





LC Series Lincoln Long Stem Quick Couplings are designed for pneumatic connections requiring a long-stem plug profile. Compatible with Lincoln Long Stem and Parker 70 series profiles, they feature a 4-ball locking mechanism, manual sleeve operation and a 2.0 MPa maximum working pressure. Brass, carbon steel and stainless steel options are available.
The LC Series is designed around the Lincoln Long Stem profile, providing compatibility with Parker 70 series couplings. Its extended plug design offers a distinctive connection profile for matching sockets and plugs in pneumatic lines.
A manual sleeve and four-ball locking mechanism help keep the plug securely connected during operation. The single shut-off design supports straightforward connection and disconnection.
Key features:
● Working pressure: Up to 2.0 MPa
● Body size: 1/4 inch
● Temperature range: -10°C to +70°C
● Materials: Brass, zinc-plated carbon steel or stainless steel
● Seals: NBR standard; FKM and EPDM available
These Lincoln Long Stem quick couplings are suitable for compressed-air lines, air compressors, pneumatic tools and workshop equipment. They can also be considered for compatible low-pressure fluid applications after checking media and seal compatibility.
The LC20 range includes female and male socket connections, plus female and male threaded plugs. Standard thread options include 1/4-inch and 3/8-inch NPT.
Select matching plug and socket profiles, verify thread size and seal compatibility, then connect by operating the sleeve. Confirm the system pressure and temperature remain within the product ratings before use.






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