1 Scope
This Standard specifies terms and definitions, design, materials, shop inspection and test, preparation for dispatch and responsibilities of centrifugal pumps (hereinafter referred to as "the pump").
This Standard is applicable to industrial pumps under conditions with relatively high requirements.
This Standard is not applicable to storage pumps as well as pumps for petroleum, heavy-duty chemical and gas industry services.
2 Normative References
The following documents for the application of this document are essential. For dated reference, only the edition cited applies. For undated reference, the latest edition of the normative document (including any amendments) applies.
GB/T 3216 Rotodynamic Pumps - Hydraulic Performance Acceptance Tests - Grades 1 and 2
GB/T 3767 Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Engineering Method in an Essentially Free Field over a Reflecting Plane
GB/T 4662 Rolling Bearings - Static Load Ratings
GB/T 5661 End-suction Centrifugal Pumps - Dimensions of Cavities for Mechanical Seals and for Soft Packing
GB/T 6062 Geometrical Product Specifications(GPS) - Surface Texture: Profile Method - Nominal Characteristics of Contact (Stylus) Instruments
GB/T 6391 Rolling Bearings - Dynamic Load Ratings and Rating Life
GB/T 7021 Glossary of Terms for Centrifugal Pump
GB/T 7306.1 Pipe Threads with 55 Degree Thread Angle Where Pressure-tight Joints Are Made on the Threads - Part 1: Parallel Internal and Taper External Threads
GB/T 7307 Pipe Threads with 55 Degree Thread Angle where Pressure-tight Joints are Made on the Threads
GB/T 9113 Integral Steel Pipe Flanges
GB/T 9115 Steel Pipe Welding Neck Flanges
GB/T 9239.1 Mechanical Vibration - Balance Quality Requirements for Rotors in a Constant (Rigid) State - Part 1: Specification and Verification of Balance Tolerances
GB/T 15530 (all parts) Copper Alloy flanges
GB/T 17241 (all parts) Cast Iron Pipe Flanges
JB/T 8097 Methods of Measuring and Evaluating Vibration of Pumps
JB/T 8098 Methods of Measuring and Evaluating Noise of Pumps
ISO 4863 Resilient Shaft Couplings - Information to be Supplied by Users and Manufacturing
3 Terms and Definitions
For the purposes of this document, terms and definitions defined in GB/T 7021 and the following ones apply.
3.1
Normal conditions
Conditions at which usual operation is expected.
3.2
Rated conditions
Specified guarantee-point operating conditions, including flow, head, power, efficiency, net positive suction head (NPSH), suction pressure, temperature, density, viscosity and speed.
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Design
5 Materials
6 Shop Inspection and Tests
7 Preparation for Dispatch
8 Responsibility
Appendix A (Normative) Enquiry, Proposal, Purchase Order
Appendix B (Informative) Documentation after Purchase Order
Appendix C (Informative) Centrifugal Pump Data sheet
Appendix D (Informative) Peak Displacement
Appendix E (Informative) Material and Material Specification of Centrifugal Pump Parts
Appendix F (Informative) Identification Code of Fluid Pipe connection
Appendix G (Informative) External Forces and External Torques Acting on Branches
Appendix H (Informative) Seal Configuration Sample
Appendix I (Informative) System Configuration for Seal Pipe
Appendix J (Informative) Check-list
Bibliography
