DN 9 quick coupling socket with internal BSP and metric thread, with or without valve, widely used in the industry for cooling injection molds and casting parts made of plastics, aluminum, brass, and zinc alloys. It can be used for water in cleaning machines, hot oil, and steam. Flow diameter: 9 mm. Working pressure: 25 bar. Operating temperature: from -20°C to +200°C (viton). Material: brass (socket body, connection, valve sleeve), stainless steel (spring, ring, balls).