End suction, close-coupled, foot-mounted pump available in 1-1/4” through 6” sizes. Motor size 3/4 to 50 HP at 1750 RPM, 2 to 60 HP at 3500 RPM. Available in bronze-fitted and all-iron construction with flows to 2300 GPM, heads to 400 feet. Close-coupled, space-saving economy plus rugged construction make the Series 1531 an ideal selection for a variety of horizontal and vertical mount applications. Available with the B&G standard self-flushing Carbon/Ceramic mechanical seal in 175# working pressure design.

APPLICATIONS:
Hydronic heating and cooling systems, general service, cooling towers and industrial uses.

Features and Benefits

  • Back pullout design allows ease of maintenance.
  • Self-flushing mechanical seals.
  • Aluminum bronze shaft sleeve.
  • Enclosed, balanced impeller for quiet, vibration free performance.
  • Heavy duty cast iron volute construction for 175 PSI working pressure.
  • Jacking bolts provide ease of volute disassembly.
  • Gauge tappings.
  • Hydrostatic testing of each pump is standard.
Bell & Gossett offers several useful engineering tools for easy sizing of every area of a building. Simple to navigate software gives you accurate information and up-to-date documentation downloadable straight into your submittal package.
Some tools require a registered account: New User Registration | Existing User Password Help
ESP-Design PlusBell & Gossett: Multi-Stage, Pressure Booster Packages, Wastewater, Vertical Turbines
ESP-PlusBell & Gossett Pump Selection: Circulators, End Suction, Closed-Coupled, Inline, Double Suction
ESP-TanksBell & Gossett Compression/Expansion Tanks and Accessories (downloadable app)
ESP-ThermalBell & Gossett Gasket Plate & Frame and, Brazed Plate Heat Exchangers
ESP-UTUBEBell & Gossett U-Tube Heat Exchangers
ESP-PartsParts Selection
Steam-2000Steam 2000 Selection
Steam-1140Series 1140 Steam Service Regulators
Water-1140Series 1140 Water Service Regulators
Steam-TrapsSteam Traps Selection
CAD DrawingsCAD Drawings
System SyzerSystem Syzer (available online, PC download, and iOS app)
System Syzer PsychrometrySystem Sizing related to coil cooling (link downloads .exe file)
Steam-PipeSteam Pipe Sizing
Steam-LossSteam Loss Through Failed Trap
Flash-SteamFlash Steam Sizing
Condensate-PipeCondensate Pipe Sizing
Mobile Catalog iOSiPhone & iPad Mobile Product Catalog
Mobile Catalog AndroidAndroid Device Mobile Product Catalog

Bell & Gossett is a leading manufacturer of pumps, valves, heat exchangers, and accessories for plumbing, wastewater, and HVAC—including steam and heat transfer—applications. To build and operate an efficient water system, you need both the right products and experts who know the application. Here, you can access Bell & Gossett’s trusted network of partners who have the experience you need to get the job done right.

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