This miniature, high pressure check valve is only 0.125 inches in diameter and 0.52 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: 0.125 inches
- Lohm Rate: 400 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 | 400 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
--- | --- | --- | ---
CHRA1256651A | 1 ± 0.5 | 400 Lohms Maximum | Reverse
CHRA1256655A | 5 +/- 3 | 400 Lohms Maximum | Reverse
CHFA1256651A | 1 ± 0.5 | 400 Lohms Maximum | Forward
CHFA1256655A | 5 +/- 3 | 400 Lohms Maximum | Forward
Replacement Parts & Accessories
PART NUMBER | DESCRIPTION
--- | ---
CUTA1250306C | Installation / Extraction Tool Set
CHFA1250354A | Replacement Pin
- Flow Curve and Cross Section Views available in the gallery.
- Dimensional and installation hole details available in the gallery.
- Compliant with NACE MR0175 / ISO 15156
- Body, poppet, and pin: MP35N
- Spring: Elgiloy®
- All CRES parts passivated
- Pins are prewaxed
- Do not degrease or lubricate