Ø .187" High Pressure Chek, Reverse Flow, Screened

Locking Pin and Chek Valve




CHRA1875505A • Free Flow Reverse

Installation Hole


  • Cracking Pressure is 5 ± 3 or 1 ± 0.5 psid.
  • Maximum Leakage is 1 drop/minute at 5 psid in the checked direction, 1 drop/hour at 1000 - 8000 psid.
  • Lohm rate at 15 psid and greater is 250 Lohms Maximum.
  • Maximum Working Pressure is 8000 psid.
  • Nominal Weight is 2.2 grams.
    (Valve performance on MIL-H-83282 at 80°F. 1 drop = 50 µL)
MATERIALS:
PART
MATERIAL
SPECIFICATION
Body
304 Cres
QQ-S-763
Pin
17-4PH Cres
AMS 5643
Poppet
15-5PH Cres
AMS 5659
Spring
17-7PH Cres
AMS 5678
Spring Seat
304 Cres
QQ-S-763
Screen
303 Cres
QQ-S-763C
Finish: All Cres Parts Passivated per QQ-P-35.
Pins are prewaxed. Do not degrease. Do not lubricate.

INSTALLATION AND EXTRACTION
Tool Set Part Number is CUTA1870210C
Replacement Pin Part Number JHHA1870003A
For Installation and Extraction Procedures, Tools and Oversize Spare Parts, follow this link
LEE Part Number
Cracking Pressure
Lohm Rate
Screen Hole Size (Inches)
Free Flow Direction
CHRA1875505A
5 ± 3
250
0.015
REVERSE
CHRA1875501A
1 ± 0.5
250
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 11/2002 by The Lee Company, USA
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