HG/T 2051.2-2019 PDF EnglishUS$245.00 · In stock · Download in 9 seconds
HG/T 2051.2-2019: Glass-lined agitator gate type Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid HG/T 2051.2: Historical versions
Similar standardsHG/T 2051.2-2019: Glass-lined agitator gate type---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/HGT2051.2-2019G 94 HG Chemical Industry Standard of the People's Republic of China HG/T 2051.2-2019 Replace HG/T 2051.2-2013 Glass-lined agitator - Gate type Issue date:2019-12-24 Implementation date: 2020-07-01 Issued by Ministry of Industry and Information Technology of the People's Republic of China HG/T 2051.2-2019 ForewordSAC/TC 72 is in charge of this English translation. In case of any doubt about the contents of English translation, the Chinese original shall be considered authoritative. This standard is drafted in accordance with the rules given in the GB/T 1.1－2009. This standard replaces the HG/T 2051.2-2013 Glass-lined agitator gate type in whole. In addition to a number of editorial changes, the following technical deviations have been made with respect to the HG/T 2051.2-2013: ——Removed specifications for agitator of mixing vessel with 400L nominal capacity (see Table 1 of 2013 edition); ——The dimensions of blade in Table 1 of the original standard were revised from the original "t" to "t2 × t4", i.e., from the original "38, 48, 60, 86, 97" to "38× 20, 48 × 25, 60 × 30, 86 × 43, 97 × 50"( see Table 1, and Table 1 of 2013 edition); ——The dimensions of L4 in Table 2 of the original standard were revised from the original "80, 100, 110, 120” to "60, 90, 100, 110" (see Table 2, and Table 2 of 2013 edition); ——The dimensions of L3 in Table 3 of the original standard were revised from the original "20, 20” to "36, 36" (see Table 3, and Table 3 of 2013 edition); ——The dimensions of L33 in Table 3 of the original standard were revised from the original "34, 34” to "50, 50" (see Table 3, and Table 3 of 2013 edition); ——The dimensions of L3 in Table 4 of the original standard were revised from the original "18, 18” to "26, 30" (see Table 4, and Table 4 of 2013 edition); ——The dimensions of L33 in Table 4 of the original standard were revised from the original "32, 32” to "40, 44" (see Table 4, and Table 4 of 2013 edition); ——Deleted the structure type, main size and basic parameters of the BⅡ-type shaft end; ——The shaft end code "BⅠ-type" was revised to "B-type" (see 3.2,3.3, and Clause 3.2, 3.3 of 2013 edition); ——Added the structure type, main size and basic parameters of the D-type shaft end (see Figure 5, Table 5); ——Deleted Clause 4.4 "Welding seams shall not have obvious roughness or unevenness " and Clause 4.5 "Blades shall not have obvious processing imprint " in the original standard (see Clause 4.4 and Clause 4.5 of 2013 edition). This standard was proposed by China Petroleum and Chemical Industry Association. This standard was prepared by SAC/TC 72 National Technical Committee for Glass-lined Equipment Standardization . The previous editions of this standard are as follow(s): ──HG 5-278—1969,HG 5-278—1979,HG/T 2051.2－1991,HG/T 2051.2－2007 and HG/T 2051.2－2013. HG/T 2051.2-2019 Glass-lined agitator - Gate type1 ScopeThis standard specifies the type, basic parameters, main dimensions, requirements, packaging, transportation and storage of the glass-lined gate agitator. This standard is applicable to the gate agitator of the two pieces glass- lined steel vessel with agitator with a nominal volume of 50L-5000L, a design temperature of -20℃ - 200℃ and a nominal turning speed 50r/min - 80r/min.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 25025 Specification of glass-lined equipment for industry GB/T 25027 Two pieces glass-lined steel vessels with agitator HG/T 2052 Drive for glass-lined vessel with agitator 3 Type, Basic parameters and Main dimensions 3.1 See Figure 1 for gate type glass-lined agitator’s type and see Table 1 for its basic parameters and main dimensions. 3.2 Four types of the agitator shaft end are as follows: ——A-type shaft end is compatible with the TB-type agitator given in HG/T 2052 ——B-type shaft end is compatible with the DJ-type agitator given in HG/T 2052 ——C-type shaft end is compatible with the DZ- and SZ-type agitator given in HG/T 2052 ——D-type shaft end is compatible with the SJ-type agitator given in HG/T 2052 3.3 Connection type and dimensions of the agitator shaft end ——See Figure 2 for A-type shaft end connection, and see Table 2 for its dimensions ——See Figure 3 for B-type shaft end connection, and see Table 3 for its dimensions ——See Figure 4 for C-type shaft end connection, and see Table 4 for its dimensions ——See Figure 5 for D-type shaft end connection, and see Table 5 for its dimensions 3.4 A-type shaft end is applicable to two-pieces glass-lined mixing vessel with agitator (KR reactor) with a nominal volume of 50L - 4000L as specified in GB/T 25027 and B, C and D-type shaft ends are suitable for KR reactor with a nominal volume of 1 000L- 5 000L. When the linear velocity at the end of the agitator's blade exceeds 5m/s, B-, C- or D-type shaft ends should be preferred. HG/T 2051.2-2019 12 3.5 Marks and their examples: Take a gate type glass-lined agitator,that with A-type shaft end structure, dN 40mm agitator shaft nominal diameter and H 960mm length, that conforms to HG/T 2051.2, as an example, it marks as follows: Glass-lined agitator HG/T 2051.2—KA40—960 The meaning of each element in the mark is as follows: K ——Code of gate agitator(K)； A ——Type A shaft end structure； 40 ——Agitator with 40mm nominal diameter； 920——Agitator with 960mm length.4 Requirement4.1 Both enamels and steels for the glass-lined agitator shall comply with GB 25025. 4.2 The manufacture, inspection and acceptance of glass lined agitators shall comply with GB 25025, this standard and drawings. 4.3 The shaft end’s sealing section of the glass-lined agitator should be accurately machined after being enameled. 4.4 The shaft end of glass lined agitator should be treated against the rusting. 5 Packing, Transportation and Storage 5.1 Glass-lined agitator should be wrapped with soft materials and soundly fixed in wooden case. 5.2 Any collision should be avoided and the packing boxes should not be turned upside down when moving and transporting the glass-lined agitator. 5.3 Delivered glass-lined agitator shall be attached with the packing list, product qualification certificate and product instruction manual. 5.4 Glass-lined agitators should be stored indoors, and should not be stored or stacked in the open air. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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