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Parekh Engineering Company

Positive Displacement Pumps

As a part of diversification programme, we have commenced dealing in complete range of Positive Displacements Pumps such as:

  • Progressive Cavity Pumps
  • Twin Screw Pumps
  • Triple Screw Pumps
  • Sanitary Lobe Pumps
  • Internal Gear Pumps

Above Pumps ca be made available in various MOC as per the application.

Progressive Cavity Pumps


Progressive Cavity Pumps
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We deal in range of Progressive Cavity Pumps that are built with rugged gear-type universal joint which is the effective solution to handle heavy radical thrust loads. This design ensures best performance with very minimal maintenance, low wear & Tear rotating parts and longer life of pump.

Fitment of Pumping Elements:-

A. Precision machined rotor and elastomer stator design reduces slippage for higher efficiency and improved volumetric efficiency.
B. Hard Chrome plated rotors provide high abrasion resistance and longer service life.
C. Wide variety of elastomers available for every applications with proven qualities

Salient features of Hydro Prokav KM 2000 progressive cavity pumps:
  • Low total cost of ownership
  • Positive displacement
  • Non-pulsating flow
  • Accurate, repeatable flow
  • Head independent of pump speed
  • Low NPSH Requirement
  • Self-priming
  • High suction lifts up to 28 feet
  • Low shear
  • Particles up to 2.8 ” in diameter
  • Reversible
  • Viscosities up to 1,000,000 cps
  • Simple pin-type universal joint drive assembly for easy maintenance
  • Modular design
  • Wide selection of materials of construction

Special designs available confirming to API 676.
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Twin Screw Pumps


Twin Screw Pumps
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Technical Parameters
  • Capacity :1 – 1200 M3/Hr
  • Head : 50 Kg/cm2
  • Temperature :Up to 300 .C
  • Viscosity : UP to 5,00,000 Centre Stoke

Confirming to API 676 Standards

  • Horizontal Internal Bearing pumps
  • Horizontal External Bearing pumps
  • Jacked Pumps
  • Vertical Pumps
Material of construction
  • Casing : Cast iron, Cast steel, Cast stainless steel
  • Liner : Cast iron, Cast stainless steel
  • Screws : Alloy steel, Nitride steel & Stainless steel
  • Timing Gears: EN 36 / EN 24
Fluids Handled (applications)
  • Fuel Oil
  • LSHS
  • HPS
  • RFO
  • Crude Oil
  • Vacuum Residue
  • Wax
  • Bitumen
  • Mineral Oil
  • Turbine Oil
  • Hydraulic Oil
  • LDO
  • HSD
  • Kerosene Oil
  • Naphtha
  • Lubricating Oil
  • Molasses
  • Black
  • Polymeric Resins
  • Lacquers
  • Cosmetic Creams
  • Detergents
  • Soaps
  • Glucose
  • Jelly Fats
  • Palm Oil
  • Viscose
  • Asphalt
User industries
  • Petro-Chemicals
  • Refineries
  • Oil Storage Depots
  • Bunkering Stations
  • Power plants
  • Marine
  • Shipping
  • Sugar Industries
  • Steel Industries
  • Paper Industries
  • Textile Industries
  • On shore and off shore Exploration
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Triple Screw Pump


Triple Screw Pump
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Material Of Construction

Casing: Cast Iron, Cast Steel, Cast Stainless Steel
Liner: Cast Iron, Cast Stainless Steel
Screws: Alloy Steel, Nitride Steel & Stainless Steel.

Salient Features:
  • High reliability
  • Long Service Life
  • Negligible Maintenance
  • High efficiency
  • Self Priming
  • Smooth Pulsation Free Flow
  • Low Noise and Vibration
  • High Speed Capability
  • Insensitive to viscosities
  • High-Pressure Capability
  • Fast, Easy replacement of Parts.
  • Mounting configurations to fit any spaces limitation :-Horizontal, Vertical, Close-Coupled ,Sump
  • In – Line Construction enables simplified piping arrangement.
  • ANSI or DIN flanges

While in operation, the screws are in hydrodynamics balance on film lubrication and do not require any additional bearings. The one ball bearing often used is only for axial positioning of a rotor and safer operation of mechanical seals. Small rotor dimensions enable the pump to be operated at high speeds directly coupled 3000 or 3600 RPM motors or other prime movers. Such unique design and features had demonstrated excellent reliability with pumps in operation continuously on- stop for decades together without replacement of any components or maintenance on clean fluids.

Key Features – Benefits that Reduce life cycle cost
  • Maximum Reliability of System to Increase Revenue
  • Pumps deliver smooth flows with minimum pulsations
  • Hydraulically balanced screws
  • Lower Maintenance Costs by up to 50 %
  • Pumping elements contained in one cartridge assembly
  • Fast, easy replacement of parts
  • Reduced overhaul turn around time
  • No timing gears required and fewer wearable parts
  • One or no bearings required and fewer wearable parts
  • Versatility to meet Customer Specification
  • Custom design fabricated pump and per API standards
  • A choice of shaft seals for every application
  • Mounting configurations to fit in any space limitations: Horizontal, Vertical, Close Coupled, Sump
  • In – line construction enables simplified piping arrangements
  • ANSI or Din Flanges
  • One pump size designed to offer flexibility in flow


Capacity : From 1 to 400 M3/Hr
Pressure : Up to 64 Kg/cm2
Viscosity : 1-1, 00,000 Centi Stokes
Temperature: Up to 300 .C

User Industries

  • Cement Industry
  • Power Stations
  • Petro-Chemical Refineries
  • Oil Depots
  • Ship Building Industry
  • Rayon, Staple fibres
  • Steel Industries
  • Fertilizer Industries
  • Paper Mills
  • Food Processing Industries Breweries
  • Bitumen and Asphalt Industries

These Pumps are designed for handling clear viscous liquids and are suitable for different pressures up to 70 bars. The pumping elements comprise of a power screw and two idler screws, running in a close fitting insert. The idler screws serve to maintain the closed chambers that pump the liquid. Each screw is provided with a drum so that axial forces are hydraulically balanced. The shaft seal chamber is connected internally to the inlet and the seal is therefore always subjected to the inlet and the seal is therefore always subject to inlet pressure only. The inserts screws and balancing bushes together with bearing and seals for a replaceable cartridge that is located inside a casing. The pumps can be supplied in a variety of materials of construction and for various mounting arrangements.

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Lobe Pumps


Lobe Pumps
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The principle of operation of our Sanitary Lobe pumps is two synchronised rotors (Lobes) rotating against each other build chambers towards the casing of the pump. At the suction side, the fluid enters the chambers and during rotation, the fluid is displaced in the direction of the volume flow into the Discharge side.

Salient Features:
  • High suction capability
  • Ease of maintenance without disturbing pipe assembly
  • Reversible pump
  • Also transfers abrasive particles in suspension
  • Low pulsation, low noise and high precision metering discharge
  • Smooth quite flow
  • Excellent self-priming
  • Intensive to viscosities
  • All metal construction, no contamination
  • Single Sealing, external bearing
  • Low noise and pulsation
  • Reversibility
  • Bracket/Gear Box mounting allows free expansion/contraction-alignment not affected
  • Easy maintenance
  • Slow speeds ensure better pumping and longer life
  • Reduced maintenance
Fluids Handled:


  • Furnace Oil
  • Mineral Oil
  • Edible Oil
  • Petroleum Gelly
  • Paints & Varnishes
  • Solvents
  • Chemicals
  • Acids
  • Alkalis
  • Hot Syrups

Food and cosmetic products capable of being pumped by lobe rotor pumps.

  • Batter
  • Beans
  • Beetroot
  • Biscuit Cream
  • Blackcurrants Brine
  • Broth
  • Butter fat
  • Caramel
  • Castor Oil
  • Cat food
  • Cheese curd
  • Cheese whey
  • Cherries
  • Chicken paste
  • Chilli con Carne
  • Chocolate
  • Chutney
  • Cockles
  • Coconut oil
  • Cod oil
  • Coffee
  • Cordials
  • Corn oil
  • Corn syrup
  • Cottage cheese
  • Cotton seed oil
  • Cranberry juice
  • Cream
  • Cream cheese
  • Custard
  • Dog food
  • Dough
  • Eggs – whole
  • Egg yolk
  • Essences
  • Evaporated milk
  • Fish
  • Flavorings
  • Fondants
  • Fruit juice
  • Fruit pulp
  • Fruit – whole
  • Fruit yogurt
  • Gelatin
  • Gherkins
  • Glucose
  • Glycerin
  • Gooseberries
  • Gravy
  • Hand cream
  • Honey
  • Horseradish
  • Ice cream
  • Icings
  • Iodine ointment
  • Jams
  • Jelly
  • Ketchup
  • Lard
  • Liquid sugar
  • Lotions
  • Malt
  • Maple syrup
  • Margarine
  • Marmalade
  • Marshmallow
  • Marzipan
  • Mascara
  • Mayonnaise
  • Milk
  • Mincemeat
  • Molasses
  • Mousse
  • Mussels
  • Mustard
  • Nail polish
  • Nail varnish
  • Offal
  • Olive oil
  • Onions
  • Palm oil
  • Pastes
  • Peanut butter
  • Pectin
  • Perfumes
  • Piccalilli
  • Pie fillings
  • Pizza toppings
  • Plasma
  • Potato salad
  • Preserves
  • Purées
  • Quinine
  • Rice pudding
  • Salad dressing
  • Shrimps
  • Soap
  • Solvents
  • Sorbitol syrup
  • Soup
  • Soya sauce
  • Spirits
  • Starches
  • Stews
  • Strawberries
  • Sugar
  • Syrup
  • Tapioca
  • Tea
  • Tomato ketchup
  • Tomato paste
  • Tomato purée
  • Toothpaste
  • Vaseline
  • Vegetables
  • Vinegar
  • Water
  • _Wines
  • Wort
  • Yeast
  • Yogurt
Technical Specifications:

Capacity : from 50 lph — 50,000 lph
Pressure : up to 10 Kg/cm2
Viscosity : as low as 1.0 Centre stoke — 3,00,000 Centre stoke

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Internal Gear Pump


Internal Gear Pump
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The Function

Internal Gear Pumps belongs to family of Positive Displacement Pumps where in driving gear with internal tooth drives the Gear and turns in same direction inside the pump casing.During the rotation of the driving gear the liquid intake takes place at the suction and during the gear meshing, the liquid is displaced outside in the delivery side.

Advantages of Gear Pumps
  • Self-priming pumps
  • Steady deliveries without pulsation for clear liquids or with little pulsation but
    without vibration and noise
  • Speed directionally proportional to capacity
  • Highly suitable to handle viscous clear liquids and temperature up to 250 Deg C
  • Can be offered with wide variety of material of construction to suit various corrosive media
Technical Specification

Capacity : From 10 Lph — 45,000 Lph
Pressure : up to 10 Kg/cm2
Viscosity : As Low as 1.0 Centre stoke — 300,000 Centre stoke


The Internal Gear Pumps are used to handle the following clear fluids

  • Furnace Oil
  • Mineral Oil
  • Edible Oil
  • Petroleum Gelly
  • Paints & Varnishes
  • Solvents
  • Chemicals
  • Acids
  • Alkalis
  • Hot syrups
Type of Industries Using Gear Pumps
  • Brewers and Distillers
  • Cattle Feed
  • Chemical and Process
  • Cosmetics and Toiletries
  • Edible Oil
  • Effluent Treatment
  • Fertilizer
  • Fisheries
  • Man-made Fibres
  • Marine
  • Oil Exploration
  • Paint and Varnish
  • Paper pulp and Cellulose
  • Petrochemical and Refinery
  • Printing Ink
  • Soap and Detergent
  • Starch
  • Steel
  • Sugar
  • Sewage and Waste water treatment
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Positive Displacement Gear Pump


Positive Displacement Gear Pump
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We are involved in the supplying and trading of Positive Displacement Gear Pump that is provided with foot and flange mounting options. Provided with self-primping pump, it offers a hassle free functioning. Our entire range of gear pump is made available in single helical gear design. In addition to this, this offered pump finds a vast application in cleaning and cooling systems, oil filtration systems, petroleum industries and heating systems.


  • Compact and Simple design
  • Foot and Flange mounting options
  • Self-priming pump
  • Single helical gear design



  • Available in 1/4" to 1 ½" size
  • Pressure of 10 kg/cm²
  • Flow Capacity: 2.5 LPM to 125 LPM
  • Viscosity of 50,000 SSU
  • Temperature up to 200ºc.


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Parekh Engineering Company
Manish Parekh (Owner)
No. 308, Bhaveshwar Arcade, Opposite Shreyas Cinema L. B. S. Marg, Ghatkopar West,
Mumbai - 400086, Maharashtra, India
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