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Float and thermostatic (F&T) steam traps are found at the end of steam mains, long piping runs, and steam heating equipment that produce large quantities of heat such as unit heaters, heat exchangers, etc. Composed of a valve mechanism assembly with seat, internal thermostatic air vent and a stainless steel float. F&T traps work well on both light and heavy loads of steam heat generated condensate. These traps are meant for low-pressure (15 psi or less) steam heating systems as well as higher steam pressures up to 175 psi. F&T traps feature separate orifices for condensate and air, which provide continuous condensate drainage and air venting even under conditions of zero pressure. A level connects the ball float to the valve and seat. Once condensate reaches a certain level in the trap, the float rises, opening the orifice and draining condensate. A water seal formed by the condensate prevents live steam loss. Since the discharge valve is under water, it is not capable of venting air and non-condensables. When the accumulation of air and con-condensable gases causes a significant temperature drop, a thermostatic air vent in the top of the trap discharges them.
Find manufacturer-specific product information
Armstrong model L8 ultra-capacity, rated to 30 psi, F&T trap with a 2" NPT connection. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 100 psi, F&T trap with a 2" NPT connection. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 150 psi, F&T trap with a 2" NPT connection. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 250 psi, F&T trap with a 2" NPT connection. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 30 psi, F&T trap with a 2-1/2" NPT connection. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 100 psi, F&T trap with a 2-1/2" NPT connection. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 150 psi, F&T trap with a 2-1/2" NPT connection. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 250 psi, F&T trap with a 2-1/2" NPT connection. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 30 psi, F&T trap with a 2" NPT connection and vacuum breaker. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 100 psi, F&T trap with a 2" NPT connection and vacuum breaker. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 150 psi, F&T trap with a 2" NPT connection and vacuum breaker. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 250 psi, F&T trap with a 2" NPT connection and vacuum breaker. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 30 psi, F&T trap with a 2-1/2" NPT connection and vacuum breaker. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 100 psi, F&T trap with a 2-1/2" NPT connection and vacuum breaker. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 150 psi, F&T trap with a 2-1/2" NPT connection and vacuum breaker. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 250 psi, F&T trap with a 2-1/2" NPT connection and vacuum breaker. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 30 psi, F&T trap with a 2" NPT connection, vacuum breaker, and gauge glass. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 100 psi, F&T trap with a 2" NPT connection, vacuum breaker, and gauge glass. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 150 psi, F&T trap with a 2" NPT connection, vacuum breaker, and gauge glass. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L8 ultra-capacity, rated to 250 psi, F&T trap with a 2" NPT connection, vacuum breaker, and gauge glass. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 30 psi, F&T trap with a 2-1/2" NPT connection, vacuum breaker, and gauge glass. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 100 psi, F&T trap with a 2-1/2" NPT connection, vacuum breaker, and gauge glass. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 150 psi, F&T trap with a 2-1/2" NPT connection, vacuum breaker, and gauge glass. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model L10 ultra-capacity, rated to 250 psi, F&T trap with a 2-1/2" NPT connection, vacuum breaker, and gauge glass. Armstrong L Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model M12 ultra-capacity, rated to 250 psi, F&T trap with a 3" NPT connection. Armstrong M Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model M12 ultra-capacity, rated to 250 psi, F&T trap with a 3" NPT connection and vacuum breaker. Armstrong M Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong model M12 ultra-capacity, rated to 250 psi, F&T trap with a 3" NPT connection, vacuum breaker, and gauge glass. Armstrong M Series Ultra-Capacity F&T steam traps feature a cast iron body construction. While all floats, valves and seats, and lever mechanisms are constructed of stainless steel. The trap's integral thermostatic air vent is a balanced-pressure phosphor bronze bellows caged in stainless steel. It is designed for heavy-duty industrial applications.
Armstrong AIC Series F&T trap with a 1-1/2" flanged connection and horizontal pattern for industrial service up to 100 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" flanged connection and horizontal pattern for industrial service up to 200 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" flanged connection and horizontal pattern for industrial service up to 465 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" NPT connection and horizontal pattern for industrial service up to 100 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" NPT connection and horizontal pattern for industrial service up to 200 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" NPT connection and horizontal pattern for industrial service up to 465 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" flanged connection and vertical pattern for industrial service up to 100 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" flanged connection and vertical pattern for industrial service up to 200 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" flanged connection and vertical pattern for industrial service up to 465 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" NPT connection and vertical pattern for industrial service up to 100 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" NPT connection and vertical pattern for industrial service up to 200 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 1-1/2" NPT connection and vertical pattern for industrial service up to 465 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" flanged connection and horizontal pattern for industrial service up to 100 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" flanged connection and horizontal pattern for industrial service up to 200 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" flanged connection and horizontal pattern for industrial service up to 465 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" NPT connection and horizontal pattern for industrial service up to 100 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" NPT connection and horizontal pattern for industrial service up to 200 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" NPT connection and horizontal pattern for industrial service up to 465 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" flanged connection and vertical pattern for industrial service up to 100 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" flanged connection and vertical pattern for industrial service up to 200 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" flanged connection and vertical pattern for industrial service up to 465 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" NPT connection and vertical pattern for industrial service up to 100 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.
Armstrong AIC Series F&T trap with a 2" NPT connection and vertical pattern for industrial service up to 200 psi. AIC Series feature operation against back pressure, continuous drainage, high-capacity venting of air and CO2, and in-line connections. They are the best for applications where there is a need to vent air and non-condensable gases quickly under varying loads.