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Check Valves

250 NACE Compliant, High Pressure Check Valve

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.

Key Product Facts
  • 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

Product Information

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.
Flow Curve
Cross Section Views
Dimensional View
Installation Hole Details

Part Numbers & Specifications

This table below contains the part numbers and technical specifications for this product. If you have specific questions, need a quote, or would like to request a handbook or drawing, click the red request button in the column on the far right.

Part Numbers & Specifications
PART NUMBER CRACKING PRESSURE (psid) LOHM RATE FLOW DIRECTION Request Information
CHRA2506651A 5 ± 3 60 Lohms Maximum Reverse Request
CHRA2506655A 1 ± 0.5 60 Lohms Maximum Reverse Request
CHFA2506651A 5 ± 3 60 Lohms Maximum Forward Request
CHFA2506655A 1 ± 0.5 60 Lohms Maximum Forward Request

Installation & Accessories

Replacement Parts & Accessories
PART NUMBER DESCRIPTION
CUTA2500406C Installation / Extraction Tool Set
CHFA2500353A Replacement Pin
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