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Check Valves

1000 Hi-Q Check Valve

This cartridge-style check valve is only 0.989 inches in diameter and 1.1 inches in length. Its unique design maximizes the free flow in a very short, compact package. It is ideal for applications with flow rates up to 80 GPM.

Key Product Facts
  • Poppet-Style Check Valves
  • Diameter:1 inch
  • Lohm Rate:3.5 Lohms max
  • Operating Pressures:Up to 5000 psi
  • Leakage:1 drop / hour at 5000 psi

Product Information

General Performance
Characteristic Specification
Maximum Leakage in Checked Direction at 5 psid 1 Drop / Minute
Maximum Leakage in Checked Direction at 1000-5000 psid 1 Drop / Hour
Lohm Rate at 15 psid and Greater 7.5 Lohms Maximum
Nominal System Pressure Up to 5000 psi
Nominal Weight 30 grams
Test Fluid MIL-PRF-83282 at 85°F
Materials
PART MATERIAL SPECIFICATION
Body 15-5PH CRES AMS 5659
Poppet 440C CRES AMS 5630
Spring 17-7PH CRES AMS 5678
Retainer 304 CRES QQ-P-35
Cage 304 CRES ASTM A 666
Finish: All CRES parts passivated.
Flow Curve
Cross Section View
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 Request Information
CKBA0750601A 1.5 Maximum 7.5 Lohms Maximum Request
CKBA0750605A 5 ± 3 7.5 Lohms Maximum Request

CAD Envelopes

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From plugs to solenoid valves, there’s a vast array of products that The Lee Company can offer. If you’d like to discuss the best solution for your specific application or to learn more about our capabilities, use-cases, or quality standards, contact your local Lee sales engineer.