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Double Duty^®-12 Steam Trap/Pump Combination Packages

ASME Code Stamped Carbon Steel

For pressures to 200 psig (13.7 bar) . . .
Trapping Capacities to 93,000 lb/hr (34,711 kg/hr)
Pumping Capacities to 19,900 lb/hr (7,427 kg/hr) 

The Armstrong Double Duty^®-12 steam trap/pump trap combination is an easy to install solution for draining heat exchangers in various applications.  The DD-12 combines the versatility of combining a pump within a steam trap to aide in condensate drainage within a closed-loop system.

• No electricity required.
• Space savings size. No external trap/piping required.
• Single trade installation.
• Intrinsically safe.
• ASME code Carbon Steel Body. Rugged construction material means long service life.
• Efficiency. A closed loop means no motive or flash steam is lost. All valuable Btu’s are captured and returned to the system.

Typical applications

• Low-pressure heating systems
• Process heat exchangers or coils
• Systems under vacuum
• Hazardous (explosion-proof) areas
• Flash tanks

NOTE: Armstrong can also custom fabricate packages to meet your specific needs. Pre-piped Low Boy™, closed-loop and custom-fabricated skid packages are available.