The Nitto Kohki SP CUPLA Type A plug with integrated shut-off valve is a high-performance quick coupling solution engineered for maximum reliability and versatility across demanding applications. Manufactured from premium AISI 304 stainless steel, it ensures outstanding resistance to wear, corrosion, and aggressive media, making it ideal for use with water, hydraulic oils, steam, chemicals, air, and gases. Its robust construction guarantees long-lasting durability even under intensive operating conditions. The coupling is available in a wide range of sizes, supporting working pressures of up to 75 bar for 1/8″, 1/4″, and 3/8″, 45 bar for 1/2″ and 3/4″, 30 bar for 1.1/4″ and 1.1/2″, and 20 bar for 2″. Designed for flexibility, it offers reliable performance within a broad temperature spectrum, from -20°C to +80°C with NBR seals and up to +180°C with Viton seals, ensuring compatibility with diverse industrial environments. With its internal BSPT thread and precision-engineered shut-off mechanism, the SP CUPLA Type A plug delivers secure, leak-free connections that enhance safety, efficiency, and productivity in every application.