The VS4 vertical inline shaft sealless magnetic drive sump pump is fully ATEX compliant and meets API-685 standards.

Flows to: 308 usgpm (70 m3/hr)

Heads to: 262 ft (80 m)

Despite its compact design, which includes no failure-prone seal components to leak and fail, the vertically suspended GSPVS VS4 is capable of delivering significant cost savings over the lifecycle of the unit. Additionally, the GSPVS vertical casing presents a minimal footprint, saving valuable space in your operating environment.

The GSPVS utilizes greased for life ball bearings along the column, removing the need for lubricating or cooling the intermediate sleeve bearings with system fluid. Plus, the integration of labyrinth bearing seals and a suction strainer eliminates external contamination, thus maximizing seal and lubrication life.

The GSPVS has a modular design that allows end users to join multiple units together in order to meet their configuration needs. Total assembly length of up to 16 feet (5 meters) configuration is available. The pump is mounted on a base that meets ANSI B16.5 or customer-specific requirements. The modular construction features flexible jaw couplings to join drive shafts and absorb misalignment, decreasing vibration and further increasing life pump expectancy.

The GSPVS VS4 is well suited for applications including fuel transfer in oil and gas refineries, as well as chemical and petrochemical process plants. These compact VS4 sealless pumps are also an ideal complement for airport fuel tank farms.


Heads To  0 to 262ft 0 to 80m
Flows To  0 to 308gpm 0 to 70m3/hr
Temp Range  -20 to 210°F -30 to 100°C
Max Case Working Pressure  274 psi 18.9 bar
Industry Standard  API 685, API 610 VS4

Sealless Centrifugal Pumps API 685
Sealless magnetic drive centrifugal pumps that meet API-685 and API-610 standards. No seals that leak make it safe and reliable. Perfect pumps for difficult to seal, hazardous, and high-value applications for petroleum, heavy duty chemical and gas industry services.
Sealless Vertical Sump Pump
Magnetic drive sealless pumps in a compact package, using fewer parts with no seal systems for reduced cost operation. Highly reliable with safe sealless design makes it suitable for the most difficult sump pump applications. Designed specifically for use in tank farms as a fuel transfer pump; a typical application would be an airport where it can be utilized as an aviation fuel pump.

HMD Kontro Sealless Magnetic Drive Pumps
Sundyne HMD-Kontro sealless magnetic drive pumps meet API-685, ASME / ANSI B73.3 and ISO 2858 standards. They do not leak and are extremely reliable and safe.

  • Offshore

API American Petroleum Institute
Sundyne has a wide range of heavy duty centrifugal pumps that are compliant with American Petroleum Institute API-610, 10th and 11th Edition (OH1, OH2, OH3, OH4 OH5, OH6, BB1, BB2, BB3, BB5, VS1, VS2, VS4, VS6) and API-685 sealless magnetic drive standards Our customers in the oil refining and petrochemical industries have for years turned to Sundyne pumps for their high-head, low-flow services and other difficult or hazardous applications.

GSPVS sealless magnetic drive vertical sump pumps offer significant advantages and benefits over conventional sealed transfer pump designs:

  • Small footprint

  • Vertically mounted design available in five hydraulic sizes

  • Large degree of interchangeability within frame sizes

  • Commonality minimises spare parts inventory and associated costs

  • Vertical inline mounted design

  • Design ensures safe, leak free operation

  • Increased efficiency via low operating costs

  • Minimal spares holding and maintenance

  • No costly seal support systems to specify, install or maintain

  • Reduced specification time and installation costs

  • Silicon carbide internal bearings

  • Various flange options are available as standard

  • Wide range of Instrumentation systems available

  • Suitable for operation at 50Hz and 60Hz

  • Modular construction up to 5m total assembly length

  • Decreased vibration extends life expectancy

  • Greased for life ball bearings remove need for lubrication

  • Fully ATEX compliant

  • Suction strainer and labyrinth seals avoid external contamination

  • Mounting base includes lift points as standard