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HPX/HPXM Pumps

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HPX/HPXM PUMPSFlowserve Main Menu

Introduction

Advantages

Features and Benefits

Applications

Testing

Introduction

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HPX Horizontal Single-Stage Process PumpISO 13709 / API 610 OH2

Introduction

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Design Center and Supporting Operations

• Desio, Italy (Design Center)

- Total Area 67 000 m2 (721 000 ft2)

- Shop 15 000 m2 (161 400 ft2)

- Office 2400 m2 (25 800 ft2)

Introduction

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Design Center and Supporting Operations

• Santa Clara, Mexico

- Total area – 32 000 m2 (342 000 ft2)

- Construction surface – 15 500 m2 (166 000 ft2)

- Three areas for machining

- Three areas for assembly

- 30 tons travelling cranes (maximum)

Introduction

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Design Center and Supporting Operations

• Vernon, California

- 12.5 acres of land

- Assembly plant is approximately 28 000 m2

(300 000 ft2)

- Office space 9300 m2 (100 000 ft2)

- Assembly and test facility for process, horizontal split/barrel and vertical pumps

Introduction

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Additional Supporting Operations

• Bangalore, India

• Rio de Janeiro, Brazil

• Mendoza, Argentina

• Suzhou, China

• Niigata Worthington

Introduction

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Nomenclature Diagram

Example: 1HPX9A, 3HPX15-TOP, 3HPX7A-IND, 4HPX25A

OH2 API 610 Designation

6 H P X 15 A – INDHydraulic Options (IND, TOP, SL)

Casing Pattern Type or Options

15 – Nominal Impeller Diameter (Inches)

Pump Type/Name

6 – Discharge Nozzle Diameter/Size (Inches)

Heritage Companies

Worthington

Byron Jackson

Pacific

Ingersoll Rand

Ingersoll Dresser

Wilson Snyder

United Centrifugal Pumps

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Complementary

PHL

HPXM

PVXM

HWM

ERPN

PVML

HDX

HED

Heritage and Complementary Products

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Markets

Oil and Gas

Chemical

Power

Pipeline

Services

HP Wash Water

Debutanizer Reflux

Sour Water

Rich Amine

Markets and Services

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Hydrocarbons Chemicals

Water Slurry

Liquids Pumped

Introduction

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Hydraulic Coverage

• Flows to 2000 m3/h (9000 gpm)

• Heads to 350 m (1100 ft)

• Temperatures from -160 °C (-250 °F) to 450 °C (850 °F)

• Pressures to 100 bar (1450 psi)

• 121 hydraulic curves

Introduction

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Example Installation

Advantages

• API “latest” edition compliant

• Extensive hydraulic coverage

• Standardized bearing frame sizes = better interchangeability

• Fan cooling up to 343 °C (650 °F)

- Eliminates expensive cooling water piping

• Self-venting

- Eliminated expensive vent piping

• Back pullout assembly

- Easy access to the mechanical seal.

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Advantages

• Universal Design

- Interchangeable parts can be found throughout the world

• Excellent technical expertise across the globe

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Features and Benefits

Construction Features

• General

- Single stage

- Overhung impeller (OH2)

- Centerline mounted

- Radially split

- Class 300 integrally cast flanges standard

- API 610 running clearances

- Counter clockwise (CCW) rotation

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Features and Benefits

• Casing

- Single and dual volute

- Spiral wound stainless steel gaskets

- Centerline mounted

- 29 centerline discharge

- 36 tangential discharge

- Self-venting

- Available in end/top and top/top nozzle orientation

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Features and Benefits

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• Impellers

- Closed type

- Impeller lock nut

- “Scallops” used to increase seal chamber pressure

- Balance holes exist for balancing the thrust

- Can be fitted with inducers or coke crushers at certain sizes

Features and Benefits

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• Bearings

- Full compliance with API 610

- Ball/Ball arrangement

• Single row deep groove ball bearing

• Duplex angular contact single row ball bearings

• Bearing Housings

- Labyrinth type bearing housing seals standard

• Supports INPROS and ISO Mag

- Standard cooling is fan (except pure oil mist)

- Can be fitted with cooling water if required

Features and Benefits

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• Types of Lubrication

- Slinger

- Pure oil mist

- Purge oil mist

Features and Benefits

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• Shaft

- Complies with API 10th edition

- Precision machined over its entire length

- Generous fillet radii at each change of section to reduce stress concentrations

- Low L3/D4 values

• Wear Rings

- Casing (stationary) and Impeller (rotating)

- Interference fit and set screwed in place

• Can be tack welded if required

Features and Benefits

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• Couplings and Guards

- Multiple coupling manufacturers available

- Flexible disc spacer type

- Service factor varies with applications

- Keyed to the shaft

- Non-sparking coupling guard

- Option for hinged door/window

Features and Benefits

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• Baseplate Types

- Prepared for epoxy grouting in field

- Rigid construction w/o grouting

- Half/full deck

- Skid type

- Pre-grouted

Features and Benefits

• Instrumentation

- Provisions for thermocouples or RTDs

- Provisions for vibration monitoring

• Accelerometers

• Velometers

• Proximity probes

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Features and Benefits

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• Noise Attenuation

Features and Benefits

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• Steam Jacketing

Applications

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Special Applications

• Low flow/High head

• Coke crushing

• Medium pressure

• High pressure

Applications

• Low-Flow High-Head Applications (HPXM)

- Modular pump design

- Low flows 2 to 30 m3/h (10 to 130 gpm)

- Heads to 230 m (750 ft)

- Straight vane, semi-open impeller for low flows

- Volute insert

- Does not include wear rings

- Can be fitted with an inducer

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Applications

• Coke Crushing Applications

- Depends on coke particle size

- Must be evaluated case by case

- Coke crusher is installed within the eye of the impeller

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Example of crusher used on an overhung pump

Applications

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• Medium Pressure Applications

- Pressures of 17 bar (247 psig) to 40 bar (580 psig)

- HPX casing

- Uses taper roller bearings

- Done on a case by case basis

Applications

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• High-Pressure Applications (HPXH)

- Pressures of 40 bar (580 psig) to 100 bar (1450 psig)

- Sourced from Desio

- HNN casing

- Taper roller bearings

- Case by case basis

Testing

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Standard/Optional Testing

• Standard Tests

- API 610 hydrostatic test – certified

- API 610 Performance test – certified

- Vibration measurement (recorded values only)

• Optional Tests

- NPSHr test 

- Sound level test

- Vibration test with FFT spectrum

- Bearing housing resonance test 

- Witnessed tests 

- Complete unit test

Testing

Optional Non-Destructive Examination

• Typical NDEs

- Dye penetrant inspection (casing, casing cover, impeller, connection welds)

- Magnetic particle inspection (casing, casing cover, impeller, connection welds)

- Radiographic inspection (casing, casing cover, impeller, connection welds)

- Ultrasonic inspection (casing, casing cover, impeller, connection welds, shaft)

- Positive material identification (PMI)

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