ASME / ANSI B73.3 and ISO 2858 sealless magnetic drive centrifugal pumps. Flows to 320gpm (73m³/hr), Heads to 295ft (90m).

GSA (ASME / ANSI B73.3) and GSI (ISO 2858) are sealless magnetic drive centrifugal pumps.

- Flows to 320 usgpm (73 m³/hr)
- Heads to 295 ft (90 m)


The GSA / GSI range pump is for critical duty services in the CPI, HPI, and specialty processing industries.



Performance Envelope, 60Hz


Performance Envelope, 50Hz



Heads To  10 to 300ft 3 to 91m 60HZ: 2 to 64m
Flows To  10 to 405gpm 1 to 74m3/hr 60HZ: 3 to 92m3/hr
Max Power  40 30
Temp Range  -40 to 500°F -40 to 260°C
Number of Stages  1.0
Max Case Working Pressure  275 psi 19 kg/cm2
Max Suction Pressure  275psi (19kg/cm²)
Differential Head  300 ft 91 m
HP Dependent on Diff. Head  40 hp 30 KW
Standard Delivery  4-8 weeks
Speed Range  1,450 to 3,500rpm-60Hz
Materials of Construction  316 SS, Alloy 20, Alloy C
Bearing Materials Available Alfa sintered SiC
Hydrotest Pressure  412 psi 28 kg/cm2
Max Viscosity  200 cst
Industry Standard  ASME / ANSI B73.3, ISO 2858
Solids Range  maximum of 5% w/w with less than 150 microns
Motor Details  Industry Standard
Mounting Configurations  Closed Coupled/Sep. Mount
Dimensional Standards  ANSI/ISO
Number of Available Hydraulics... 6.0
Seal Configurations Available  Sealless
Available Inducer  no
Available Flanges  150#/300# RF, BS4504,DIN2543
Pump Case Corrosion Allowance  1/8" (3.2 mm)
Suction and Discharge Size  varies based on model

Sealless Magnetic Drive Horizontal End Suction Metallic Centrifugal Pumps
Sealless magnetic drive metallic horizontal end suction metallic centrifugal pumps meet industry chemical process standards. They are highly reliable for high temperature, high viscosity, high pressure and hazardous chemical process applications.

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.

  • Light Oils
  • Organic Chemicals
  • Bulk Chemicals
  • Solvents
  • Hydrocracking
  • Tank Car Loading
  • Petrochemical Processing
  • Plastics
  • Butane Transfer
  • Booster
  • Benzene Reduction
  • Chlor alkali
  • Battery Manufacturing
  • Fine Chemicals
  • Petroleum Production and Refining
  • Oxygenates Production
  • OEM
  • Gasoline
  • Aromatics
  • Biofuels
  • Acid Transfer
  • Utility
  • Corrosive Services
  • Alkylation
  • Inorganic Chemicals
  • Crude Oil Transfer
  • Toxic Services
  • Flammable Liquids
  • Polysilicon
  • Caustics
  • Biodiesel
  • Tank Car Unloading
  • Heat Transfer Fluids
  • Isomerization
  • Amine Treating
  • Offshore
  • Separation
  • Synthetic Fuels
  • Chemical Transfer
  • Hot Oil
  • Sour Water
  • Bioprocessing
  • Agrochemicals
  • Circulation
  • Chemical Processing
  • Hydrotreating
  • Recycling Services
  • Propane Transfer
  • Edible Oils
  • Sea Water

ISO International Standards Organization
Sundyne centrifugal pumps that are compliant with the International Organization for Standardization ISO 13709 standards for oil and gas production, refining, chemical and petrochemical operations.
ANSI ASME Standards
Sundyne sealless magnetic drive centrifugal pump models compliant with the American Society of Mechanical Engineers, ASME / American Standards Institute, ANSI B73.3 standards for chemical manufacturing. Our customers in the chemical and petrochemical industries have for years turned to Sundyne pumps to handle their difficult and hazardous applications.

  • Production
  • Refining
  • Oil and Gas
  • Chemical and Liquor
  • Utilities
  • Chemical Processing
  • General Industry
  • Acid Transfer
  • Crude Handling and Treatment