Griswold Centrifugal Process Pumps See all Brands

Griswold’s line of 811 ANSI pumps is engineered for flexibility and durability. The 811 ANSI centrifugal pump is available in a wide range of sizes, capacities and materials to fit virtually any process fluid application. With over 30 selections and multiple design options, we’ve got your application covered—for abrasive and corrosive substances, and capacities ranging from 4 through 7000 gallons per minute.

The Model 811 ANSI centrifugal pump is available in a wide range of sizes, capacities and materials to fit virtually any process-fluid application. With more than 30 selections and multiple design options, we’ve got your application covered - for abrasives, corrosive substances and a wide range of capacities.

Features and Benefits

• ANSI/ASME B73.1-compliant
• Magnetic drain plug
• Extra-large capacity epoxycoated oil sump
• Registered alignment between frame and adapter
• Standard and low-flow models available
• Heavy-duty power frames
• Fully open impellers with rear-adjustment capability
• Wide variety of mechanical seal options
• Dynamically balanced impellers

Technical Data

• Ductile iron, 316 stainless steel, CD4MCu and Alloy 20 materials available
• Max. temperature: 260°C (500°F)
• Three stuffing-box options available
• Multiple port sizes available
• Multiple seal-flush plans available
• Steel and composite baseplates available
• Certified testing per Hydraulic Institute and material certifications

Griswold’s E,F & G Series end suction centrifugal pumps are designed for versatility. The E,F & G Series is proven to be ideal for most water pumping applications with flow rates up to 3,000 gpm, heads to 310 ft., extensive performance features, and a broad range of sizes and configuration options.

In addition to the wide variety of options and upgrades, the E,F & G Series pumps also offer excellent performance, simplified maintenance, high reliability and reduced cost of ownership compared to many of the competitor pumps available on the market today.

Features and Benefits

• NSF® Certified (F-series only)
• Flow rates up to 3,000 GPM
• Max Discharge Pressure Head 310 ft.
• Heavy Duty, Robust Design
• Single Piece Enclosed Impeller
• Epoxy Coated Interior
• Flanged connections in accordance with ANSI B16.1
• Back pull-out design for ease of maintenance
• Close-coupled NEMA electric motors available
• Frame mounted with coupling to: electric motors, engines, steam turbines, or belt-driven options.

Baseplate Mounting Systems

Griswold offers a complete range of preengineered channeled steel baseplates designed to reduce stress and vibration as well as extend MTBR (mean time between repair), thus ensuring long-term durability. Bases include a fully enclosed steel coupling guard as standard, with optional nonsparking coupling guard.

Seals Available

• Carbon/Ceramic/Buna (standard)
• Carbon/Ni-Resist/Viton®
• Carbon/Silicon Carbide/Viton®
• Silicon Carbide/Silicon Carbide/Viton®
• Silicon Carbide/Tungsten/Viton®
• Packing

Material Availability

• Cast Iron with Bronze Fitted Impellers

Size Availability

• 3” x 2”
• 4” x 3”
• 5” x 4”
• 6” x 5”
• 8” x 6”
• 8” x 8”

Griswold self-priming centrifugal pumps are designed for a variety of applications. From draining barges and tank cars to dewatering mines or underground storage facilities.

Ideally suited for turf irrigation, fire protection, swimming pool, industrial, marine and general transfer applications where greater flows and higher heads are needed. Available in 3, 5, 7½, 10, 15 and 20 horsepower with heads to 270’ and flows to 325 GPM.