Products

ANSI design end suction centrifugal pumps, available in ductile iron, 316ss fitted, 316ss, CD4M, and Alloy 20. Pumps available with standard type stuffing box suitable for use with packing and most mechanical seals, and oversized stuffing box for use with mechanical seals. Pumps available with Oil Lubricated ball bearings, external impeller adjustment, open impeller design, heavy duty shaft and bearings, available with solid or hook-Type sleeve construction.
Unit of Measure

Manufacturer


Griswold

Pump Classification

Self-Priming Centrifugal Pumps

Model

811M

Volute

Single

Nominal Case Thickness

1/2 in

Max. Corrosive Allowance

1/8

Working Pressure

Limits set by ANSI B16.5

Hydro Test (PSIG at 100°F)

150% of working pressure at 100°F (38°C)

Max. Liquid Temperature

350°F without Cooling / 500°F with Cooling

Shaft Diameter at Coupling

1 1/8 in

Shaft Diameter Sleeve Under Seal

1 3/4 in

Shaft Diameter at Impeller

1 in

Shaft Diameter Under Sleeve

1 1/2 in

Shaft Diameter Overhang

8 3/8 in

Bearings Radial (SKF)

6309

Bearings Thrust (SKF)

5309 A/C3

Bearings Span

6 3/4 in

Mechanical Seal Size

1 3/4 in

Standard Bore Stuffing Box I.D.

2 1/2 in

Standard Bore Depth

2 5/8 in

Standard Bore End of Box Nearest Obstruction

2 13/16 in

Large Bore Stuffing Box I.D.

3 1/2 in

Large Bore Depth

2 5/8 in

Large Bore End of Box Nearest Obstruction

2 13/16 in

Lantern Ring Width

5/8 in

Size

Medium

Power

61 hp

Speed

1750 rpm