The product
Double Duty® 12 steam trap and pump combination offers a unique solution for draining condensate from heat exchangers and coils in various applications. The Double Duty® 12 is an ASME code stamped carbon steel vessel which offers you the versatility of combining a pump mechanism within a steam trap to assist in condensate drainage under all operating conditions.
Features
- ASME Section VIII “U” stamped vessel
- Inconel X-750 springs for long service life
- All stainless steel internals
- Easy access to the steam trap mechanism without removing cap assembly
- Externally removable vent and motive seats
- Separate pump and trap mechanisms
Typical applications
- Low-pressure heating systems
- Process heat exchangers or coils
- Systems under vacuum
- Hazardous (explosion-proof) areas
- Flash tanks
Product Specifications
| Model | DD-12 |
| Connection Type | 150# ANSI Flanged |
| Maximum Allowable Pressure | 200 psig (14 barg) |
| Maximum Allowable Temperature | 400°F (204°C) |
| Body Material | Carbon Steel |
| Mechanism Material | Stainless Steel with Inconel X-750 Spring |
| Maximum Operating Pressure | 200 psig (14 barg) |
| Maximum Capacity | 19,900 lb/hr (Pumping 9026 kg/h – Trapping42,184 kg/h) |
| Inlet Connection Size | 3″ (80 mm) |
| Outlet Connection Size | 3″ (80 mm) |
