Griswold's 850 Series

Griswold pump logo
Griswold 850 Series pumps have been specifically designed with versatility in mind. Thanks to their efficient performance, extensive features, long life, and easy maintenance, these pumps are ideal for use in a wide variety of water applications. Griswold 850 Series pumps have been specially engineered and precision-built to meet NSF/ANSI Standard 50 (NSF 50), which establishes the requirements for the equipment used in the water circulation systems of swimming pools, spas, and hot tubs.


Design Advantages

  • Heavy-duty, robust design
  • Flanged connections per ASME B16.1
  • Single-piece enclosed impellers
  • Back pull-out design for ease of maintenance
  • Renewable lead-free bronze-wearing rings.
  • INPRO® labyrinth oil seals, sight glass, oversized shaft and bearings

Available Options

We customise pumps according to your specific application. Get in touch with us today to get a complete list of your options.

  • Multiple seal options are available
  • Size and configuration options
  • Epoxy coating
  • Baseplate/mounting
  • Accessories and spare parts

Key Specifications

MAX FLOW 874 m³/hr
MAX HEAD 131 m
AVAILABLE MATERIALS Iron with Aluminum Bronze

*For Pump Energy Index Constant Load (PEICL) and Impeller diameter data, please download the brochure.


  • Wastewater Systems
  • HVAC Systems
  • Boilers
  • Cooling Towers
  • Water Treatment
  • Collection & Disposal
  • Fountains
  • Water Parks
  • Zoos
  • Commercial Swimming Pools
  • Marine
  • Commercial & Agricultural
  • Irrigation


Centrifugal pumps are used to induce flow or raise a liquid from a low level to a high level. These pumps work on a very simple mechanism. A centrifugal pump converts rotational energy, often from a motor, into energy in a moving fluid.
The two main parts that are responsible for the conversion of energy are the impeller and the casing. The impeller is the rotating part of the pump, and the casing is the airtight passage that surrounds the impeller. In a centrifugal pump, fluid enters the casing, falls on the impeller blades at the eye of the impeller, and is whirled tangentially and radially outward until it leaves the impeller into the diffuser part of the casing. While passing through the impeller, the fluid is gaining both velocity and pressure.

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