Ø .187" Lo-Lohm Chek, Reverse Flow, Screened

Pin and Insert




CKRA1875205A • 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 - 4000 psid.
  • Lohm rate at 15 psid and greater is 140 Lohms Maximum.
  • Nominal System Pressure is 4000 psi Maximum.
  • Nominal Weight is 1.55 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
Screen
303 CRES
QQ-S-763C
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 CUTA1870110C
Replacement Pin Part Number CKFA1870005A
For Installation and Extraction Procedures, Tools and Oversize Spare Parts, follow this link

LEE Part Number
Cracking Pressure
(psid)
Lohm Rate
Screen Hole Size
(Inches)
Flow Direction
CKRA1875205A
5 ± 3
140
0.015
REVERSE
CKRA1875201A
1 ± 0.5
140
0.015
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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