• Goulds 10AI2J1G0 3656 M&L Centrifugal Pump

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Goulds 10AI2J1G0 3656 M&L Series Centrifugal Pump, Size 4 x 5-8, All Iron, Close Coupled, 5 HP, 115/230 Volt, 60 hz, Single Phase, BUNA Mechanical Seal, ODP - Open Drip Proof Motor, 1750 RPM, 6.5" (6 1/2") Impeller Diameter

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Goulds 10AI2J1G0 3656 M&L Series Centrifugal Pump, Size 4 x 5-8, All Iron, Close Coupled, 5 HP, 115/230 Volt, 60 hz, Single Phase, BUNA Mechanical Seal, ODP - Open Drip Proof Motor, 1750 RPM, 6.5" (6 1/2") Impeller Diameter

Capacities (GPM)1600 GPM (363 m3/hr) at 3500 RPM, 4500 GPM (1020 m3/hr) at 1750 RPM
Discharge NPT (Inches)4"
Heads To (Feet)490 feet TDH (150m) at 3500 RMP, 300 feet TDH (90m) at 1750 RPM
Impeller Size (Inches)6.5" (6 1/2")
MaterialAll Iron
Maximum Operating Temperature212°F (100°C) with standard seal or 250°F (121°C) with optional seal
Maximum Working Pressure (PSIG)200 PSIG (14 bars)
Motor Enclosure TypeODP - Open Drip Proof
Phase1 Ph (Single Phase)
Pump Size4 x 5-8
Shaft Seal MaterialCarbon / Ceramic / SS Buna-N
Speed (RPM)1750
Suction NPT (Inches)5"
Suction Pressure100 PSIG (9 bars)

3656 3756 M-L Group Cast Iron Bronze Pump Series Information

Features & Benefits
Goulds 3656 / 3756 M&L Pumps are designed for an array or applications and have several features and benefits.
• The model 3656 offers close coupled design for space saving and simplified maintenance.
• The model 3756 offers a bearing frame mounted design for flexibility of installation and drive arrangements.
• SAE drive sizes 1 through 5 available on all M and L sizes.
• Back pull-out to reduce maintenance down time.
• Available in packed stuffing box design with Teflon™ impregnated packing, split Teflon lantern ring, tapped flush connection and 2 piece investment cast interlocking gland, all standard.
• Available in all iron or bronze fitted construction for application versatility.
• Replaceable wearing components include stainless steel shaft sleeve and casing and hub wear rings to maintain peak efficiency.
• 125 Class ANSI flange suction/discharge connections and casing rotation for piping connection versatility.
• NPT threaded connections are supplied on 1½ x 2 – 10 and 2½ x 3 – 8 models.
• Optional rigid carbon steel bedplate, sheet metal coupling guard and T. B. Woods spacer coupling for 3756 models.
• Standard NEMA motor frame, JM shaft extension (mechanical seal) JP shaft extension (packed box), C face mounting, single phase or three phase, 3500 or 1750 RPM for 60 Hz, 2900 or 1450 RPM for 50 Hz. Open drip-proof and totally enclosed fan cooled.
• Optional explosion proof and high efficiency motors are available.
• Optional casing rotation available - 3" (suction) and smaller can be rotated every 90º, 4" and larger can be rotated every 45º.
General Description
3656 / 3756 M&L Group Pumps are Cast Iron, Bronze Fitted End Suction Flanged Centrifugal Pumps
Enclosed Impeller
Enclosed impeller design, dynamic balancing and renewable wear rings reduce losses affecting performance and pump life.
Mechanical Shaft Seal Information
Standard Type 21 mechanical seal for both reliability and availability. Carbon/ceramic/BUNA standard, with other faces and elastomers available.
Motor Information
NEMA standard JM frame for 3656 or T-frame for 3756 mechanical seal, JP or T-frame for packed box. Open drip proof, totally enclosed fan cooled and explosion proof enclosures available. Single phase (115/230V), 2-5 HP and three phase (208-230/460 V) 2-150 HP available at 1750 or 3500 RPM.
Direction of Rotation
Clockwise viewed from motor end.


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Goulds 3657 / 3757 M&L Model Technical Brochure & Performance Curves


Goulds 3657/3757 M&L Installation, Operation & Maintenance Instruction Manual


Goulds 3656 /3756 M & L Group Repair Parts


Repair Parts for 10AI2J1G0

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