Description
Siemens 274-06616 3″ NC normally closed (NC) valve assembly that controls a fluid flow in HVAC system. Precise level is stainless steel and has flange connection for a safe installation. The valve has an electro-hydraulic actuator responsive to 0-10 VDC or 4-20 mA control signals, and the flow rate is modulated proportionally. The valve is simply operated. When electrical signal is received, actuator converts it mechanical motion opens or closes the valve. This proportional control provides an ability that accurately regulate fluid flow in response to system using this valve assembly is frequently found in HVAC systems to control liquid or hydronic fluid flow through various components including, boilers and fan coils.
