Goulds 3171 Vertical Sump and Process Pumps

Summary

Product identification

The Goulds API 3171 is an API 610 Compliant VS4 Vertical Sump Pump, fully compliant with API 610 9th/10th edition and ISO 13709 VS4 standards.

Operating limits

• Capacities: to 3180 GPM (722 m³/h)
• Heads: to 525 feet (160 m)
• Temperatures: to 450° F (232° C)
• Pit Depths: to 20 feet (6 m)

Mechanical / hydraulic

Design Features:

• Compliant thrust bearing arrangement:
  • Grease or oil mist compatible
  • Duplex single row with machined brass cages
  • INPRO® bronze labyrinth seals
• Compliant disc coupling balanced to AGMA 9
• Fully compliant bearing spans
• 300# discharge flanges as standard
• 1/2" diameter lubelines for steady bearings
• Integral lifting eyes
• Many interchangeable parts with Model 3171

Optional Features:

• Single Seal Vaporproof Construction: Used where emissions control is required, featuring gasketed fits and a dry-running seal to keep vapors in the sump.
• Double Seal Vaporproof Construction: Offers additional protection for critical services, with optional flush plans available.
• Common Options:
  • Optional bearings
  • Optional soleplate (pit cover)
  • Jacketed construction
  • Tank flange support plate

Materials of Construction

• Casing: A216 WCB, A743 CF8M, A890 Gr. 4A, A890 Gr. 5A
• Impeller: A536 65-45-12, A436 Type 2, A216 WCB, A487 CA6NM, A743 CF8M, A890 Gr. 4A, A890 Gr. 5A
• Thrust Bearings: 40 Degree angular contact w/ machined brass cage
• Shaft: A582 S41600, A276 S31600, A276 S31803, A479 S32750
• Bearing Shell: A216 WCB
• Suction Cover: A216 WCB, A743 CF8M, A890 Gr. 4A, A890 Gr. 5A
• Strainer: 316 plate, A890 Gr. 4A, A890 Gr. 5A
• Support Plate: Carbon steel
• Flush Tubing: As specified
• Column: Carbon steel, A312 316L, A790 S31803, A790 S32750
• Discharge Pipe: Schedule 40, A53 Gr. F, A312 316L, A790 S31803, A790 S32750
• Steady Bearings: Carbon or as specified
• Motor Support: A48 Cast iron
• Discharge Elbow: A216 WCB, A351 CF3M, A890 Gr. 4A, A890 Gr. 5A
• Labyrinth Seals: Bronze INPRO®
• Gaskets: Nitrile acrylic
• Bolt – Column to Casing: A193 B8M, B574 S10276
• Bolt – Elbow to Casing: B574 S10276

Hydraulic coverage charts for 1750/1450 RPM and 3500/2850 RPM are referenced in the document but are not included in this text extract.

---

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

Official datasheet (PDF)

Lenntech datasheet mirror