HMD GSP OH2 API 685 Sealless Pump


GSP OH2 horizontal sealless pump to API 685

- Flows to 3,647 gpm (828 m³/hr)
- Heads to 1,146 ft (350 m)

See also further details of the HMD options for:-

Zero Loss Shell - minimise power loss and heat!

Vapour View - reliability assaurance!

API compliance without sealing problems

The GSP OH2 pump has no mechanical seals which are widely regarded as the weakest point in any pumping system. Over 85% of pump failures involve mechanical seal failure and leaks through static seals such as gaskets and O-rings as well as bearing failure. When planning a new pump installation or an upgrade to an existing installation, the financial impact of the mechanical seal support system is considerable. The GSP sealless magnetic drive pump meets all of the requirements of API-685 making it ideal for chemical, petrochemical as well as oil and gas installations.

Our heavy duty line of API sealless magnetic drive, end suction centrifugal pumps comply with specifications required by the oil, gas, petroleum and heavy chemical industries. The GSP is typically used in toxic, aggressive, hot, crystallizing and high value processes.

Pump details:-

Heads To
80 to 1,146ft 18 to 245m 60HZ: 25 to 350m
Flows To
1 to 3,647gpm 8 to 662m3/hr 60HZ: 10 to 828m3/hr
Max Power
535hp 400kw
Temp Range
-40 to 660°F -40 to 350°C
Number of Stages
Max Case Working Pressure
580 psi 41 kg/cm2
Max Suction Pressure
580psi (41kg/cm²)
Differential Head
656 ft 200 m
HP Dependent on Diff. Head
535 hp 400 KW
Standard Delivery
12-16 weeks
Speed Range
1,450 to 3,500rpm-60Hz
Materials of Construction
Carbon Steel, 316 SS
Bearing Materials Available
SiC, carbon
Hydrotest Pressure
870 psi 61 kg/cm2
Max Viscosity
200 cst
Industry Standard
API 685, API 610 OH2 centerline mounted single stage
Solids Range
maximum of 5% w/w less than 150 micron
Motor Details
Industry standard
Mounting Configurations
Separate Mount
Number of Available Hydraulics...
Seal Configurations Available
Available Inducer
Available Flanges
150#/300# RF
Pump Case Corrosion Allowance
1/8" (3.2 mm)
Suction and Discharge Size

varies based on model