The Nitto Kohki HI CUPLA plug without valve, equipped with an internal BSPT thread, is a highly reliable solution for demanding water installations, combining robust construction with exceptional resistance to wear and vibration. Manufactured from premium AISI 304 stainless steel, it ensures long-lasting performance even in intensive operating conditions. With a working pressure of up to 15 bar, this plug guarantees secure and efficient connections, while its impressive flow capacity—ranging from 4000 l/min for 1″, 3200 l/min for 3/4″, 2600 l/min for 1/2″, 1600 l/min for 3/8″, and 1000 l/min for 1/4″ at 5 bar—makes it suitable for a wide spectrum of applications. Designed with precision, it supports optimal system efficiency by ensuring that the medium flows exclusively from the socket to the plug, preventing operational issues and enhancing safety. This product is an excellent choice for professionals seeking a durable, high-performance component that combines Japanese engineering quality with reliability, making it ideal for both industrial and commercial water systems.