NKC Hi-Flo Air Coupler - 1/4" BSP Female (NL22SF)

Industrial Japanese Engineering for Maximum Airflow

The NKC NL22SF is a premium, high-performance air coupler manufactured in Japan by Yoshida Mfg. Co. Designed for high-demand industrial environments, the "Hi-Flo" (Nitto Profile) series provides significantly higher CFM delivery compared to standard Aro fittings. If you are running 1/2" or 3/4" impact wrenches, grinders, or high-volume spray equipment, the NKC NL series is the professional choice for reducing pressure drop and maximizing tool torque.

Technical Specifications

Brand / Manufacturer	NKC (Yoshida Mfg. Co., Ltd - Japan)
Model Number	NL22SF (Socket / Female Thread)
Profile Type	Hi-Flo / Nitto / European Standard (7.2mm - 7.4mm)
Thread Size	1/4" BSP (British Standard Pipe)
Body Material	Hardened Steel with High-Grade Corrosion Resistance

Universal Hi-Flo Interchangeability

The NKC NL series is fully compatible with the world’s leading high-flow profiles. This coupler will seamlessly interchange with:

CEJN 320 Series
Rectus 25 & 26 Series
JWL 520 & 530 Series
Standard Euro High-Flow Plugs

Why Choose NKC (Yoshida) Fittings?

Superior Flow Path: Optimized internal valve design minimizes turbulence and delivers maximum air volume to the tool.
Japanese Precision: Manufactured to tighter tolerances than generic alternatives, ensuring a 100% leak-free seal and longer service life.
One-Hand Operation: The smooth, precision-engineered sleeve allows for effortless "push-to-connect" tool changes.
Extreme Durability: Built to withstand the daily rigors of automotive workshops, heavy manufacturing, and construction sites.

Expert Selection Advice

Note: This is a High-Flow (Nitto) profile coupler. It will NOT fit standard Aro 210 profile plugs. Ensure your tool plugs are "Hi-Flo" or "Nitto" style (7.2mm–7.4mm nipple diameter) to enjoy the massive performance benefits of the NKC NL series.