This miniature, high pressure check valve is only 0.187 inches in diameter and 0.82 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: 0.187 inches
- Lohm Rate: 210 Lohms max
- Operating Pressures: Up to 15,000 psi
- Leakage: 1 drop / hour at 15,000 psi
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 | 210 Lohms Maximum
Nominal System Pressure | Up to 15,000 psi
Test Fluid | MIL-PRF-83282 at 85°F
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
--- | --- | --- | ---
CHRA1876651A | 1 ± 0.5 | 210 Lohms Maximum | Reverse
CHRA1876655A | 5 +/- 3 | 210 Lohms Maximum | Reverse
CHFA1876651A | 1 ± 0.5 | 210 Lohms Maximum | Forward
CHFA1876655A | 5 +/- 3 | 210 Lohms Maximum | Forward
Replacement Parts & Accessories
PART NUMBER | DESCRIPTION
--- | ---
CUTA1870210C | Installation / Extraction Tool Set
CHFA1870353A | Replacement Pin
- Flow Curve and performance images available (see images section)
- Dimensional and installation hole details available (see images section)
Key Technical Specifications:
- Diameter: 0.187 inches
- Length: 0.82 inches
- Max Pressure: 15,000 psi
- Cracking Pressure: 1 ± 0.5 or 5 ± 3 psid
- Lohm Rate: 210 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
- Compliance: NACE MR0175 / ISO 15156