Description
Sundyne Pump API VS1 vertically suspended multistage centrifugal pump, wet pit, diffuser with single casing-With its sealed, suspended bowl design, robust diffuser stages, and reliable API 610/ISO 13709 compliance.
Key Technical Specifications:
- Flows to 13,209 gpm (3,000 m³/hr)
- Heads to 1,150 ft (350 m)
- Maximum Power 1,341 HP (1,000 kW)
- Maximum Case Working Pressure 189 psi (13 bar)
- Temperature Range -22 to 482°F (-30 to 250°C)
Why Choose the VS1?
The VS1 is your go-to pump when you need high-pressure performance directly from a sump or wet pit without priming. As a vertically suspended, multistage diffuser pump with a single casing, it meets API 610 and ISO 13709 standards. Engineered to combine high flow (up to 13,209 US gpm) with heads up to 1,150 ft, and suitable for pit depths up to 40 ft, it’s built for heavy-duty applications in refineries, power generation, desalination, tank farms, and offshore platforms
Main Features
Vertically suspended design with submerged bowl and above-ground drive—no priming needed
Radially split single casing including diffuser—to simplify maintenance .
Flexible coupling and mounting flange, with column bearings lubricated by pumped fluid
Multi-stage diffuser hydraulics—low NPSH design in first-stage impeller enables pumping at low inlet pressures
Seal chamber per API 682, with mechanical seals as standard; optional cartridge kits too
Bearings include thrust-bearing housing above the column and column support bearings lubricated by fluid
Applications
Designed for demanding services such as:
Refineries & petrochemical processes
Cooling , condensing , and boiler-feed water systems in power plants
Desalination and reverse-osmosis booster duties
Tank-drain , flood-control , condensate extraction , sump and fire-protection pumping
Offshore/inland platform wet pits and tank farms
Choose VS1 for heavy-duty wet-pit performance—no priming, full API-grade hydraulics, and easy maintenance. the VS1 delivers clean, high-pressure pumping directly from sumps. Its compact installation, high uptime, and adaptability make it ideal for industrial pits, tank farms, and platform handling—backed by Sundyne’s global engineering support.
