This Part of GB/T 308 specifies the size, technical requirements, marking, measurements, inspection method, inspection regulation, packaging, and storage of finished steel-balls used with rolling bearings.
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This Standard specifies the classification, general requirements, technical requirements, test methods, inspection rules, marks, packaging, transportation and storage for polyurethane waterproof coating (hereinafter referred to as PU waterproof coating). This Standard is applicable to polyurethane waterproof coating used for engineering waterproof.
This standard specifies the technical requirements and test methods of the annealed, quenched and tempered rolling bearing ring and rolling element made from GCr15, GCr15SiMn, GCr15SiMo and GCr18Mo steels which meet those specified in GB/T 18254-2002.
JBT 8816-1998 specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality guarantee period, etc. of engineering machinery drive axle. This Standard applies to general drive axle and steering drive axle of wheel type construction machinery (steering knuckle and bearing parts excluded).
This Standard specifies the category and designation, dimensions and tolerances, technical requirements, hydrostatic test, inspection mark and package of the class-designated steel flanged fittings. This Standard is applicable to the steel flanged fittings with the nominal pressures of Class 150 and Class 300.
This standard specifies dimension, shape, mass and requirements of hot-rolled wire rods, unless otherwise specified in product standard, they shall meet requirements of corresponding product standards.
This Standard specifies general technical delivery requirements for steel and steel products contained in GB/T 15574 (excluding steel and powder metallurgy products). When the provisions of product?s standard or agreement in the contract are inconsistent with the provisions of this Standard, the provisions of product?s standard or agreement in the contract shall prevail.
This part of NB/T 47019 specifies such purchase technical specifications as the tube size, shape, mass, technical requirements, inspection and test rules, quality certificates, and so on, AND defines the duties, rights and obligations of the relevant parties.
This Standard specifies the terms and definitions, strength grade, code mark, dimensions, shape, weight and permissible tolerances, technical specifications, test methods, inspection rules, package, mark and quality certificate of screw-thread steel bars for the prestressing of concrete also referred to as fine rolling screw-thread steel bar.
In order to standardize the design of electrical instillations in explosive atmosphere, make electrical installations in explosive atmosphere follow the policies of prevention first, guarantee the personal and property safety and take preventive measures according to circumstances, this Code is hereby developed.
This Standard specifies the calculation and measurement method of rated power of electric locomotives and electric multiple units. This Standard is applicable to the calculation and measurement of electric locomotives and electric multiple units..
This part of GB 16916 specifies the terms and definitions, technical requirements and tests of various types of RCCB. This part is applicable to the residual current operated circuit-breakers without integral overcurrent protection for household and similar uses for which the AC rated frequency is 50 Hz, 60 Hz or 50/60 Hz, the rated voltage does not exceed 440 V, the rated current does not exceed 125 A, AND the action function is independent of the power supply voltage or dependent of the power supply voltage (hereinafter referred to as RCCB).
This Regulation applies to the stereotyped identification (or prototype test), initial verification, subsequent verification and in-service inspection of the pressure (including positive and negative gauge pressures, differential pressure and absolute pressure) transmitter.
This Standard specifies the type, basic parameters, dimensions and tolerances, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of YBS series flameproof three phases asynchronous motor for conveyer.
This Standard specifies the requirements for single-use filter for anaesthesia. This Part is applicable to single-use filter for anaesthesia that is used together with single-use puncture needle for anesthesia.
s standard specifies the type, dimension, technical requirements, labeling and marking of the spiral wound gaskets for steel pipe flanges (PN designated). This standard is applicable to the spiral wound gaskets for steel pipe flanges specified in HG/T 20592 whose nominal pressure is PN16-PN160.
This standard specifies the general rules for selection of the steel pipe flange, gaskets and bolting (PN designated). This standard is applicable to the steel pipe flange, gaskets and bolting which are specified in the HG/T 20592 - HG/T 20613.
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