Ø .250" Lo-Lohm Chek

Pin and Insert



CKFA2506205A • Free Flow Forward




CKRA2506205A • Free Flow Reverse




Installation Hole




Performance




  • Cracking Pressure is 5 ± 3 or 1 ± 0.5 psid.
  • Maximum Leakage in checked direction is 1 drop/minute at 5 psid; 1 drop/hour at 1000 - 3000 psid.
  • Lohm rate at 15 psid and greater is 50 Lohms Maximum.
  • Nominal System Pressure is 3000 psi Maximum.
  • Nominal Weight is 3.8 grams.
    (Valve performance on MIL-PRF-83282 at 85°F. 1 drop = 50 µL)

MATERIALS
PART
MATERIAL
SPECIFICATION
Body
304 CRES
AMS 5639
Pin
17-4PH CRES
AMS 5643
Poppet
15-5PH CRES
AMS 5659
Spring
17-7PH CRES
AMS 5678
Spring Seat
304 CRES
AMS 5639
Finish: All CRES Parts Passivated
Pins are prewaxed. Do not degrease. Do not lubricate.

INSTALLATION AND EXTRACTION
Tool Set Part Number is CUTA2500306C
Replacement Pin Part Number CKFA2500005A
For Installation and Extraction Procedures, Tools and Oversize Spare Parts, follow this link

LEE Part Number
Cracking Pressure (psid)
Lohm Rate
Flow Direction
CKFA2506205A
5 ± 3
50
FORWARD
CKFA2506201A
1 ± 0.5
50
FORWARD
CKRA2506205A
5 ± 3
50
REVERSE
CKRA2506201A
1 ± 0.5
50
REVERSE
For more information, please send us your application information via our ASK LEE service. Or contact our application engineers in the USA at 1-800-LEE-PLUG or our representatives around the world.
Copyright 08/2008 by The Lee Company, USA
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