Siemens 656-0021 3/4" Angle Union Valve Normally Opened 4.6Cv 5-10 PSI

Siemens 656-0021 3/4" Angle Union Valve is a high quality normally opened valve for precise fluid control in HVAC systems. This valve measures a quite small 3/4" in diameter and has a flow coefficient of 4.6, which is an efficient flow capability. With adjustable pressure settings within the spring range of 5 – 10 PSI, it is adjustable to match different system requirements. The valve comes with NPT connections for secure and leak proof fit it is durable and long term reliable. The valve adjusts the liquids or gases flow through the HVAC system. It is normally open when installed. It can be adjusted to regulate flow, thus the system gets optimum system performance and efficiency.