This Danfoss / Eaton Cplng HK Series plug is constructed of carbon steel with Buna-N seals for compatibility with a range of hydraulic fluids. This male half quick disconnect coupling features a push-to-connect design and a sleeve lock safety mechanism.
Designed for oil and gas applications, it exceeds ISO 16028 operating pressures and features a 2-way valve type. The quick connect and disconnect design requires no special tools. This coupling offers a 7.5 gallons per minute flow rate and can function in minimum working temperatures as low as -40 degrees.
SKU: 4KFR26
Supplier Part Number (MPN): 4KFR26
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Specifications
Alternate Part Numbers
Alternate Part NumberMINO-00925X10979
Application
Oil and Gas
Certifications
ISO 7241-1 Series B|Lloyd's Register Certification
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13555
End Size 2
0.50
End Type 1
Push to Connect
End Type 2
NPTF
Features
Quick connect and disconnect|No need for special tools|Exceeds ISO 16028 operating pressures
Will this quick connect work with regular hydraulic fluid, or do I need something special?
Answer by: Customer Support on Jan 25, 2026, 5:09 PM
This Danfoss/Eaton HK series plug is constructed of carbon steel with Buna-N seals, making it compatible with a range of hydraulic fluids. Be sure to check the manufacturer's fluid compatibility document to verify suitability for your particular application.