The 440143C rotary union, manufactured by DUFF NORTON, is a high-quality component designed for reliable fluid transfer. With a 1-1/2" NPT left-hand rotor thread and 1-1/2" NPT port, it ensures secure connections. Its durable construction and precise dimensions make it suitable for various industrial applications. It has a maximum shaft RPM of 320, maximum machine thread RPM of 1500, maximum pipe thread RPM of 700, maximum air pressure of 100 PSI, maximum hot oil pressure of 100 PSI, maximum steam pressure of 150 PSI, and maximum water pressure of 250 PSI.