The 90° quick coupling plug with nut and integrated valve is a reliable and versatile solution designed for demanding applications such as gas detection systems, medical equipment, chemical analyzers, inkjet printing devices, and precision optical instruments. Its ergonomic construction ensures fast and secure hose connections, with an audible click confirming proper engagement for maximum safety and efficiency. Manufactured from durable acetal and equipped with an NBR O-ring, the plug guarantees excellent resistance to wear, chemicals, and temperature fluctuations, making it suitable for intensive industrial and laboratory use. With a working pressure capacity of up to 8.3 bar and an operating temperature range from -40°C to +82°C, it delivers consistent performance even in challenging environments. Compact in design yet highly robust, this coupling plug optimizes workflow, minimizes downtime, and enhances the reliability of sensitive equipment, making it an essential component for professionals who value precision, durability, and ease of use.