Ø .187 Lee Chek, Axial Flow

Locking Pin and Chek Valve


Forward Flow


Reverse Flow


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 - 3000 psid.
  • Lohm rate at 20 psid and greater is 400 Lohms Maximum
  • Maximum Working Pressure is 3000 psid
  • Nominal Weight is 1.5 grams
(Valve performance on MIL-H-83282 at 80°F. 1 drop = 50 µL)
MATERIALS:
PART
MATERIAL
SPECIFICATION
Body
303 Cres
QQ-S-763C
Pin
303 Cres
QQ-S-763C
Spring
17-7PH Cres
AMS 5678
Ball
440C Cres
AMS 5630
Ball Follower
303 Cres
QQ-S-763C
Spring Seat
303 Cres
QQ-S-763C
Cage
303 Cres
QQ-S-763C

INSTALLATION AND EXTRACTION
Tool Set Part Number is CUTA1870104C
Procedures See Pages L21 – L25
Line Mount Configurations See Pages J6 – J8
Replacement Pin Part Number JETA1870003A
For boss size see page L19. For oversize see page L23.

LEE Part Number
Cracking Pressure
Lohm Rate
Free Flow Direction
CKFA1876005A
5 ± 3
400
FORWARD
CKFA1871001A
1 ± 0.5
400
FORWARD
CKRA1876005A
5 ± 3
400
REVERSE
CKRA1871001A
1 ± 0.5
400
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 07/2008 by The Lee Company, USA
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