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ASME B73.1 2012

ASME B73.1 2012

$98.04

ASME B73.1 Specification for Horizontal End Suction Centrifugal Pumps for Chemical Process

Published By Publication Date Number of Pages
ASME 2012 48
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This Standard covers centrifugal pumps of horizontal, end suction single stage, centerline discharge design. This Standard includes dimensional interchangeability requirements and certain design features to facilitate installation and maintenance. It is the intent of this Standard that pumps of the same standard dimension designation from all sources of supply shall be interchangeable with respect to mounting dimensions, size and location of suction and discharge nozzles, input shafts, baseplates, and foundation bolt holes.

PDF Catalog

PDF Pages PDF Title
5 CONTENTS
7 FOREWORD
9 ASME B73 COMMITTEE ROSTER
10 CORRESPONDENCE WITH THE B73 COMMITTEE
11 1 SCOPE
2 REFERENCES
12 Tables
Table 1-1 Pump Dimensions
14 Table 1-2 Baseplate Dimensions
15 3 ALTERNATIVE DESIGNS
16 4 NOMENCLATURE AND DEFINITIONS
4.1 Definitions of Terms
4.2 Additional Definitions
5 DESIGN AND CONSTRUCTION FEATURES FOR METALLIC PUMPS
5.1 Pressure and Temperature Limits
5.1.1 Pressure Limits.
5.1.1.1
5.1.1.2
5.1.1.3
5.1.2 Temperature Limits.
5.2 Flanges
5.2.1 General.
5.2.2 Class 300 Option.
5.2.3 X and Y Dimensions.
5.2.4 Heavy Hex Nuts.
5.3 Casing
5.3.1 Drain Connection Bosses.
17 5.3.2 Auxiliary Connection Bosses.
5.3.3 Support.
5.3.4 Disassembly.
5.3.5 Heating or Cooling
5.3.5.1
5.3.5.2
5.3.6 Gaskets.
5.4 Impeller
5.4.1 Types.
5.4.2 Adjustment.
5.4.3 Balance.
5.4.4 Attachment.
5.5 Shaft
5.5.1 Diameter.
5.5.2 Finish.
5.5.3 Runout.
5.5.4 Deflection.
5.5.5 Running Clearances.
5.5.6 Critical Speed.
Figures
Fig. 5.5.3-1 Shaft Sleeve Runout
18 5.5.7 Fillets and Radii.
5.6 Shaft Sealing
5.6.1 Design.
5.6.2 Seal Chamber.
5.6.2.1 Seal Chamber Runout.
Fig. 5.6.2-1 Cylindrical Seal Chamber
19 5.6.3 Universal Cover.
5.6.4 Packing Box.
5.6.5 Cover With Clamp Ring.
5.6.6 Space Requirements
5.6.6.1
5.6.6.2
5.6.7 Gland
5.6.7.1 Bolting.
Fig. 5.6.2-2 Self-Venting Tapered Seal Chamber
Fig. 5.6.2.1-2 Seal Chamber Register Concentricity
20 Fig. 5.6.3-1 Universal Cover
21 5.6.7.2 Gasket.
5.6.7.3 Cartridge Seal Glands.
5.6.8 Alternative Seal Specification.
5.7 Bearings, Lubrication, and Bearing Frame
5.7.1 Bearings
5.7.1.1 Design.
5.7.1.2 Life.
5.7.1.3 End Play.
5.7.2 Lubrication
5.7.2.1
5.7.2.2
5.7.2.3
5.7.3 Bearing Frame.
5.7.3.1 Sealing.
5.7.3.2 Bearing Frame Drain.
5.7.3.3 Lubricant Level Indication.
Fig. 5.6.4-1 Packing Box
22 5.7.3.4 Constant Level Oiler.
5.8 Materials of Construction
5.8.1 General
5.8.1.1
5.8.1.2
5.8.1.3
5.8.1.4
5.8.1.5
5.8.2 Gland
5.8.2.1
5.8.2.2
5.8.3 Auxiliary Piping
5.8.3.1
5.8.3.2
5.8.3.3
5.9 Corrosion Allowance
5.10 Direction of Rotation
5.11 Dimensions
5.12 Miscellaneous Design Features
5.12.1 Safety Guards.
5.12.2 Threads.
5.12.3 Lifting Rings.
5.12.4 Tapped Openings.
23 Table 5.8.1.2-1 Pump Material Classification Codes
24 Table 5.8.1.3-1 ASTM Material Specifications
25 5.12.5 Identification.
5.12.6 Adapter.
5.12.7 Baseplates.
5.12.8 C-Face Motor Adapter.
6 DESIGN AND CONSTRUCTION FEATURES FOR THERMOPLASTIC AND THERMOSET POLYMER MATERIAL PUMPS
6.1 Pressure and Temperature Limits
6.1.1 Pressure Limits.
6.1.1.1
6.1.1.2
6.1.1.3
6.1.2 Temperature Limits.
Table 5.8.3.1-1 Minimum Requirements for Auxiliary Piping Materials
26 6.1.3 Test Data.
6.2 Flanges
6.3 Casing
6.3.1 Drain Connection Bosses.
6.3.2 Auxiliary Connection Bosses.
6.3.3 Support.
6.3.4 Disassembly.
6.3.5 Heating or Cooling.
6.3.6 Gaskets.
6.3.7 Casing Fasteners for Thermoplastic and Thermoset Polymer Material Pumps.
Table 6.1.1.1-1 Thermoplastic and Thermoset Pump Minimum Design Pressures
Fig. 5.12.8-1 Pump With C-Face Motor Adapter, Short Coupled
27 6.4 Impeller
6.4.1 Types.
6.4.2 Adjustment.
6.4.3 Balance.
6.4.4 Attachment.
6.5 Shaft
6.5.1 Diameter.
6.5.2 Finish.
6.5.3 Runout.
6.5.4 Deflection.
6.5.5 Running Clearances.
6.5.6 Critical Speed.
6.5.7 Fillets and Radii.
6.6 Shaft Sealing
6.6.1 Design.
6.6.2 Seal Chamber.
6.6.2.1 Seal Chamber Runout.
6.6.3 Cover With Bolt on Seal Chamber.
6.6.4 Packing Box.
6.6.5 Cover With Clamp Ring.
6.6.6 Space Requirements.
6.6.7 Gland
6.6.7.1 Bolting.
6.6.7.2 Gasket.
6.6.7.3 Cartridge Seal Glands.
6.6.8 Alternate Seal Specification.
6.7 Bearings, Lubrication, and Bearing Frame
6.7.1 Bearings
6.7.1.1 Design.
6.7.1.2 Life.
6.7.1.3 End Play.
6.7.2 Lubrication
6.7.2.1
6.7.2.2
6.7.2.3
6.7.3 Bearing Frame.
6.7.3.1 Sealing.
6.7.3.2 Bearing Frame Drain.
28 Fig. 6.6.3-1 Backplate With Seal Chamber
29 Fig. 6.6.5-1 Backplate With Clamp Ring
30 6.7.3.3 Lubricant Level Indication.
6.7.3.4 Constant Level Oiler.
6.8 Materials of Construction
6.8.1 General
6.8.1.1
6.8.1.2
6.8.1.2.1
6.8.1.2.2
6.8.1.3
6.8.1.4
6.8.2 Gland
6.8.2.1 Materials of Construction.
6.8.2.2
6.8.3 Auxiliary Piping
6.8.3.1
6.8.3.2
6.8.3.3
6.9 Corrosion Allowance
6.10 Direction of Rotation
6.11 Dimensions
6.12 Miscellaneous Design Features
6.12.1 Safety Guards.
6.12.2 Threads.
6.12.3 Lifting Rings.
6.12.4 Tapped Openings.
31 6.12.5 Identification.
6.12.6 Adapter.
6.12.7 Baseplates.
6.12.8 C-Face Motor Adapter.
6.13 Inserts and Connecting Fasteners for Thermoplastic and Thermoset Polymer Material Pumps
7 GENERAL INFORMATION
7.1 Application
7.1.1 Terminology.
7.1.2 Nozzle Loading.
7.1.3 Sound.
7.1.4 Vibration.
7.1.5 Hydraulic Coverage.
7.1.6 Allowable Operating Region.
7.1.7 NPSHR.
7.1.8 NPSH Margin.
7.1.9 Performance Curves.
32 Table 7.1.5-1 Approximate Hydraulic Coverage, 50 Hz
33 Table 7.1.5-2 Approximate Hydraulic Coverage, 60 Hz
34 7.2 Tests and Inspections
7.2.1 Tests
7.2.1.1 Hydrostatic
7.2.1.2 Performance
Table 7.1.6-1 Minimum Continuous Flow
35 7.2.1.3 Additional Data.
7.2.1.4 Leak.
7.2.1.5 NPSHR.
7.2.2 Inspections
7.2.2.1 Final Inspection.
7.2.2.2 Dismantling and Inspection After Test.
7.2.2.3 Inspection of Connection Welds.
7.2.2.4 Inspection of Castings.
7.3 Nameplates
8 DOCUMENTATION
8.1 General
8.2 Requirements
8.3 Document Description
8.3.1 Pump and Driver Outline Drawing
36 Fig. 8.3.1-1 Sample Outline Drawing
37 8.3.2 Centrifugal Pump Data
8.3.3 Mechanical Seal Drawing
8.3.4 Mechanical Seal Piping Drawing
8.3.5 Cooling/Heating Piping Drawing
8.3.6 Performance Curve
8.3.6.1 Single-Speed Performance.
8.3.6.2 Variable Speed Performance.
8.3.6.3
8.3.7 Cross-Section Drawing.
8.3.8 Instruction Manual
38 8.3.9 Coupling Data.
8.3.10 Driver.
8.4 Specially Requested Documentation
8.4.1 Master Document List
8.4.2 Allowable External Forces and Moments on Nozzles List.
8.4.3 Parts List
8.4.4 Special Operating and Design Data.
8.4.5 Special Testing, Painting, and Preparation.
8.4.6 Statement of Compliance.
39 MANDATORY APPENDIX I ASME CENTRIFUGAL PUMP DATA SHEET
44 MANDATORY APPENDIX II MECHANICAL SEAL AND PACKING CONFIGURATION CODES
46 NONMANDATORY APPENDIX A ELECTRONIC DATA EXCHANGE

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