The 1.900 CPLG RDCR X 1-1/4 ASTM F1948 CAT 1 from Dresser Industries is a reliable coupling designed for seamless connections in piping systems. This coupling features a size of 1.900 inches, transitioning to a 1-1/4 inch connection, making it versatile for various applications. Constructed to meet ASTM F1948 standards, it ensures durability and performance under pressure. Ideal for industrial and commercial use, this coupling is engineered for easy installation and long-lasting reliability, making it a preferred choice for professionals in the field.