NY/T 646-2002Quality appraising standard for screw conveyer (English PDF)
螺旋输送机质量评价规范
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Issued by
Ministry of Agriculture of PRC
Level / Type
National · Recommended
Issue date
December 30, 2002
Implementation date
March 1, 2003
Scope
NY/T 646-2002 is the English-translated version of 螺旋输送机质量评价规范.
NY/T 646-2002 — This standard specifies the product quality indicators, test methods and inspection rules for screw conveyors.
This standard applies to horizontal, inclined and vertical continuous and uniform transport of grain, seeds, loose materials and granular materials, etc. Product quality evaluation, test identification and product quality supervision and inspection of screw conveyor.
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Document preview — NY/T 646-2002
National Standard of the People's Republic of China
- ICS
- 65.060
- Classification
- B 91
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the screw conveyor product quality indicators, test methods and inspection rules. This standard applies to horizontal, inclined and vertical continuous and uniform delivery of food, seeds, loose materials and granular materials and other mobile and stationary conveyor product quality evaluation, test evaluation, and product quality supervision inspection.
Document data
International classification (ICS): 65.060.
Chinese classification (CCS): B91.
Estimated length of the Chinese original: 9,961 words.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 3768-1996Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Survey method using an enveloping measurement surface over a reflecting plane
- GB/T 8170-1987Rules of rounding off for numerical values & expression and judgement of limiting values
- GB 10395.1-2001Agricultural machinery - Safety - Part 1: General requirements
- GB 10396-1999Tractors, machinery for agriculture and forestry, powered lawn and garden equipment -- Safety signs and hazard pictorials -- General principles
- JB/T 5673-1991Tractors and machinery for agriculture and forestry - Painting - General technical requirements
- JB/T 7679-1995Screw conveyors
GB/T 985 · GB/T 2828-1987 · GB/T 4064 · GB 9969.1-1998
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