Description
Hansen 1K4143 Quick Disconnect Plug – 1HK (ISO 7241-1 Series B)
The Hansen 1K4143 is a compact 1/8 plug from the proven 1HK, designed for reliable, leak-free performance in demanding hydraulic and fluid power systems. Precision-machined components and a rugged zinc-plated steel body ensure durability, while the ISO 7241-1 Series B interchange provides full compatibility across multiple manufacturers.
As part of the original quick-coupling line invented by Fred Hansen in 1915, the HK Series remains a trusted industry standard for performance and compatibility in hydraulic applications worldwide.
Specifications
- Connection Type: 7/16-20 SAE plug
- Valve Style: 2-way shut-off, self-sealing poppet
- Material: Zinc-plated carbon steel body; stainless-steel springs and locking balls
- Seal: FKM seal
- Temperature Range*: Temperature range depends on seal material.
- Interchange: ISO 7241-1 Series B
- Max Operating Pressure: 4,000 psi
- Rated Flow: 3 lpm (0.8 gpm)
- Nominal Flow Diameter: 4.4 mm
- Air Inclusion (max): 0.6 cc
- Fluid Loss (max): 0.5 cc
*Temperature range depends on seal material.
Key Features
- Proven Hansen HK design – the original quick-coupling standard since 1915.
- ISO-B interchange for cross-compatibility with other manufacturers.
- Self-sealing poppet minimizes fluid loss during disconnection.
- Compact, push-to-connect operation with rugged zinc-plated steel construction.
Applications
- Hydraulic hose and equipment connections
- Mobile hydraulics and construction machinery
- General industrial fluid power systems
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