The 1.660 CPLG RDCR X 1-1/8 SXP ASTM F1948 CAT 1 from Dresser Industries is a durable reducer coupling designed for efficient flow management in piping systems. With a diameter of 1.660 inches and a 1-1/8 inch connection, this coupling allows for smooth transitions between different pipe sizes. Constructed to meet ASTM F1948 standards, it ensures high performance and reliability in various applications. Ideal for fluid transfer and gas distribution, this coupling provides a secure and leak-free connection, making it an essential component for any plumbing or industrial project.