Goulds CV 3171 Vertical Sump and Process Pumps

Summary

Product Identification

The Goulds 3171 and CV 3171 are Vertical Sump and Process Pumps designed for a wide range of industrial services. The 3171 model features an open impeller design, while the CV 3171 features a recessed impeller design, ideal for large solids and shear-sensitive fluids.

Goulds 3171 (Open Impeller)

Operating Limits

• Capacities: to 3,180 GPM (722 m³/h)
• Heads: to 344 feet (105 m)
• Temperatures: to 450° F (232° C)
• Pit Depths: to 20 feet (6 m)
• Maximum Total Working Pressure—Casing: 150 PSI (1035 kPa) for some models, up to 450 PSI (3102 kPa) for others.
• Max. Liquid Temp.— Without Upper Stuffing Box: 210°F (99°C)
• Max. Liquid Temp.— Upper Stuffing Box: 450°F (232°C)

Design Features

• Self-Priming
• Rugged Double Row Thrust Bearing
• Heavy Duty One-Piece Shaft
• External Impeller Adjustment
• Available in a Wide Range of Alloys
• Open Impeller Design
• Vapor Proof Option: Choice of packing, or mechanical seal for containing sump vapors

Services

• Industrial Process
• Industrial Sump Wastes
• Molten Sulfur
• Tank Unloading
• Corrosive and Non-Corrosive Liquids
• Pollution Control
• Molten Salts

Materials of Construction

Common materials for key components include:

• Casing: Cast Iron, Steel, 316SS, Alloy 20, Hastelloy
• Impeller: Ductile Iron, Bronze, Steel, 316SS, Alloy 20, Hastelloy
• Pump Shaft: Steel, 316SS, Alloy 20, Hastelloy
• Steady Bearings: Carbon (standard), optional fluted rubber with rigid shell, bronze
• Restrictor Bushing: Carbon-Filled Teflon®
• Labyrinth Seal: Carbon-Filled Teflon® with Viton O-ring
• Suction Cover: Cast Iron, Steel, 316SS, Alloy 20, Hastelloy

Mechanical / Hydraulic

• Pump Weight (2 Foot Depth) Less Motor: Varies by model, from 275 Lb (125 kg) to 910 Lb (414 kg).
• Weight—Add to Each 6" of Length: Varies by model, from 13 Lb (6 kg) to 40 Lb (18 kg).
• Maximum Diameter of Solids: Varies by model, from 0.188 (5) to 1.188 (30).
• Shaft Diameter: Specific diameters at impeller, coupling end, and steady bearing vary by model.
• Ball Bearings: 5305 or Equal, 5308 or Equal, 5311 or Equal, depending on model.
• Steady Bearing (Sleeve Type): Dimensions vary by model, e.g., 1.125 I.D.x1.625 O.D. (29x41) or 1.625 I.D.x2.125 O.D. (41x54).
• Dimensions: All dimensions are in inches and (mm) and are not to be used for construction. See the official PDF for exact tabulated values.
• Hydraulic Coverage: Performance curves are available in the official PDF.

Goulds CV 3171 (Recessed Impeller)

Operating Limits

• Capacities: to 1,300 GPM (295 m³/h)
• Heads: to 230 feet (126 m)
• Temperatures: to 450° F (232° C)
• Pit Depths: to 20 feet (6 m)
• Maximum Total Working Pressure—Casing: 285 PSIG (1965 kPa)
• Max. Liquid Temp.— Without Upper Stuffing Box: 180° F (82° C)
• Max. Liquid Temp.— With Upper Stuffing Box: 450° F (232° C)

Design Features

• Self-Priming
• Rugged Double Row Thrust Bearing
• Heavy Duty One-Piece Shaft
• External Impeller Adjustment
• Available in a Wide Range of Alloys
• Recessed Impeller Design
• Sealless Design
• Optional Vapor Proof Construction
• Non-Clog Circular Casing
• Optional Strainer

Services

• Fiberous Wastewater
• Industrial Process
• Industrial Sump Wastes
• Tank Unloading
• Corrosive and Non-Corrosive Liquids
• Food Processing
• Chemical Slurries

Materials of Construction

Common materials for key components include:

• Casing: D.I., CD4, GA-20
• Impeller: CD4, GA-20
• Shaft: Steel, 316SS, C-20
• Steady Bearing: Carbon/Bronze/Rubber/Viton
• Bushing (casing): Carbon Teflon
• Seal, Labyrinth: Teflon/Viton

Mechanical / Hydraulic

• Pump Weight (3 Foot Depth) Less Motor: Varies by model, from 484 Lb (220 kg) to 616 Lb (280 kg).
• Weight—Add to Each 6” of Length: 20 Lb (9 kg).
• Maximum Diameter of Solids: Varies by model, from 1.75 (45) to 2.75 (70).
• Shaft Diameter: Specific diameters at impeller, coupling end, and steady bearing vary by model.
• Ball Bearing: 5308 or Equal.
• Steady Bearing (Sleeve Type): 1.625 I.D. × 2.125 O.D. (41 I.D. × 54 O.D.) 4.00 LG. (102 LG.).
• Dimensions: All dimensions are in inches and (mm) and are not to be used for construction. See the official PDF for exact tabulated values.
• Hydraulic Coverage: Performance curves are available in the official PDF.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the complete OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror