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  6. HSU CUPLA - For Harsh Environments Like Marine Development

HSU CUPLA - For Harsh Environments Like Marine Development

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last updated:Jan 20, 2026

NITTO KOHKI CO., LTD.
NITTO KOHKI CO., LTD.
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Sleeve lock prevents accidental disconnection for enhanced safety! Corrosion resistant stainless steel body ensures durability.

HSU CUPLA is a quick connect coupling for high pressure applications, made of corrosion resistant stainless steel. The new design offers a more compact body and increased flow rate compared to our S210 CUPLA. It is equipped with a sleeve lock to prevent accidental disconnection. The seal material is hydrogenated nitrile rubber (HNBR), suitable for various fluids. Features: ■ High flow rate with compact design ■ Sleeve lock prevents accidental disconnection; easily locked by shifting the sleeve groove and stopper position ■ HNBR seal material supports various fluids For more details, please refer to the PDF catalog or feel free to contact us.

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HSU CUPLA - For Harsh Environments Like Marine Development

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  • Related Link - https://www.nitto-kohki.co.jp/apps/prd/search/Sear…
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Specifications: - Body material: Stainless steel (SUS304) - Applicable fluids: Water, hydraulic oil and gas - Size (Thread): 1/4", 3/8", 1/2", 3/4", 1" - Working pressure : 21.0 MPa {214 kgf/cm²} For more details, please refer to the PDF catalog or feel free to contact us.

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Stainless Steel High-Pressure Quick Fluid Coupling "HSU Coupler"

Stainless Steel High-Pressure Quick Fluid Coupling "HSU Coupler"

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NITTO

NITTO KOHKI CO., LTD.

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The NITTO KOHKI Group supports comfortable living and a prosperous future across a wide range of fields—from construction sites to the aerospace industry and global environmental maintenance projects. We respond to increasingly diverse needs with outstanding engineering that promotes efficiency and labor-saving. Our unique technologies are developed from the user’s perspective, creating convenient and innovative tools that serve as bridges to the next generation.

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