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Check Valves

156 HFS Check Valve

This miniature check valve is only 0.156 inches in diameter and 0.49 inches in length. Its unique design offers both high flow and high pressure capability in a compact package. This valve is ideal for applications with flow rates up to 1.2 GPM.

Key Product Facts
  • Ball-Style Check Valves
  • Diameter:0.156 inches
  • Lohm Rate:250 Lohms max
  • Operating Pressures:Up to 5000 psi
  • Leakage:1 drop / hour at 5000 psi

Product Information

General Performance
Characteristic Specification
Cracking Pressure 5 ± 3 or 1 ± 0.5 psid
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 20 psid and Greater 250 Lohms
Nominal System Pressure Up to 5000 psi
Nominal Weight 0.7 grams
Test Fluid MIL-PRF-83282 at 85°F
Materials
PART MATERIAL SPECIFICATION
Body 15-5PH CRES AMS 5659
Pin 13-8 MO CRES AMS 5629
Spring 302 CRES AMS 5688
Ball 440C CRES AMS 5630
Ball Follower 15-5PH CRES AMS 5659
Finish: All CRES parts passivated.
Pins are prewaxed. Do not degrease. Do not lubricate.
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 FLOW DIRECTION Request Information
CHFA1566505A 5 ± 3 250 Lohms Maximum Forward Request
CHFA1566501A 1 ± 0.5 250 Lohms Maximum Forward Request

Installation & Accessories

Replacement Parts & Accessories
PART NUMBER DESCRIPTION
CUTA1560106C Installation / Extraction Tool Set

CAD Envelopes

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Questions?

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.