ASME B73.3 2022

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ASME B73.3-2022 Specification for Sealless Horizontal End Suction Centrifugal Pumps for Chemical Process

Published By	Publication Date	Number of Pages
ASME	2022

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Description

This Standard is a design and specification standard that covers metallic and plastic lined sealless 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 and enhance reliability and safety of B73.3 pumps. 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.

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PDF Pages	PDF Title
4	CONTENTS
6	FOREWORD
7	ASME B73 COMMITTEE ROSTER
8	CORRESPONDENCE WITH THE B73 COMMITTEE
10	1 SCOPE 2 REFERENCES
12	3 ALTERNATIVE DESIGNS 3.1 Extended Length Pump Design 3.2 Close-Coupled Design 3.3 Alternative Designs 4 NOMENCLATURE AND DEFINITIONS 4.1 Definitions of Terms 4.2 Additional Definitions
13	Tables Table 1-1 Pump Dimensions for Flexibly Coupled Magnetic Drive Pumps (U.S. Customary)
15	Table 1-1M Pump Dimensions for Flexibly Coupled Magnetic Drive Pumps (SI)
17	Table 1-2 Baseplate Dimensions for Flexibly Coupled Magnetic Drive Pumps (U.S. Customary)
19	Table 1-2M Baseplate Dimensions for Flexibly Coupled Magnetic Drive Pumps (SI)
21	Table 1-3 Baseplate Dimensions for Close-Coupled Magnetic Drive Pumps (U.S. Customary)
22	Table 1-3M Baseplate Dimensions for Close-Coupled Magnetic Drive Pumps (SI)
23	Table 1-4 Pump Dimensions for Canned Motor Pumps (U.S. Customary)
25	Table 1-4M Pump Dimensions for Canned Motor Pumps (SI)
27	Table 1-5 Baseplate Dimensions for Canned Motor Pumps (U.S. Customary)
29	Table 1-5M Baseplate Dimensions for Canned Motor Pumps (SI)
31	5 DESIGN AND CONSTRUCTION FEATURES 5.1 Pressure and Temperature Limits
32	5.2 Flanges 5.3 Casing
33	Figures Figure 5.3.7.1-1 Cooling and Heating Piping Plans
34	5.4 Impeller Figure 5.4.2-1 Impeller Dimensions to Determine Single-Plane or Two-Plane Balance
35	5.5 Internal Drive Assembly
36	5.6 Containment Design Figure 5.5.5.5-1 Plan 114 Modified
38	5.7 Bearings, Lubrication, and Bearing Frame (MDP)
39	5.8 Outer Magnet Assembly (MDP) 5.9 Stator Assembly (CMP) 5.10 Materials of Construction
40	Table 5.10.1.2-1 Magnetic Drive and Canned Motor Pump Material Classification Codes
41	5.11 Auxiliary Piping
42	Table 5.10.1.2-2 Magnetic Drive Pump Example: MDP-316-B-A-A-C-T-V-S Table 5.10.1.2-3 Canned Motor Pump Example: CMP-316-B-H-C-C-T-K
43	Table 5.10.1.3-1 ASTM Material Specifications
44	5.12 Corrosion Allowance 5.13 Direction of Rotation 5.14 Dimensions 5.15 Welding Table 5.11.1-1 Minimum Requirements for Auxiliary Piping Materials
45	5.16 Miscellaneous Design Features Table 5.15.1-1 Welding Requirements
48	5.17 Monitoring Devices
49	6 GENERAL INFORMATION 6.1 Application Figure 5.17.4-1 CMP Vibration Measurement Locations
50	6.2 Tests and Inspections Table 6.1.8.1.1-1 Published Performance Curve Rated Speeds
53	6.3 Nameplates Table 6.2.2.3-1 Specified Nondestructive Testing Levels
54	7 DOCUMENTATION 7.1 General 7.2 Requirements 7.3 Document Description
55	Figure 7.3.1-1 Pump and Driver Outline Drawing for MDP
56	Figure 7.3.1-2 Pump and Driver Outline Drawing for CMP
57	Table 7.3.1-1 Tapped Opening Markings
58	7.4 Specially Requested Documentation
60	MANDATORY APPENDIX I ASME SEALLESS CENTRIFUGAL PUMP DATA SHEET
61	Forms Form I-1 Sealless Centrifugal Pump Data Sheet (U.S. Customary)
64	Form I-1M Sealless Centrifugal Pump Data Sheet (SI)
67	NONMANDATORY APPENDIX A ELECTRONIC DATA EXCHANGE

Additional information

Standard Title	ASME B73.3-2022 Specification for Sealless Horizontal End Suction Centrifugal Pumps for Chemical Process
Published Code	ASME
Publication Date	2022

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ASME B73.3 2022

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