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. Manufactured from robust brass, it ensures long-lasting durability even under demanding conditions, making it ideal for use with water, hydraulic oils, steam, chemicals, air, and gases. Its internal BSPT thread guarantees secure and leak-free connections, while the shut-off valve enhances safety and efficiency by preventing fluid loss during disconnection. Designed to meet diverse industrial requirements, the coupling offers working pressures of up to 50 bar for sizes 1/8″, 1/4″, and 3/8″, 30 bar for 1/2″ and 3/4″, 20 bar for 1.1/4″ and 1.1/2″, and 15 bar for 2″. The wide operating temperature range adapts to various sealing options: from -20°C to +80°C with NBR, -20°C to +180°C with Viton, and -40°C to +150°C with EPDM, ensuring compatibility with different media and environments. This combination of strength, flexibility, and safety makes the SP CUPLA Type A plug a trusted choice for industries seeking efficiency, reduced downtime, and reliable performance in fluid and gas transfer applications.