Hydraulic and Pneumatic Quick Disconnect Couplings

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Core 4 hydraulic quick disconnects

With hundreds of sizes and styles to choose from, Danfoss has the right quick disconnect couplings for your next project. Our “core 4” offering represent the four most common, widely sold hydraulic and pneumatic quick disconnect styles that are easy to order, always in stock and ready to ship.

MLFF series

MLFF series

FF series superior flow saves cost by reducing fuel consumption.

Features:

  • Standard sleeve lock prevents accidental disconnection.
  • Industry leading flow and operating pressure performance.
  • Guardian Seal zinc trivalent plating offers up to 1,000 of corrosion resistance.
  • Color coded rings allow for easy identification of lines to prevent cross connecting.
  • Connect under pressure plug able to connect up to 350 bar.
HK series

HK series

Danfoss Hansen was the original designer of the HK coupling in 1915 setting the industry standard.

Features:

  • Self-sealing poppet valve design provides excellent high and low pressure sealing.
  • Zinc trivalent plated steel with stainless steel springs, balls and retaining rings.
  • PTFE back up seal
  • Wide array of customizations offered to suit all applications.
  • Highest flow among leading manufacturers
  • Higher flow equates to higher efficiency and less energy consumption
5600 series

5600 series

Danfoss' 5600 Series offers a wide array of port configurations and multiple valved and non-valved configurations.

Features:

  • Self-sealing poppet valve design provides excellent high and low pressure sealing.
  • Streamlined valving provides minimum pressure drop.
  • High resistance carbon steel with zinc trivalent plating.
  • Wide array of customizations offered to suit all applications.
  • Highest flow among leading manufacturers
5100 series

5100 series

Commonly found on dump trailer wet lines, higher flow performance can reduce cycle time and increase productivity.

Features:

  • Tubular valve construction for virtually no fluid loss during disconnection, reducing environmental and worker safety hazards.
  • Low air inclusions and connect under pressure capability up to 500psi.
  • Excellent vibration resistance and corrosion performance.
  • Up to 115% more flow over competing brands

Core 4 Pneumatic quick disconnects

Auto-Flo series

Auto-Flo series

Designed with high flow and easy automatic connections.

Features:

  • Auto-Flo 23 is the first automatic universal quick disconnect coupling designed to operate with Industrial, ARO 210 and Tru Flate Interchange plugs/males.

  • Easy, automatic push-to-connect design provides instantaneous connection and disconnection of lines.

  • The universal design makes Auto-Flo an extremely flexible coupling series.

1000/400/500 series

1000/400/500 series

Industrial Interchange coupling that is rugged and reliable designed for use with compressed air, gases, and liquids.

Features:

  • Ball latching mechanism.

  • Optional sleeve lock prevents accidental disconnection.

  • All sizes accept US Industrial Interchange.

  • 400 series accepts Tru-Flate Interchange.

  • Brass body with nickel plated steel offers high corrosion resistance.

210/310 series

210/310 series

Danfoss ARO 210/ 310 interchange offers rugged corrosion resistant performance.

Features:

  • Danfoss' ARO 210/310 interchange offers a pin-lock design with alloy steel locking pins and automatic push-to-connect operation.

  • Zinc trivalent plated carbon steel offers high durability with superior corrosion performance.

2RL/3RL series

2RL/3RL series

Danfoss' 2RL/3RL ring lock series have a unique interchange which are designed for use with compressed air.

Features:

  • High Flow capacity.

  • Push to connect with a ring lock sleeve designed to prevent accidental disconnection.

  • Standard body material: Zinc trivalent plated steel.

Documents

Documents
Type Name Language Valid for Updated Download File type
Brochure Danfoss Hansen FF Coupling Brochure English Multiple 15 Jun, 2023 4.2 MB .pdf
Catalog Danfoss Hansen QDC Global Master Catalog English Multiple 08 Jan, 2024 32.8 MB .pdf
Promotion material Danfoss Hansen QDC Poster A1 English Multiple 04 Jul, 2023 5.3 MB .pdf
Promotion material Danfoss Hansen QDC Poster A1 French France 05 Jul, 2023 5.3 MB .pdf
Promotion material Danfoss Hansen QDC Poster A1 German Germany 05 Jul, 2023 5.3 MB .pdf
Promotion material Danfoss Hansen QDC Poster A1 Chinese (CN) China 22 Aug, 2023 4.1 MB .pdf
White paper Danfoss Hansen® Flat Face Coupling Series White Paper English Multiple 06 Apr, 2023 5.2 MB .pdf
Brochure Danfoss Multiplate System (Multi-FF) Connecting fast and easy multiple lines English Multiple 14 Feb, 2023 751.4 KB .pdf
White paper Multiplate coupling device enables fast and reliable connection of hydraulic lines on mobile platforms - white paper English Multiple 23 Nov, 2022 2.5 MB .pdf

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In our digital catalog you can find product specifications, literature and helpful tools like product configurators, 2D/3D models, cross reference, crimp specs and many more.