VF Series Two-Way, Industrial-Grade, Spring-Return, V-919x Series High-Pressure Pneumatically Actuated, High-Pressure, High-Temperature Butterfly Valve Assemblies are specifically designed for a wide range of HVAC applications, including two-position and modulating/throttling control of hot water, chilled water, condenser water, and steam. Refer to the VF Series High-Pressure, High-Temperature Butterfly Valves for Steam Service Application Note (LIT 977321) for more information on steam applications. These lug-style valves offer bidirectional shutoff at full-rated American National Standards Institute (ANSI) Class 150 and 300 operating pressures, increasing the range of applications—particularly in high-rise building HVAC control applications. ANSI Class 150 and 300 models are also suitable for steam applications.
Refer to the VF Series High-Pressure, High-Temperature Butterfly Valves Product Bulletin (LIT-977208) for important product application information.