API 610 Vertical Suspended (VS) Series Pumps (VS1–VS7) | We are Authorized Supplier

Description

VS1 – Vertical Turbine Pump

• Bowl assembly with a mixed or radial flow impeller.

• Suction bell at the bottom, column pipe with line shaft bearings.

• Driver (motor or turbine) mounted on top.

• Use: Cooling water, seawater intake, circulating water.

VS2 – Barrel Pump (Diffuser Casing)

• Multistage pump enclosed in a pressure barrel.

• Radial diffuser type bowl assembly.

• Use: High-pressure, high-temperature applications (boiler feed, hydrocarbons).

VS3 – Barrel Pump (Volute Casing)

• Similar to VS2 but with volute-type casing instead of diffuser.

• Typically shorter shaft, enclosed in a barrel.

• Use: Boiler feedwater, hydrocarbons, petrochemical services.

VS4 – Vertical Cantilever Pump

• Shaft suspended without line-shaft bearings (overhung design).

• Bearing only in the driver and casing cover.

• Use: Sumps, wastewater, chemical drains, where long shafts aren’t required.

VS5 – Vertical Tank Pump

• Similar to VS4 but mounted in a tank or closed vessel.

• Open impeller with cantilever shaft.

• Use: Petrochemicals, chemical services, tank bottoms.

VS6 – Barrel Multistage Pump (Diffuser Type)

• Long, multistage, diffuser-type bowl assembly inside a barrel.

• Designed for very high pressure.

• Use: Pipeline, boiler feed, refinery high-pressure systems.

VS7 – Vertical Axial Flow Pump

• Axial-flow (propeller type) impeller.

• High flow, low head.

• Use: Flood control, cooling water, large water circulation.