Does the Brass Quick Coupling Socket with Hose End and Valve, NITTO KOHKI HI CUPLA support flows up to 4000 l/min at 1" and operate safely between -20°C and +80°C?

Yes. The Brass Quick Coupling Socket with Hose End and Valve, NITTO KOHKI HI CUPLA supports flows up to 4000 l/min at 1″ and operates safely between −20°C and +80°C (with NBR seals). It has a working pressure up to 10 bar and is designed for directional flow from socket to plug.

Does the Brass Quick Coupling Socket with Hose End and Valve, NITTO KOHKI HI CUPLA feature directional flow that requires the medium to move from socket to plug for safe operation?

Yes. The Brass Quick Coupling Socket with Hose End and Valve, NITTO KOHKI HI CUPLA features a directional flow design that requires the medium to move from socket to plug for safe operation. This ensures proper valve function and enhances safety and performance during use.

Brass Quick Coupling Socket with Hose End and Valve, NITTO KOHKI HI CUPLA

All products, General-purpose low-pressure quick couplings/

Additional information

Material	B – brass (bronze)

The Nitto Kohki HI CUPLA series socket with hose end is a high-performance solution engineered for demanding water installations, combining exceptional durability with outstanding resistance to vibration. Manufactured from robust brass, it ensures long-lasting reliability even under intensive use. With a working pressure of up to 10 bar and an operating temperature range from -20°C to +80°C (NBR), this coupling guarantees stable performance in diverse conditions. Its impressive flow capacity delivers 4000 l/min at 1″, 3200 l/min at 3/4″, 2600 l/min at 1/2″, 1600 l/min at 3/8″, and 1000 l/min at 1/4″ at 5 bar, making it a versatile choice for various system requirements. Designed with precision, the HI CUPLA socket ensures optimal efficiency and secure connections, while the directional flow feature—requiring the medium to move from socket to plug—enhances safety and functionality. This product is the ideal choice for professionals seeking a reliable, high-quality coupling that optimizes performance, minimizes downtime, and delivers consistent results in every application.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
NK-20SH-B	HI CUPLA quick coupling socket, for 1/4" hose, brass	-	10	In stock	Enquiry
NK-30SH-B	HI CUPLA quick coupling socket, for 3/8" hose, brass	-	10	In stock	Enquiry
NK-400SH-B	HI CUPLA quick coupling socket, for 1/2" hose, brass	-	10	In stock	Enquiry
NK-40SH-B	HI CUPLA quick coupling socket, for 1/2" hose, brass	-	10	In stock	Enquiry
NK-600SH-B	HI CUPLA quick coupling socket, for 3/4" hose, brass	-	10	In stock	Enquiry
NK-800SH-B	HI CUPLA quick coupling socket, for 1" hose, brass	-	10	In stock	Enquiry

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The Nitto Kohki HI CUPLA series socket with hose end is a high-performance solution engineered for demanding water installations, combining exceptional durability with outstanding resistance to vibration. Manufactured from robust brass, it ensures long-lasting reliability even under intensive use. With a working pressure of up to 10 bar and an operating temperature range from -20°C to +80°C (NBR), this coupling guarantees stable performance in diverse conditions. Its impressive flow capacity delivers 4000 l/min at 1″, 3200 l/min at 3/4″, 2600 l/min at 1/2″, 1600 l/min at 3/8″, and 1000 l/min at 1/4″ at 5 bar, making it a versatile choice for various system requirements. Designed with precision, the HI CUPLA socket ensures optimal efficiency and secure connections, while the directional flow feature—requiring the medium to move from socket to plug—enhances safety and functionality. This product is the ideal choice for professionals seeking a reliable, high-quality coupling that optimizes performance, minimizes downtime, and delivers consistent results in every application.