Located in Grand Terrace, California, Griswold Pump Company is a full featured manufacturing facility providing a broad range of pumps for oil & gas, chemical process, industrial, and municipal applications. Griswold designs, engineers, and manufactures a variety of pumps including ANSI, end suction centrifugal, and self-priming.
All Pumps has been importing, distributing and supporting Griswold Pumps in a wide range of industries throughout Australia for many years.
811 Series ANSI/ASME Centrifugal Pumps
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
3500 2850 RPM Performance Curve
| Griswold811 Model | Model 811S | Model 811M | Model 811L | Model 811XL |
|---|---|---|---|---|
| Volute | Single | |||
| Nominal Case Thickness (in.) | 3/8 | 1/2 (6x4–13A80 = 5/8) | 9/16 | |
| Corrosive Allowance @ Max. | 1/8 | |||
| Working Pressure | Limits set by ANSI B16.5 | |||
| Max. Working (psig) | See Pressure/Temp. charts | |||
| Hydro Test PSIG @ 100ºF | 150% of working pressure at 100ºF (38ºC) | |||
| Max. Liquid Temperature 350ºF (177ºC) without Cooling / 500ºF (260ºC) with Cooling |
||||
| At Coupling (in.) | 7/8 | 1-1/8 | 1-7/8 | 2-3/8 |
| Shaft | ||||
| Sleeve Dia. Under Seal (in.) | 1-3/8 | 1-3/4 | 2-1/8 | 2-1/2 |
| Diameter | ||||
| Under Impeller (in.) | 3/4 | 1 | 1-1/4 | 1-1/2 |
| Under Sleeve (in.) | 1-1/8 | 1-1/2 | 1-7/8 | 2 |
| Overhang (in.) | 6 1/8 | 8-3/8 | 8-3/8 | 9 -31/32 |
| Radial | SKF 6207 | SKF 6309 | SKF 6311 | SKF 6313 |
| Bearings | ||||
| Thrust | SKF 5306 A/C3 | SKF 5309 A/C3 | SKF 7310 BECBM | SKF 5313 A/C3 |
| Bearing Span | 4-1/8 | 6-3/4 | 6-7/8 | 9-1/4 |
| Mechanical Seal | ||||
| Size (in.) | 1-3/8 | 1-3/4 | 2-1/8 | 2-1/2 |
| Stuffing Box | ||||
| I.D. (in.) | 2 | 2-1/2 | 2-7/8 | 3-3/8 |
| Standard Bore | ||||
| Depth (in.) | 2-1/8 | 2-5/8 | 3 | |
| Distance End of Box to Nearest Obstruction | 2-1/2 | 2-13/16 | 2-15/16 | |
| Stuffing Box | ||||
| I.D. (in.) | 2-7/8 | 3-1/2 | 3-7/8 | 4-1/2 |
| Large Bore | ||||
| Depth (in.) | 2-1/8 | 2-5/8 | 3 | |
| Distance End of Box to Nearest Obstruction | 2-3/16 | 2-13/16 | 2-17/20 | |
| Lantern Ring | ||||
| Width (in.) | 7/16 | 5/8 | 5/8 | |
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