Bell & Gossett 1510 4E Pump With 25 HP 1800 RPM Motor

Facilities evaluating primary chilled-water equipment can consider the Bell & Gossett 1510 4E with a 25 HP, 1,800 RPM four-pole motor, stainless steel investment-cast impeller, and base-mounted end-suction configuration.

The flexible spacer coupling with center drop-out provides a specific arrangement for alignment and service access. Series 1510 documentation identifies a Buna-carbon-ceramic mechanical seal, 175 psig standard working pressure, 250 psig maximum working pressure, and 225°F standard seal temperature rating for applicable configurations.

Key Specifications of the Bell & Gossett 1510 4E Base-Mounted End Suction Pump

- The 25 HP motor defines the listed power requirement for electrical coordination and replacement screening.
- At 1,800 RPM, the four-pole speed establishes the rotating reference for motor matching.
- The 4E large-frame designation supports dimensional review against the proposed foundation and equipment-room layout.
- Base-mounted construction requires foundation planning, shaft alignment, and adequate service clearance.
- A stainless steel investment-cast impeller supplies the documented material reference for specification comparison.
- The flexible center-drop-out spacer coupling creates a defined arrangement for maintenance access.
- Primary chilled-water and institutional HVAC use provide the stated application basis for evaluation.

Hydraulic Performance, Efficiency and Application

Primary chilled-water service and large institutional HVAC are the documented applications, with high-volume operation identified in the supplied record. The product is described as providing high-efficiency hydronic performance, but no exact efficiency value, flow, head, NPSH, or complete curve is supplied.

Installation and System Requirements

Plan around the 25 HP motor, 1,800 RPM speed, base-mounted configuration, spacer coupling, foundation, shaft alignment, and service clearance. Seal pressure and temperature limits should remain within the applicable Series 1510 documentation, particularly near the stated 175 psig and 225°F standard boundaries.

Warranty, Support and Maintenance

Bell & Gossett provides an 18-Month Limited Warranty from shipment or a 1-Year Limited Warranty from installation, whichever occurs first, covering defects in materials and workmanship. Proper installation and intended use are required, while misuse, alteration, negligence, and contrary operation are excluded. Mulmotor can assist with product details and order-related questions before purchase.