Goulds 3642 Series Centrifugal Pumps Buyers Guide & Review

The Goulds 3642 series of close-coupled, end-suction, Centrifugal Pumps are designed for water circulation, booster service, liquid transfer, spraying systems, jockey pump service, and general purpose pumping. These pumps can be mounted in vertical or horizontal position. They are built with all iron, all bronze, or bronze fitted construction. Enclosed impellers come in multiple sizes. Models are available with a variety of power outputs, voltages, and NPT discharges. The 3500 RPM motor is close-coupled and available in single or three phases as open drip-proof, totally enclosed fan cooled, or explosion proof. For similar frame-mounted, pump-end only versions, look at Goulds’ 3742 Series.

The compact, close coupled  design saves on space and allows for easy installation. Flexible couplings and bed plates are not required. The design also offers flexibility of installation driver arrangements. Cast iron power frames rigidly support the grease-for-life ball bearing shaft assembly.

Impellers are balanced for smooth operation and threaded directly onto the motor shaft. The enclosed impeller design provides high efficiencies. Stainless steel lock nuts on three phase models require no clearance adjustment.

Casings are volute type that are a back pull out design and are constructed of either cast iron or brass. Discharges can be rotated in eight positions. Vertical discharges come standard. Tapped openings are provided for priming, venting and draining.

Mechanical seals come standard with carbon/ceramic faces, BUNA elastomers, and 300 series stainless steel components. Option seals are available.

GOULDS 3642 SERIES CENTRIFUGAL PUMPS
-3642 Centrifugal Pump

Model Comparison Chart

Model Discharge (NPT) HP Voltage Phase Impeller Material
2BF10512 1-1/4″ 1/2 115/230 1 Bronze Fitted
2BF40534 1-1/4″ 1/2 208-230/460 3 Bronze Fitted
1BF10512 1″ 1/2 115/230 1 Bronze Fitted
1AI10512 1″ 1/2 115/230 1 Cast Iron
2BF10712 1-1/4″ 3/4 115/230 1 Bronze Fitted
2AI10712 1-1/4″ 3/4 115/230 1 Cast Iron
1BF10312 1″ 1/3 115/230 1 Bronze Fitted
1BF40312 1″ 1/3 115/230 1 Bronze Fitted
1AI10312 1″ 1/3 115/230 1 Cast Iron
1AI40312 1″ 1/3 115/230 1 Cast Iron
1AI40334 1″ 1/3 208-230/460 3 Cast Iron
1BF10334 1″ 1/3 208-230/460 3 Bronze Fitted
1BF40334 1″ 1/3 208-230/460 3 Bronze Fitted
1AI10334 1″ 1/3 208-230/460 3 Cast Iron
2BF10734 1-1/4″ 3/4 208-230/460 3 Bronze Fitted
2AI10734 1-1/4″ 3/4 208-230/460 3 Cast Iron
1BF10534 1″ 1/2 208-230/460 3 Bronze Fitted
1AI10534 1″ 1/2 208-230/460 3 Cast Iron
2AI10512 1-1/4″ 1/2 115/230 1 Cast Iron
2AI40512 1-1/4″ 1/2 115/230 1 Cast Iron
2BF11012 1-1/4″ 1 115/230 1 Bronze Fitted
1AI10712 1″ 3/4 115/230 1 Cast Iron
1BF10712 1″ 3/4 115/230 1 Bronze Fitted
2AI40534 1-1/4″ 1/2 208-230/460 3 Cast Iron
2BF50712 1-1/4″ 3/4 115/230 1 Bronze Fitted
2BF20712 1-1/4″ 3/4 115/230 1 Bronze Fitted
1AI11012 1″ 1 115/230 1 Cast Iron
1BF11012 1″ 1 115/230 1 Bronze Fitted
2AI10534 1-1/4″ 1/2 208-230/460 3 Cast Iron
1BF20512 1″ 1/2 115/230 1 Bronze Fitted
1AI20712 1″ 3/4 115/230 1 Cast Iron
1AI50512 1″ 1/2 115/230 1 Cast Iron
1BF20712 1″ 3/4 115/230 1 Bronze Fitted
1AI20512 1″ 1/2 115/230 1 Cast Iron
1BF50512 1″ 1/2 115/230 1 Bronze Fitted
1AI11512 1″ 1-1/2 115/230 1 Cast Iron
1BF11512 1″ 1-1/2 115/230 1 Bronze Fitted
1BF21012 1″ 1 115/230 1 Bronze Fitted
1AI21012 1″ 1 115/230 1 Cast Iron
1AI20534 1″ 1/2 208-230/460 3 Cast Iron
1BF50534 1″ 1/2 208-230/460 3 Bronze Fitted
1BF20534 1″ 1/2 208-230/460 3 Bronze Fitted
1AI50534 1″ 1/2 208-230/460 3 Cast Iron
1BF10734 1″ 3/4 208-230/460 3 Bronze Fitted
2BF10534 1-1/4″ 1/2 208-230/460 3 Bronze Fitted
1AI10734 1″ 3/4 208-230/460 3 Cast Iron
2BF21012 1-1/4″ 1 115/230 1 Bronze Fitted
2AI50734 1-1/4″ 3/4 208-230/460 3 Cast Iron
2AI20734 1-1/4″ 3/4 208-230/460 3 Cast Iron
1AI11034 1″ 1 208-230/460 3 Cast Iron
2BF11512 1-1/4″ 1-1/2 115/230 1 Bronze Fitted
1BF11034 1″ 1 208-230/460 3 Bronze Fitted
2AI50712 1-1/4″ 3/4 115/230 1 Cast Iron
2AI20712 1-1/4″ 3/4 115/230 1 Cast Iron
1BF20734 1″ 3/4 208-230/460 3 Bronze Fitted
1AI20734 1″ 3/4 208-230/460 3 Cast Iron
2AI21012 1-1/4″ 1 115/230 1 Cast Iron
2AI11012 1-1/4″ 1 115/230 1 Cast Iron
2BF11534 1-1/4″ 1-1/2 208-230/460 3 Bronze Fitted
1AI11534 1″ 1-1/2 208-230/460 3 Cast Iron
1BF11534 1″ 1-1/2 208-230/460 3 Bronze Fitted
2BF21512 1-1/4″ 1-1/2 115/230 1 Bronze Fitted
2BF20734 1-1/4″ 3/4 208-230/460 3 Bronze Fitted
2AI11034 1-1/4″ 1 208-230/460 3 Cast Iron
2AI11534 1-1/4″ 1-1/2 208-230/460 3 Cast Iron
2BF11034 1-1/4″ 1 208-230/460 3 Bronze Fitted
2BF81034 1-1/4″ 1 208-230/460 3 Bronze Fitted
1AI81034 1″ 1 208-230/460 3 Cast Iron
1BF81034 1″ 1 208-230/460 3 Bronze Fitted
2AI11512 1-1/4″ 1-1/2 115/230 1 Cast Iron
2BF50734 1-1/4″ 3/4 208-230/460 3 Bronze Fitted
2AI82034 1-1/4″ 2 208-230/460 3 Cast Iron
2BF12012 1-1/4″ 2 115/230 1 Bronze Fitted
1AI21512 1″ 1-1/2 115/230 1 Cast Iron
2BF22012 1-1/4″ 2 115/230 1 Bronze Fitted
1BF21512 1″ 1-1/2 115/230 1 Bronze Fitted
2AI21512 1-1/4″ 1-1/2 115/230 1 Cast Iron
2BF12034 1-1/4″ 2 208-230/460 3 Bronze Fitted
2AI12012 1-1/4″ 2 115/230 1 Cast Iron
2AI81034 1-1/4″ 1 208-230/460 3 Cast Iron
1AI81534 1″ 1-1/2 208-230/460 3 Cast Iron
1BF81534 1″ 1-1/2 208-230/460 3 Bronze Fitted
1BF82034 1″ 2 208-230/460 3 Bronze Fitted
1AI82034 1″ 2 208-230/460 3 Cast Iron
2BF82034 1-1/4″ 2 208-230/460 3 Bronze Fitted
2AI12034 1-1/4″ 2 208-230/460 3 Cast Iron
2AB40512 1-1/4″ 1/2 115/230 1 All Bronze
2AI22012 1-1/4″ 2 115/230 1 Cast Iron
2AB40534 1-1/4″ 1/2 208-230/460 3 All Bronze
2AI81534 1-1/4″ 1-1/2 208-230/460 3 Cast Iron
1AI22012 1″ 2 115/230 1 Cast Iron
1BF22012 1″ 2 115/230 1 Bronze Fitted
2BF81534 1-1/4″ 1-1/2 208-230/460 3 Bronze Fitted
2AB50734 1-1/4″ 3/4 208-230/460 3 All Bronze
2AB50712 1-1/4″ 3/4 115/230 1 All Bronze
1BF30534 1″ 1/2 230/460 3 Bronze Fitted
1AI60534 1″ 1/2 230/460 3 Cast Iron
1AI30534 1″ 1/2 230/460 3 Cast Iron
1BF60534 1″ 1/2 230/460 3 Bronze Fitted
1BF60512 1″ 1/2 115/230 1 Bronze Fitted
1AI30734 1″ 3/4 230/460 3 Cast Iron
1BF30734 1″ 3/4 230/460 3 Bronze Fitted
2BF30734 1-1/4″ 3/4 230/460 3 Bronze Fitted
1AI91034 1″ 1 230/460 3 Cast Iron
2AI30734 1-1/4″ 3/4 230/460 3 Cast Iron
2AI60734 1-1/4″ 3/4 230/460 3 Cast Iron
2BF60734 1-1/4″ 3/4 230/460 3 Bronze Fitted
1AB40312 1″ 1/3 115/230 1 All Bronze
1AB10312 1″ 1/3 115/230 1 All Bronze
1BF31512 1″ 1-1/2 115/230 1 Bronze Fitted
1BF32012 1″ 2 115/230 1 Bronze Fitted
1AB21512 1″ 1-1/2 115/230 1 All Bronze
1AB10512 1″ 1/2 115/230 1 All Bronze
1AI91534 1″ 1-1/2 230/460 3 Cast Iron
1AB10534 1″ 1/2 208-230/460 3 All Bronze
1AB11534 1″ 1-1/2 208-230/460 3 All Bronze
1AB10334 1″ 1/3 208-230/460 3 All Bronze
1AB40334 1″ 1/3 208-230/460 3 All Bronze
1AB10712 1″ 3/4 115/230 1 All Bronze
1AB50534 1″ 1/2 208-230/460 3 All Bronze
1AB20534 1″ 1/2 208-230/460 3 All Bronze
1AB10734 1″ 3/4 208-230/460 3 All Bronze
1AB20512 1″ 1/2 115/230 1 All Bronze
1AB11034 1″ 1 208-230/460 3 All Bronze
2AB10512 1-1/4″ 1/2 115/230 1 All Bronze
2AB10534 1-1/4″ 1/2 208-230/460 3 All Bronze
1AB11012 1″ 1 115/230 1 All Bronze
1BF91034 1″ 1 230/460 3 Bronze Fitted
1AB11512 1″ 1-1/2 115/230 1 All Bronze
1AB21012 1″ 1 115/230 1 All Bronze
1AB20712 1″ 3/4 115/230 1 All Bronze
1AB20734 1″ 3/4 208-230/460 3 All Bronze
1BF91534 1″ 1-1/2 230/460 3 Bronze Fitted
2BF91034 1-1/4″ 1 230/460 3 Bronze Fitted
2AB10712 1-1/4″ 3/4 115/230 1 All Bronze
2AB10734 1-1/4″ 3/4 208-230/460 3 All Bronze
2AB11034 1-1/4″ 1 208-230/460 3 All Bronze
2AI91034 1-1/4″ 1 230/460 3 Cast Iron
2AB11534 1-1/4″ 1-1/2 208-230/460 3 All Bronze
1AB81034 1″ 1 208-230/460 3 All Bronze
1AB22012 1″ 2 115/230 1 All Bronze
1AB81534 1″ 1-1/2 208-230/460 3 All Bronze
2AB20734 1-1/4″ 3/4 208-230/460 3 All Bronze
2AB20712 1-1/4″ 3/4 115/230 1 All Bronze
2AB11012 1-1/4″ 1 115/230 1 All Bronze
2AI91534 1-1/4″ 1-1/2 230/460 3 Cast Iron
2AB12034 1-1/4″ 2 208-230/460 3 All Bronze
1BF92034 1″ 2 230/460 3 Bronze Fitted
2AB21012 1-1/4″ 1 115/230 1 All Bronze
1AI92034 1″ 2 230/460 3 Cast Iron
2AB11512 1-1/4″ 1-1/2 115/230 1 All Bronze
2AB82034 1-1/4″ 2 208-230/460 3 All Bronze
2AB81034 1-1/4″ 1 208-230/460 3 All Bronze
1AB30534 1″ 1/2 230/460 3 All Bronze
1AB60534 1″ 1/2 230/460 3 All Bronze
2AB81534 1-1/4″ 1-1/2 208-230/460 3 All Bronze
2AB21512 1-1/4″ 1-1/2 115/230 1 All Bronze
1AB82034 1″ 2 208-230/460 3 All Bronze
2BF92034 1-1/4″ 2 230/460 3 Bronze Fitted
2BF91534 1-1/4″ 1-1/2 230/460 3 Bronze Fitted
2AB12012 1-1/4″ 2 115/230 1 All Bronze
2AI92034 1-1/4″ 2 230/460 3 Cast Iron
1AB30734 1″ 3/4 230/460 3 All Bronze
2AB60734 1-1/4″ 3/4 230/460 3 All Bronze
2AB30734 1-1/4″ 3/4 230/460 3 All Bronze
2AB22012 1-1/4″ 2 115/230 1 All Bronze
1AB91034 1″ 1 230/460 3 All Bronze
2AB91034 1-1/4″ 1 230/460 3 All Bronze
2AB91534 1-1/4″ 1-1/2 230/460 3 All Bronze
1AB92034 1″ 2 230/460 3 All Bronze
1AB91534 1″ 1-1/2 230/460 3 All Bronze
2AB92034 1-1/4″ 2 230/460 3 All Bronze
PERFORMANCE CURVES

REPAIR PARTS

goulds 3642 series Centrifugal pumps repair parts

WEIGHTS AND DIMENSIONS

goulds 3642 series Centrifugal pumps dimensions

OPTIONAL MECHANICAL SEALS

BROCHURE
Goulds 3642 Series Centrifugal Pump Brochure
INSTALLATION MANUAL
Goulds 3642 Series Centrifugal Pump Installation Manual
REPAIR PARTS
Goulds 3642 Series Centrifugal Pump Repair Parts

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