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Investa makes investment cast pumps as

Eliminates surface defects like blow holes, hot runs etc.
Gives better efficiency due to low resistance to flow.

Investa manufactures

Alloy-20 (CN7M)
SS316
SS316 L (CF3M)
Hastalloy B & C

Models include -

1. Horizontal Pumps

Centrifugal Pumps - series SCP
Centripetal Pump - Type SPP

2. Vertical Pump - series STP

All the wetted parts are made from investment castings using lost wax process, giving excellent surface finish, sound castings, giving minimum resistance to flow resulting in better efficiencies.
Maximum interchangeability, gives minimum spare parts inventory.
Greater quality control and accuracy in production of every pump with modern machining operations.
Back pull-out design, permits quick inspection or repairs of rotating elements without disturbing electrical and piping connections resulting in minimum downtime.
Hydraulic performance maintained by simple external axial adjustment of impeller wear.
Exclusive balanced thrust.
Standard dimensions, cut layout design cost.
Standard foundations save installation and drawing time, talent and money.
Fully open impeller with back pump-out vanes reduces stuffing box pressure and prevents entrance of solid and meets low NPSH requirements.

Capacity...........................80 m³/hr.
Head...............................150 m.
Temperature.....................-210⁰C to 260⁰C
Working Pressure.............2550 kPa

	1. Gland Packing Arrangement 2. Outside Mounted Mechanical Seal 3. Inside Mounted Mechanical Seal.
	Single seal Double back to back seal Tandem Seal

Performance range :

Capacity upto .............................. 12 m³/hr.
Head upto ................................... 35 m.
Power upto ................................. 5.5 KW

Features :

High head low capacity pump.
Available in S.S.-316 INVESTMENT CASTING and Cast Iron with all wetted parts of S.S.-316.
Excellent for handling solvents from barrels and from tank farms to the charging vessels.
Seal leakage can easily be detected from window in priming chamber.
Pump can take negative lift from 3 to 5 meters.
Maintenance is easier, Drain arrangement is standard.
Compact design - requires less space, No grouting required.

Advantage at a glance

Low NSPH required
Life lubricating bearings, covered from both the ends so minor leakage from pump side does not affect bearings.
Being a low speed (1450 RPM) pump, Less Maintenance is needed.
Installation is easier since motor required is vertical flange type and is directly coupled to the pump, coupling alignment is simpler.
Low overhang shaft arrangement giving minimum deflection at the seal faces.
Floating type impeller reduces noise and vibration.
Available only with mechanical seal (internal mounted), rotary faces of Carbon and Glass Filled Teflon (GFT) are optional.
Seal cooled and flushed by process fluid itself.
Minor leakage at suction side does not affect pump performace.
Biggest advantage from installation point of view is that since it is an "in line" type pump, it can be fitted as a valve and hence it will not require any suction or delivery piping efforts.

Available with trolley for MOBILE application

Keeping in view the fastest growing demand for transfering various types of solvents from the barrels to the overhead reaction vessel in pharmaceutical, bulk drugs and other process industries, STP-25, model is developed and is supplied with trolley for mobility.

investa Vertical Pump with trolley for MOBILE application

Investa pump covers 75% of all process industry requirements.
The pump covers a wide range of chemical services :

Chemical : Caustic transfer, Acid unloading, Monomer and Polymer transfer, Molten sulphur and Urea, Liquid ammonia, Liquid nitrogen.

Petrochemical : Aromatics, Low specific gravity hydrocarbons, Gas oil.

Pulp and paper : Digester make - up - green and white liquor, Black liquor recovery, Coating slurries - clay, Titanium dioxide and Alum transfer.

Primary metals : Waster acid recovery, Scrubber service, Pickle liquor circulation.

General : Textile, Food, Pharmaceutical and Pollution control - chilled water, Condensate return, Acid recovery, Stack scrubbers, Filter feed DM water plant.

High freezing point liquids
The pump can be supplied with Steam Jacketed Casing for handling liquids which solidify at ambient or above ambient temperatures. The jacketed casing is normally used with the jacketed stuffing box cover to provide a completely heated liquid end.