Pumps & Circulators – Archived
Low NPSH Pumps – Series DB – obsolete
The DB is a close coupled pump with two centrifugal impellers back-to-back. Placement of the impellers balances the axial thrust and opposed discharges balance the radial thrust. The mechanical seal operates between the stages to prevent excessive wear.
Features and Benefits
- Rated for 210°F (99°C) condensate in vented height-less applications
- Cast iron, bronze fitted with stainless steel shaft
- Carbon Tungsten Carbide mechanical seals
- Designed for 250°F (121°C)
- Capacities to 350 GPM (9.5 l/s)
- Pressures to 250 psi (690 kPa)
Models (see Brochure S-431A for dimensions & weights)
DB
618
620
628
DB-F
618
620
628
