The Nitto Kohki TSP CUPLA full-flow quick coupling plug with internal BSPT thread is a highly reliable solution designed for demanding industrial applications where durability and performance are essential. Manufactured from premium AISI 304 stainless steel, it ensures excellent resistance to wear, corrosion, and aggressive media, making it suitable for use with water, hydraulic oils, steam, chemicals, air, and gases. Its robust construction and precision engineering make it particularly effective for transferring high-viscosity fluids such as lubricants, guaranteeing smooth and efficient flow without unnecessary pressure loss. With working pressures ranging from 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 diameters (1.1/4″, 1.1/2″), and 20 bar for the 2″ version, this coupling plug offers versatile performance across a wide range of systems. Operating reliably within a temperature range of -20°C to +80°C (NBR), it provides consistent sealing and long-lasting functionality even under challenging conditions. Engineered for efficiency, safety, and ease of use, the TSP CUPLA plug is the ideal choice for industries seeking a professional-grade quick coupling solution that combines strength, versatility, and long-term value.