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

Screen, Locking Pin and Chek Valve





CHFA1875505A • Free Flow Forward

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 2.4 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
Springs
17-7PH Cres
AMS 5678
Screen
304L Cres
ASTM A 666
Braze
-
AMS 4774
Post
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: Insert is CUTA1870210C
Screen is CUTA1870228C
Replacement Pin Part Number JHHA1870003A
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
CHFA1875505A
5 ± 3
250
0.015
FORWARD
CHFA1875501A
1 ± 0.5
250
0.015
FORWARD
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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