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GB/T 26115-2025Centrifugal pulp pumps (English PDF)

离心式纸浆泵

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 31, 2025

Implementation date

February 1, 2026

Scope

GB/T 26115-2025 is the English-translated version of 离心式纸浆泵.

GB/T 26115-2025 is the Chinese standard "Centrifugal pulp pumps". Its scope clause reads: This document specifies the types, models, and basic parameters of centrifugal pulp pumps, as well as their design and materials, inspection rules, marking, packaging, and transportation.

Storage, and the corresponding experimental methods are described. This document applies to centrifugal pulp pumps used in paper or pulping industrial processes for conveying pulp media.

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Document preview — GB/T 26115-2025

National Standard of the People's Republic of China

ICS: 23.080
Classification: J 71
Replacing: GB/T 26115-2010

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Types, Models, and Basic Parameters
5 Design
5.1 General Rules
5.2 Electric Motor
5.3 Critical Speed, Balance, and Vibration
5.4 Pressure-bearing components
5.5 Impeller
5.6 Sealing ring or equivalent component
5.7 Operating clearance
5.8 Shafts and bushings
5.9 Bearings, Bearing Housings, and Lubrication
5.10 Shaft Seal
5.11 Couplings and Coupling Covers
5.12 Base
5.13 Installation of External Piping System
5.14 Special Tools
6 Materials
6.1 Material Selection
6.2 Material Composition and Quality
6.3 Repair
7.Test Methods 9.
7.1 Hydraulic performance test of the pump
7.2 Vibration and noise tests
7.3 Static and Dynamic Balance Test
7.4 Hydrostatic Test
8 Inspection Rule
8.1 General Provisions
8.2 Factory inspection
8.3 Type Testing
8.4 Hydraulic performance
9.Marking, Packaging, Transportation and Storage 10.
9.1 Mark
9.2 Packaging and Transportation
9.3 Storage
Appendix A (Informative) Pump Models and Basic Parameters
Appendix B (Informative). Request for Quotation, Tender, Purchase Order
Appendix C (Informative) Documents provided after ordering.
Appendix D (Informative) Data Table
Appendix E (Normative) Calculation of Friction Loss and Pump Performance for Conveying Suspended Slurry
Appendix F (Informative) Selection of Pump Materials
References

1 Scope

This document specifies the types, models, and basic parameters of centrifugal pulp pumps, as well as their design and materials, inspection rules, marking, packaging, and transportation.

Storage, and the corresponding experimental methods are described.

This document applies to centrifugal pulp pumps used in paper or pulping industrial processes for conveying pulp media.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 191 Pictorial Symbols for Packaging and Storage

GB/T 2100 General purpose corrosion-resistant steel castings

GB/T 2828.1 Sampling Procedures for Inspection by Attributes - Part 1.Sampling Schemes Retrieved by Acceptable Quality Limit (AQL) for Lot-by-Lot Inspection

GB/T 3215 Centrifugal pumps for petroleum, petrochemical and natural gas industries

GB/T 3216-2016 Acceptance Tests of Hydraulic Performance of Rotary Power Pumps (Levels 1, 2 and 3)

GB/T 4687 Paper, Paperboard, Pulp and Related Terminology

GB/T 5014 Flexible Pin Couplings

GB/T 5656 Technical conditions for centrifugal pumps (Class II)

GB/T 5661 Cavity dimensions for mechanical seals and soft packing for axial suction centrifugal pumps

GB/T 5662 Axial Suction Centrifugal Pump (1.6MPa) Marking, Performance and Dimensions

GB/T 5843 Flange Couplings

GB/T 7021 Centrifugal Pump Terminology

GB/T 9124.1 Steel pipe flanges - Part 1.PN series

GB/T 9239.1-2006 Mechanical Vibration Constant-State (Rigid) Rotor Balancing Quality Requirements Part 1.Specifications and Balancing Tolerances test

GB/T 13384 General Technical Requirements for Packaging of Mechanical and Electrical Products

GB/T 17241.1 Cast iron pipe flanges - Part 1.PN series

GB/T 29529-2013 Methods for measuring and evaluating the noise of pumps

GB/T 29531-2013 Vibration Measurement and Evaluation Methods for Pumps

GB/T 33634 Safety requirements for liquid pumps - Static pressure test

GB/T 33925.1 General terms, definitions, quantities, characters and units for liquid pumps and their apparatus - Part 1.Liquid pumps

GB/T 33925.2 General terms, definitions, quantities, characters and units for liquid pumps and their apparatus - Part 2.Pump systems

JB/T 6880.1 Gray cast iron parts for pumps

JB/T 6880.2 Pump castings - Part 2.Cast steel parts for pumps

JB/T 9147 Diaphragm Couplings

GB/T 13929 | JB/T 13977 | GB/T 7782 | GB/T 26117 | GB/T 26116 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 39 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

Editions of GB/T 26115

Edition	Title	Revision	Status
GB/T 26115-2025	Centrifugal pulp pumps	current edition	Current
GB/T 26115-2010	Centrifugal pulp pump	previous edition	In force

This page sells the current edition, GB/T 26115-2025. Earlier editions are listed for reference only.

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