Griswold Products

Reliable products that perform at the highest levels

For over 70 years, our history of experience shows our commitment to providing quality centrifugal pumps.

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Unmatched in technical capabilities

Griswold overcomes unique operational challenges for applications in the safest, most efficient and profitable way possible.

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Griswold Self-Priming Centrifugal Pump - 811SP Series Griswold Self-Priming Centrifugal Pump Cutaway - 811SP Series Griswold Self-Priming Centrifugal Pump - 811SP Series Griswold Self-Priming Centrifugal Pump - 811SP Series Griswold Self-Priming Centrifugal Pump - 811SP Series

Griswold® 811SP Series Pumps Self-Priming Centrifugal Pumps

The 811SP Series is a line of centrifugal pumps designed for robust performance in harsh self-priming applications. With full back-end interchangeability with Griswold's 811 ANSI Series, all of the impeller material and back pull-out options of the 811 ANSI Series are available with each CD4MCuN 811SP case.

Max Flow Rate
  • 1,300 gpm (295 m³/h) 
Max Head
  • 380 ft (115 m)
Max Temperature
  • 500°F (260°C)
Available Materials
  • CD4MCuN
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  • Component interchangeability with Griswold 811 ANSI Series ASME B73.1 pumps
  • Designed to meet the requirement of ASME B73.1
  • Extra-large capacity, epoxy-coated oil sump
  • Quick priming time and easy drainage
  • Dynamically balanced impellers increase pump life cycle
  • Casing retains priming fluid during siphon conditions
  • Heavy-duty power frames
  • Magnetic power frame drain plug
  • Fully open impellers with rear-adjustment capability
  • Wide variety of mechanical seal options
  • High-quality, genuine, certified parts
  • Part-for-part interchangeability with select competitor models
  • Easy retrofit from Griswold 811 ANSI Series pumps and select competitor models
  • Available with steel, stainless steel, or composite baseplates
  • Performance validated in a test lab certified per Hydraulic Institute (HI) 14.6
  • Material certifications per ASTM
  • Easy service of one-piece casing with access holes

1Ductile Iron Frame Adapters

2Labyrinth Seals Standard

3C-Face Mounting Flange

4Extra-Large Capacity Powder-Coated Oil Sump

5External Clearance Adjustment

6Heavy-Duty Shaft and Bearings

7Oversized Sight Glass

8Magnetic Drain Plug

9Self-Priming Casing

10Fully Open Impeller

11Sealing Flexibility

12Contained Casing Gasket

Griswold 811SP Series Pump

Performance Coverage

Griswold Self-Priming Centrifugal Pumps Performance Curve - 811SP Series

811SP Series and 811 ANSI Series Size Comparison

Griswold Size Comparison Chart

Size Comparison Chart

811 ANSI Series 811SP Series
1.5x1-6 1.5x1-6
1.5x1-8 1.5x1.5-8
2x1-10 2x2-10
3x2-10 3x3-10
3x2-13 3x3-13
4x3-10 4x4-10
4x3-13 4x4-13
6x4-13 6x6-13

Options and Accessories

Seal Chambers

Seal Chambers

Our quality seal chambers, available in standard, large, and tapered bore, are engineered to provide optimum seal environment for heat dissipation, solids, entrapped air and vapor.

Cartridge Seals

Cartridge Seals, Component Seals, and Conventional Packing

Our seal selection will accommodate a variety of fluid characteristics and temperature ranges for demanding chemical, petroleum, pharmaceutical and general industry applications.


Seal-Flush Plans

ASME (ANSI) B73.1 seal-flush and cooling plans are offered to control emission levels, improve lubrication and cooling of the seal faces, as well as reduce downtime.

Mounting Systems
  • Special Surface Preparation
  • Lubrication System Accomodation
  • Baseplate Mounting Systems
  • Heavy-Duty C-Face Motor Adapter
  • Watchdog Oilers