HWMA ISO 13709/API 610 (OH3) Vertical In-line, Low-Flow, High-Head Overhung API Process Pump

The HWMA is a single stage, vertical in-line overhung pump with a separate bearing bracket. With its small footprint, this low flow, high head process pump is a space-saving alternative to many overhung process pumps in upstream and downstream services.

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  • Brands:
    IDP
  • Applications:
    Heat Transfer Fluids, Gas to Liquids, Acid Transfer, Hydrogen, Boiler Feed Booster, Hydrotreating, Catalytic Cracking, LNG, Caustic and Chlor-alkali, Leaching Acid, Chemical and Liquor (pulp and paper), Cooling Water (power), Plating, Galvanizing and Other Coatings, Residuum and Heavy Oil Upgrading, Solvents, Digester, Volatile Organic Compounds, Distillation (oil and gas), Water Supply and Treatment (oil and gas), Drilling and Production, Water and CO2 Injection, FPSO, Gas Treating and Sulfur Recovery, Heavy Oil, Oil Sands and Shale
  • Industries:
    Oil and Gas, Power Generation, Primary Metals, Mining, Chemical Processing, General Industries, Pulp and Paper
  • Standards:
    API682, API610

Replaceable Volute Insert permits precise hydraulic customization. Each insert is engineered for specified head and flow requirements. Accommodates future system changes.

Casing and Cover feature metal-to-metal fits with fully confined, controlled compression gasket to ensure proper sealing and alignment.

Raised Face Flanges are to ASME B16.5, Class 300 for one stage and Class 600 for two stage models.

ISO 21049/API 682 Seal Chamber accommodates a wide variety of seal configurations including dual pressurized and unpressurized cartridge types for the most severe services.

Stiff Shaft Design limits deflection at seal faces to 0.05 mm (0.002 in) max. Vibration levels are well below that required by ISO 13709/API 610.

Heavy-Duty Motor Support Head features a registered fit motor mount and does not use spacer plates.

Operating Parameters

  • Flows to 45 m3/h (200 gpm)
  • Heads to 220 m (725 ft)
  • Pressures to 60 bar (870 psi)
  • Temperatures to 260°C (500°F)

HWMA ISO 13709 API 610 (OH3) Vertical Inline, Low Flow, High Head Chart

HWMA ISO 13709 API 610 (OH3) Vertical Inline, Low Flow, High Head App

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HWMA Pump Bulletin

Select format:
8.5 x 11
A4

Flowserve HWMA Pumps - Low-Flow, High-Head, Vertical In-line Process Pump With Bearing Housing - ISO 13709/API 610 (OH3) - HWMA2, WMA and WMA2 models included.

WMA ISO 13709/API 610 (OH4) Rigidly Coupled, Vertical In-line, Low-Flow, High-Head Process Pump

Description: The WMA is a rigidly coupled, ISO 13709/API 610 OH4 design vertical in-line pump and features the same hydraulics as the HWMA. The WMA uses a P-base motor and is shorter in height than the ISO 13709/API 610 OH3 design of the HWMA.

MSP Vertical In-Line, Medium Speed, Overhung API Process Pump

Description: Closely following API 610, 8th Edition design criteria, the MSP is a vertical, in-line, single stage pump. Featuring a medium speed induction motor, the MSP delivers peak efficiency, excellent economy, simplified installation and reduced maintenance in low-flow, high head applications.

HWMA2 ISO 13709/API 610 (OH3) Vertical In-line, Low-Flow, High-Head Overhung API Process Pump

Description: Flowserve’s HWMA is a two stage, vertical in-line overhung pump with a separate bearing bracket. With its small footprint, this low flow, high head process pump is a space-saving alternative to many overhung process pumps in upstream and downstream services.

PVML ISO 13709/API 610 (OH5) Vertical In-Line Overhung API Process Pump

Description: The Flowserve PVML pump is a vertical, close coupled, in-line design and is fully compliant with the latest API 610 (OH5) standards. This pump offers a space-saving, alignment-free alternative for many overhung process pumps in upstream and downstream services.

HPXM ISO 13709/API 610 (OH2) Low Flow, High Head Horizontal Process Pump

Description: Fully compliant with ISO 13709/API 610 (OH2), latest edition, the HPXM is specifically designed for low flow, high head process applications.

PVXM ISO 13709/API 610 (OH3) Vertical In-Line Overhung API Process Pump

Description: The Flowserve PVXM vertical process pump features a diffuser design and a rugged in-line bearing housing. Compliant with the latest ISO 13709/API 610 and BS 4082R standards, the PVXM is a space-saving alternative to horizontal overhung process pumps in upstream and downstream services.

WMA2 Two Stage, Rigidly Coupled, Vertical In-line, Low-Flow, High-Head Process Pump

Description: The WMA2 is a two stage rigidly coupled pump designed to comply with API requirements for OH4 pumps. Like the HWMA2 pump, the high head hydraulics of the WMA2 are achieved using back-to-back, radial blade impellers and 2-pole P-base motors without high speed gear boxes.

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