Scope
This standard specifies the terms and definitions, types, models, basic parameters, technical requirements, test methods, inspection rules, markings, packaging, transportation, and storage of submersible screw pumps (hereinafter referred to as pumps) This standard is applicable to submersible screw pumps The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document
GB/T 191 Packaging, Storage and Transportation Pictorial Symbols
GB 755 Rotating Electrical Machines - Rating and Performance
GB 1971 Rotating Electrical Machines - Line End Marking and Direction of Rotation
GB/T2828.1 Sampling and Inspection Procedures by Attributes - Part 1: Acceptance Quality Limit (AQL) Retrieved batch by batch inspection sampling plan
GB/T3216-2005 Hydraulic performance acceptance tests for rotary power pumps - Level 1 and Level 2
GB/T 4942.1 Protection level for the overall structure of rotary motors (IP code) -Classification
GB/T 5013.4 Rubber insulated flexible cables with rated voltages up to and including 450/750V - Part 4: Flexible wires and cables
GB/T 8162 Seamless steel pipes for structural purposes
GB 10395.8 Agricultural and forestry tractors and machinery - Safety technical requirements - Part 8: Drainage and irrigation pumps and pump units
GB 10396 Agricultural and forestry tractors and machinery - Safety signs and hazard graphics for lawn and horticultural power machinery - General
GB/T 12785-2002 diving Test Methods for Electric Pumps
GB/T 13306 Label
JB/T 4297 Technical Conditions for Painting Pump Products
JB/T6880.1 Pump Grey Iron Castings
JB/T6880.2 Pump Steel Castings
JB/T 6880.3 Pump Wear Resistant White Iron Castings
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China