Griswold's 811 ANSI Series

Griswold pump logo
The 811 ANSI Pumps from Griswold are designed for versatility and lasting performance. They are also engineered to be easy to maintain and repair. Many of the pump components are interchangeable with other ANSI models to simplify inventory and reduce costs. The series is available in a variety of sizes, capacities, and materials to accommodate practically every fluid transfer application. Each ANSI pump is subjected to Griswold’s strict quality assurance programs to ensure the highest standard and most accurate tolerances.


Design Advantages

  • ASME (ANSI) B73.1 compliant
  • Certified testing per Hydraulic Institute (HI) standards
  • Extra-large capacity epoxy-coated oil sump
  • Registered alignment between frame and adapter
  • Fully open impellers with rear adjustment
  • Dynamically-balanced impellers

Available Options

  • Extensive range of models
  • Mechanical seal options
  • Design options for abrasive and chemicals
  • Accessories and spare parts
  • Power frame option
  • Baseplate

Key Specifications

MAX FLOW 1,590 m³/h
MAX HEAD 275 m


  • Food and beverage
  • Dairy
  • Pharmaceutical
  • Chemical
  • Water and wastewater
  • Transportation


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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