The Nitto Kohki SP CUPLA Type A socket with shut-off valve and internal BSPT thread is a highly reliable quick coupling solution engineered for demanding industrial applications. Manufactured from robust AISI 304 stainless steel, it guarantees long-lasting performance and resistance to corrosion, even in challenging environments. Its versatility makes it suitable for a wide range of media, including water, hydraulic oils, steam, chemicals, air, and gases, ensuring maximum flexibility in use. Designed to withstand working pressures of up to 75 bar for smaller sizes (1/8″, 1/4″, 3/8″), 45 bar for medium sizes (1/2″, 3/4″, 1″), 30 bar for larger dimensions (1.1/4″, 1.1/2″), and 20 bar for 2″, it provides dependable sealing and safety across various systems. The socket is available with sealing options in NBR, offering reliable operation from -20°C to +80°C, or Viton, extending the temperature range up to +180°C for more demanding conditions. Combining durability, precision, and adaptability, this coupling is an excellent choice for industries seeking efficiency, safety, and long-term reliability in fluid and gas transfer systems.