Standard No.:	GB/T 25411-2010
English Name:	IB single-stage centrifugal pumps
Chinese Name:	IB型单级离心泵
Chinese Classification:	B91    Farming machinery and tools
Professional Classification:	GB    National Standard
ICS Classification:	65.060.35 65.060.35    Irrigation and drainage equipment 65.060.35
Source Content Issued by:	AQSIQ;SAC
Issued on:	2010-11-10
Implemented on:	2011-3-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	7000 words
Translation Price(USD):	170.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the structural types, models, basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of IB single-stage centrifugal pumps. This standard is applicable to IB single-stage centrifugal pumps (hereinafter referred to as pumps) for conveying liquid with temperature less than or equal to 80℃. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard, however parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB/T 191 Packaging - Pictorial marking for handling of goods (GB/T 191-2008, ISO 780: 1997, MOD) GB/T 276 Rolling bearings - Deep groove ball bearings - Boundary dimensions GB/T 699 Quality carbon structure steels GB/T 1220 Stainless steel bar GB/T 2828.1-2003 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (ISO 2859-1:1999, IDT) GB/T 3077 Alloy structure steels GB/T 3216-2005 Rotodynamic pumps - Hydraulic performance acceptance tests - Grades 1 and 2 (ISO 9906:1999, MOD) GB 5084 Standards for irrigation water quality GB/T 5660 End-suction centrifugal pumps - Baseplate and installation dimensions GB/T 5661 End-suction centrifugal pumps - Dimensions of cavities for mechanical seals and for soft packing (GB/T 5661-2004, ISO 3069:2000, MOD) 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 9239.1-2006, ISO 1940-1:2003, IDT) GB 10395.8 Tractors and machinery for agriculture and forestry - Technical means for ensuring safety - Part 8: Irrigation pumps and machines GB 10396 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment - Safety signs and hazard pictorials - General principles (GB 10396-2006, ISO 11684:1995, MOD) GB/T 13006 NPSH for centrifugal, mixed flow and axial flow pumps GB/T 13007 Centrifugal pump - Efficiency GB/T 13306 Plates GB/T 13384 General specifications for packing of mechanical and electrical product GB/T 17241.6 Integral cast iron flanges JB/T 5673 Agriculture and forestry tractors and machinery - General requirements of painting JB/T 6880.1 Grey iron castings for pumps JB/T 6880.2 Steel castings for pumps JB/T 6880.3 Castings for pumps - Part 3: Erosive wear-resistant white iron castings of pumps JB/T 8097-1999 Methods of measuring and evaluating vibration of pumps JB/T 8098-1999 Methods of measuring and evaluating noise of pumps JB/T 50080 Submersible motor-pumps - Reliability evaluation methods 3 Types, models and basic parameters 3.1 Types 3.1.1 The pumps are classified into end-suction, single-stage and horizontal pumps based on structural types. The water outlet is vertically upward and passes through the center line, and the supporting pump foot and the pump body are casted into an integral (see Figure 1).

Foreword i 1 Scope 2 Normative references 3 Types, models and basic parameters 4 Technical requirements 5 Test methods 6 Inspection rules 7 Marking, packaging, transportation and storage