This miniature, high pressure check valve is only 0.25 inches in diameter and 1 inch 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: 0.25 inches
- Lohm Rate: 60 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 | 60 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
--- | --- | --- | ---
CHRA2506651A | 1 ± 0.5 | 60 Lohms Maximum | Reverse
CHRA2506655A | 5 +/- 3 | 60 Lohms Maximum | Reverse
CHFA2506651A | 1 ± 0.5 | 60 Lohms Maximum | Forward
CHFA2506655A | 5 +/- 3 | 60 Lohms Maximum | Forward
Replacement Parts & Accessories
PART NUMBER | DESCRIPTION
--- | ---
CUTA2500406C | Installation / Extraction Tool Set
CHFA2500353A | Replacement Pin
- Flow Curve and cross-section images available in the gallery.
- Compliant with NACE MR0175 / ISO 15156 for corrosion resistance.
Key Technical Specifications:
- Diameter: 0.25 inches
- Length: 1 inch
- Operating Pressure: Up to 15,000 psi
- Lohm Rate: 60 Lohms Maximum
- Leakage: 1 drop/hour at 15,000 psi
- Body/Poppet/Pin Material: MP35N
- Spring Material: Elgiloy®
- Finish: All CRES parts passivated, pins prewaxed
- Compliant with NACE MR0175 / ISO 15156