Page 304 - ZSi-Foster Engineering Catalog - Electronic Version 2
P. 304

1⁄4" - LN & L Series (Interchange with Lincoln Long Nose)
  Foster LN Series couplings are interchangeable with Lincoln’s “Long Nose” series couplings and offer quick coupling of all air-operated equipment. They are only available in 1⁄4" body size, brass and steel construction.
• Locking feature prevents accidental coupler detachment
• Increased air flow due to a larger air passage
• Automatic air check valve shuts off air instantly when uncoupled, providing leak-proof seal.
• Corrosion resistant steel for long service life
• Free swivel helps prevent kinking or curling of air hoses
Specifications:
Type: One Way Shut-Off
Rated Pressure: 300 PSIG
Temperature Range (std seals): -40° to +250°F. Locking Device: Balls or pins
LN & L Series Automatic 1⁄4" Sockets
Operation:
Manual - socket sleeve must be retracted to connect and disconnect
Automatic - Push to Connect, retract socket sleeve to
disconnect
“LN” Series
Performance:
40 30
20
10
 Inlet Pressure 100 PSI
80 PSI
2345678910 20 Pressure Drop in PSI
           Part No.
 LN2803 1⁄8"
LN1513 1⁄4"
LN1713 3⁄8"
 LN3003 B-2LF2-B
Brass/Steel
1 ⁄4" LN3203 3⁄8"
Brass/Steel
Brass/Steel
Brass/Steel
Hose clamps not required when used with “Push On” hose. See page 369.
                 LN2903 1⁄8"
LNSB3
LNSB5
LNSB7
LNSC5
LNSC7
LNSD11
LNSD13
LNSD7
LNSD9
See page 381 for full size templates
See page 373 - 374 for optional seal compounds
1⁄4" x 1⁄2"
1⁄4" x 9⁄16"
1⁄4" x 5⁄8"
15⁄16" x 9⁄16"
15⁄16" x 5⁄8"
3⁄8" x 5⁄8"
3⁄8" x 11⁄16"
3⁄8" x 3⁄4"
3⁄8" x 13⁄16"
  LN3103 B-2LM2-B
 1 ⁄4" LN3303 3⁄8"
Brass/Steel
             LN3603 1⁄4"
LN3653 5⁄16"
LN3703 3⁄8"
    Requires Hose Clamp (See page 200 for typical hose clamps)
Brand - Designates =Foster or =Breco Part
– 304 –
www.zsi-foster.com
FPT
MPT
Description
Description
Part No.
Part No.
I.D.
I.D. x O.D.
Description
      Part No.
Description
         Part No.
I.D.
Description
     WARNING: These products can expose you to chemicals including lead, which is known to the State of California to cause cancer, and which is known to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
 Brand Brand
Hose Stem Male Thread Female Thread
Reusable Hose Clamp Push-On Hose Stem
Air Flow in SCFM














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