Hansen B20K61

Description

Hansen B20K61 Quick Disconnect Plug – 20HK (ISO 7241-1 Series B)

The Hansen B20K61 is a dependable 2 1/2″ hydraulic plug coupling from the proven 20HK, built for leak-free performance in hydraulic and fluid transfer systems where corrosion resistance and broad fluid compatibility are important. Its rugged brass construction supports long service life, while ISO 7241-1 Series B interchange helps maintain compatibility across manufacturers.

As part of the original quick-coupling line invented by Fred Hansen in 1915, the HK Series remains a trusted standard for interchangeability, secure connection, and long-term hydraulic performance.

Specifications

• Connection Type: 3-8 NPTF x ISO-B Plug
• Valve Style: 2-way shut-off, self-sealing poppet
• Material: Brass body with stainless-steel springs and locking balls
• Seal: Nitrile (NBR) standard
• Temperature Range*: -40 °F to +250 °F (-40 °C to +121 °C) with NBR
• Interchange: ISO 7241-1 Series B (HK Series)
• Max Operating Pressure: 49 bar (700 psi)
• Rated Flow: 757 lpm (200 gpm)
• Nominal Flow Diameter: 46 mm
• Air Inclusion (max): 209.9 cc
• Fluid Loss (max): 209.9 cc

*Temperature range depends on seal material.

Key Features

• Proven Hansen HK design based on the original quick-coupling concept.
• ISO-B interchange for compatibility across manufacturers.
• Self-sealing poppet helps minimize fluid loss during disconnection.
• Brass construction supports corrosion resistance and dependable service life.

Applications

• Construction and agricultural hydraulics
• Industrial fluid power systems
• General fluid transfer circuits where corrosion resistance matters