Spence Engineering 04-01638-00 Diaphragm For 2" E-Valve

The Spence Engineering 04-01638-00 Diaphragm is a spare part that fits 2-inch E-Valves and operates based on the change of pressure to control internal actuation and flow of steam or fluids in HVAC systems. This diaphragm is installed in the valve housing, and it helps in the modulation and stability of operation. It is used in commercial and industrial HVAC systems to precisely achieve the balance of the components. To assist the heating processes and to provide stability in case of service or planned replacement of the components.