Barmesa IA4BJH family exploded drawing with six-inch suction and four-inch discharge flanges — actual manufacturer diagram

Electric Centrifugal Pumps

Barmesa IA4BJH-20-4 — 6 × 4-in Electric Process Pump, 20 hp

A six-by-four-inch electric end-suction centrifugal pump for water transfer and industrial process service. The Barmesa IA4BJH-20-4, stock 62212173, has a 20 hp, three-phase, 60 Hz TEFC motor and a 10.063-inch impeller. Performance is shown by the 10.06-inch / 20 hp line on the factory nominal 1800 rpm curve.

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Specifications

Equipment

Manufacturer: Barmesa Pumps
Model: IA4BJH-20-4 / 62212173

Exact selected stock configuration

Manufacturer: Barmesa Pumps
Model: IA4BJH-20-4
Stock code: 62212173
Pump type: Close-coupled end-suction centrifugal
Selected port size: 6 in suction × 4 in discharge
Connections, current stock catalog: Flanged, designated F
Motor output: 20 hp
Motor supply: Three-phase, 60 Hz
Motor enclosure: TEFC
Nominal motor speed, stock catalog: 1750 rpm
Loaded speed, operator dimensional table: 1745 rpm; source-specific rating
Motor frame, operator: 254/6 JM
Motor part number: 40020024

Construction and use

Applications: Booster systems; water transfer; chilled-water systems; high-flow medium-pressure industrial service
Volute: ASTM A48 Class 30 cast iron
Impeller: Dynamically balanced, enclosed cast iron
Intermediate coupling: ASTM A48 Class 30 cast iron
Shaft sleeve: Stainless steel
O-rings: Buna-N
Mechanical seal: Type 01; ceramic stationary, carbon rotating ring, Buna-N elastomer and stainless steel spring
Maximum liquid temperature: 160°F / 71°C
Hardware: Carbon steel
Coating: Air-dry water-based enamel

Selected impeller and performance

Selected impeller diameter: 10.063 in, factory 20 hp parts list
Selected impeller part number: 03140134
Performance graphic: IA4BJH, 6 × 4 × 13 in family, nominal 1800 rpm
Curve selection: 10.06 in / 20 hp line only
Curve reading near 800 US gpm: Approximately 75 ft on the nominal 1800 rpm 20 hp curve; graphical reference, not a guarantee at loaded motor speed
Head region, selected curve: Above 100 ft at low flow on the nominal 1800 rpm curve; graphical reference
Flow region, selected curve: Above 900 US gpm at lower head on the nominal 1800 rpm curve; graphical reference
Speed qualification: Actual performance follows delivered impeller, motor speed and system; nominal 1800 rpm graphic is not an exact 1745 rpm duty certification
Curve test liquid: Water, specific gravity 1.00 at approximately 68°F / 20°C
Maximum pressure on family curve: 100 psi family casing/chart limit; not the selected motor’s shutoff or duty pressure