 1.7 inches
- Max Pressure: 15,000 psi
- Material: MP35N, Elgiloy®
- Compliance: NACE MR0175 / ISO 15156
- Leakage: 1 drop/hour at 15,000 psi
- Lohm Rate: 15 Lohms max