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JC/T 932-2013: Drainage fittings for sanitary wares---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/JCT932-2013Construction Material Industry Standard of the People’s Republic of China ICS 90.140.70 Q 31 Record No.. 40958-2013 Replacing JC/T 932-2003 Drainage fittings for sanitary wares Issued on. APRIL 25, 2013 Implemented on. SEPTEMBER 1, 2013 Issued by. Ministry of Industry and Information Technology of the People's Republic of China Table of Contents1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 6 4 Materials... 7 5 Technical requirements... 7 6 Test methods... 10 7 Inspection rules... 15 8 Marking, packaging, transportation and storage... 18 Annex A (Normative) Connection dimensions of waste fitting... 19 Annex B (Normative) Dimensions of flow test etalon of waste fitting... 231 ScopeThis standard specifies the terms and definitions, materials, technical requirements, inspection methods, inspection rules, marking, packaging, transportation and storage of drainage fittings for sanitary wares (hereinafter referred to as “waste fitting”). This standard is applicable to the waste fitting products such as wash basin, washing-tank, bath-tub, bidet, shower room and urinal, which are connected to gravity drainage pipe.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/T 197-2003 General purpose metric screw threads—Tolerances GB/T 1176 Specification for cast copper alloys GB/T 1527 Drawn tube of copper and copper alloys GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1. Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 6461-2002 Methods for Corrosion Testing of Metallic and Other Inorganic Coatings on Metallic Substrates - Rating of Test Specimens and Manufactured Articles Subjected to Corrosion Tests3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply. 3.1 waste fitting the device between sanitary ware and building drainage pipe in the drainage system, and used for control and transport waste water from the bottom of sanitary ware to drainage pipes of building. Waste fitting is composed of drainage elbow, connection and sealing parts. 3.2 trap the device between the main part of waste fitting and drainage pipe of building, used for drainage and preventing from smell return. 3.3 overflow the device assisting drainage of excessive water when the water level exceeds the critical water level of the device matching the waste fitting.4 Materials4.1 The materials of casting copper parts shall meet the requirements of GB 1176.It may also be made of other copper materials that guarantee the technical requirements. 4.2 The copper pipe shall meet the requirements of GB/T 1527. 4.3 The plastic materials shall meet the requirements of GB 12670, GB 12671 and GB 12672.5 Technical requirements5.1 Requirements for connection dimension The dimension of connection of waste fitting shall meet the requirements of Annex A. 5.2 Processing and assembling 5.2.1 The exterior surface of metal parts of product shall be free from defects such as sand hole, shrinkage cavity, crack and air hole. 5.3 Appearance 5.3.1 The cuspidal edge, flash and burr of the exterior surface of product shall be cleared off. 5.3.2 The polished external surface texture shall be consistent in direction, harmonious and free from curly grain. 5.3.3 The visible plated-surface shall be uniform, and free from phenomenon such as peeling, exfoliation, foaming and un-plated. 5.3.4 After the waste fitting is subjected to acetic acid-salt spray test for 24h according to 6.3.4; the visible plating-layer under the installation and use state and the invisible plating-layer shall not be lower than the requirements for Grade 9 and Grade 6 of appearance rating (RA) in Table 1 of GB/T 6461-2002 respectively. 5.4 Requirements for wall thickness of waste fitting pipe 5.4.2 Part of plastic pipe The wall thickness of plastic pipe and pipe fitting shall not be less than 1.57mm. 5.5 Trap seal Trap seal of waste fitting with trap shall not be less than 50 mm. 5.6 Stability of water sealing Test the waste fitting with trap according to the method in 6.6 and the trap seal after test shall not be less than 50 mm. 5.7 Performance requirements 5.7.1 Sealing performance 5.7.2 Flow performance Conduct test according to the method in 6.7.2; the flow performance of waste fitting shall not be lower than the requirements of Table 1. 5.7.3 Overflow performance 5.7.3.1 Test is conducted according to the method in according to 6.7.3; the flow of waste fitting shall not be lower than the requirements of Table 2. 5.8 Bearing performance For test conducted according to the method in 6.8, the significant surface of waste fitting matching bath-tub and shower room shall be free from crack, and the deformation amount shall not be greater than 3%. 5.9 Service life After 10 000 cycles of service life test according to the method in 6.9, the product shall be free from significant defect, and convenient for disassembly, and free from the defects that affect the use function; after service life test, test is conducted according to 5.2.4.The change of test result shall not exceed ±20%, and shall meet the requirements of 5.7.1. 5.10.3 Dotty impact For test conducted according to the method in 6.10.3, the surface of waste fitting shall be free from significant damage.6 Test methods6.1 Test on requirements for connection dimension The test on dimension of connection of waste fitting shall be conducted with Vernier caliper with precision of 0.02 mm or test equipment with equivalent precision. 6.2 Test on processing and assembling test 6.2.5 The assembly test of waste fitting shall be conducted by hand-feeling. 6.3 Test on appearance 6.3.1 Inspect the appearance of product visually. 6.3.2 Visual inspection shall be carried out on the polished surface of product under natural scattered light or white light without reflected light. The illuminance is not lower than 300 lx. 6.3.3 Visual inspection shall be carried out on the plated-surface of product under natural scattered light or white light without reflected. The illuminance is not lower than 300 lx. 6.3.4 Acetic acid-salt spray test shall be conducted on plated-surface of waste fitting for 24h according to GB/T 10125-1997.The results are rated according to GB/T 6461-2002. 6.4 Test on requirements for wall thickness of waste fitting pipe The test on thickness shall be conducted with Vernier caliper with precision of 0.02 mm. 6.5 Test on trap seal Test on trap seal shall be conducted with water sealing ruler or straight-ruler. 6.6 Test on stability of water sealing 6.7.1.3 Install the tested waste fitting on the test device in Figure 2; shut down the drainage device; apply static water pressure of 150mm water column on the overflow port and maintain it for 5 min. 6.7.1.4 Install the tested waste fitting on the test device in Figure 2; turn on the drainage device, block the drainage port at the end; apply static water pressure of 500 mm water column at the water inlet of drainage device and maintain it for 5 min. 6.7.2 Test on flow performance Install tested sample on test device in Annex B.1; turn on the drainage device; the continuous water level of drainage fitting, that is used with matching parts such as wash basin, bidet, and washing-tank, is maintained at vertical height of 120+2 -2 mm compared to water inlet; the continuous water level of drainage fitting that is used with matching part bath-tub is maintained at vertical height of 150-2 -2 mm compared to the water inlet; after the water level is stabilized, record the flow rate.7 Inspection rules7.1 Inspection classification Product inspection is classified into exit-factory inspection and type inspection based on type. 7.2 Exit-factory inspection 7.2.1 It is carried out by manufacturer's quality inspection department; qualification certificate shall be signed before leaving the factory. 7.2.2 The items of exit-factory inspection include 5.1, 5.2, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.4, 5.5 and 5.7.1. 7.2.4 For exit-factory inspection, take the products of same-category, same-variety and same-model as a batch; the samples for exit-factory inspection are taken from the same batch. Sampling is carried out in accordance with the requirements of GB/T 2828.1-2003, with the general inspection level I, a normal inspection for single sampling plan. After the inspected items are inspected, if all the items are acceptable, then this batch of products shall be determined as acceptable; if one or more items are rejected, then this batch shall be determined as rejected. 7.3 Type inspection 7.3.1 Inspection items Type inspection items include all those (except 5.1) required in Clause 5. 7.3.4 Sampling and determination The samples of the type inspection are drawn from the submitted qualified batch. The unqualified quality level (RQL) is 50.The single sampling method of the determination level I in GB/T 2829-2002 is adopted. The sampling and determination are carried out according to those specified in Table 4.After the inspected items are inspected, if all the items are acceptable, then this batch of products shall be determined as acceptable; if one or more items are rejected, then this batch shall be determined as rejected.8 Marking, packaging, transportation and storage8.1 Marking A permanent trademark shall be arranged on the obvious location of product. 8.2 Packaging Product packaging shall indicate the product name, product model, trademark, manufacturer's name and address, and the standard number used. 8.3 Transportation Products shall be free from impact, squeeze, rain, moisture and chemical corrosion during transportation. 8.4 Storage The product shall be stored in a well-ventilated, dry room, and shall not be stored together with corrosive substances such as acid or alkali. JC/T 932-2013 Construction Material Industry Standard of the People’s Republic of China ICS 90.140.70 Q 31 Record No.. 40958-2013 Replacing JC/T 932-2003 Drainage fittings for sanitary wares Issued on. APRIL 25, 2013 Implemented on. SEPTEMBER 1, 2013 Issued by. Ministry of Industry and Information Technology of the People's Republic of ChinaTable of Contents1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 6 4 Materials... 7 5 Technical requirements... 7 6 Test methods... 10 7 Inspection rules... 15 8 Marking, packaging, transportation and storage... 18 Annex A (Normative) Connection dimensions of waste fitting... 19 Annex B (Normative) Dimensions of flow test etalon of waste fitting... 231 ScopeThis standard specifies the terms and definitions, materials, technical requirements, inspection methods, inspection rules, marking, packaging, transportation and storage of drainage fittings for sanitary wares (hereinafter referred to as “waste fitting”). This standard is applicable to the waste fitting products such as wash basin, washing-tank, bath-tub, bidet, shower room and urinal, which are connected to gravity drainage pipe.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/T 197-2003 General purpose metric screw threads—Tolerances GB/T 1176 Specification for cast copper alloys GB/T 1527 Drawn tube of copper and copper alloys GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1. Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 6461-2002 Methods for Corrosion Testing of Metallic and Other Inorganic Coatings on Metallic Substrates - Rating of Test Specimens and Manufactured Articles Subjected to Corrosion Tests3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply. 3.1 waste fitting the device between sanitary ware and building drainage pipe in the drainage system, and used for control and transport waste water from the bottom of sanitary ware to drainage pipes of building. Waste fitting is composed of drainage elbow, connection and sealing parts. 3.2 trap the device between the main part of waste fitting and drainage pipe of building, used for drainage and preventing from smell return. 3.3 overflow the device assisting drainage of excessive water when the water level exceeds the critical water level of the device matching the waste fitting.4 Materials4.1 The materials of casting copper parts shall meet the requirements of GB 1176.It may also be made of other copper materials that guarantee the technical requirements. 4.2 The copper pipe shall meet the requirements of GB/T 1527. 4.3 The plastic materials shall meet the requirements of GB 12670, GB 12671 and GB 12672.5 Technical requirements5.1 Requirements for connection dimension The dimension of connection of waste fitting shall meet the requirements of Annex A. 5.2 Processing and assembling 5.2.1 The exterior surface of metal parts of product shall be free from defects such as sand hole, shrinkage cavity, crack and air hole. 5.3 Appearance 5.3.1 The cuspidal edge, flash and burr of the exterior surface of product shall be cleared off. 5.3.2 The polished external surface texture shall be consistent in direction, harmonious and free from curly grain. 5.3.3 The visible plated-surface shall be uniform, and free from phenomenon such as peeling, exfoliation, foaming and un-plated. 5.3.4 After the waste fitting is subjected to acetic acid-salt spray test for 24h according to 6.3.4; the visible plating-layer under the installation and use state and the invisible plating-layer shall not be lower than the requirements for Grade 9 and Grade 6 of appearance rating (RA) in Table 1 of GB/T 6461-2002 respectively. 5.4 Requirements for wall thickness of waste fitting pipe 5.4.2 Part of plastic pipe The wall thickness of plastic pipe and pipe fitting shall not be less than 1.57mm. 5.5 Trap seal Trap seal of waste fitting with trap shall not be less than 50 mm. 5.6 Stability of water sealing Test the waste fitting with trap according to the method in 6.6 and the trap seal after test shall not be less than 50 mm. 5.7 Performance requirements 5.7.1 Sealing performance 5.7.2 Flow performance Conduct test according to the method in 6.7.2; the flow performance of waste fitting shall not be lower than the requirements of Table 1. 5.7.3 Overflow performance 5.7.3.1 Test is conducted according to the method in according to 6.7.3; the flow of waste fitting shall not be lower than the requirements of Table 2. 5.8 Bearing performance For test conducted according to the method in 6.8, the significant surface of waste fitting matching bath-tub and shower room shall be free from crack, and the deformation amount shall not be greater than 3%. 5.9 Service life After 10 000 cycles of service life test according to the method in 6.9, the product shall be free from significant defect, and convenient for disassembly, and free from the defects that affect the use function; after service life test, test is conducted according to 5.2.4.The change of test result shall not exceed ±20%, and shall meet the requirements of 5.7.1. 5.10.3 Dotty impact For test conducted according to the method in 6.10.3, the surface of waste fitting shall be free from significant damage.6 Test methods6.1 Test on requirements for connection dimension The test on dimension of connection of waste fitting shall be conducted with Vernier caliper with precision of 0.02 mm or test equipment with equivalent precision. 6.2 Test on processing and assembling test 6.2.5 The assembly test of waste fitting shall be conducted by hand-feeling. 6.3 Test on appearance 6.3.1 Inspect the appearance of product visually. 6.3.2 Visual inspection shall be carried out on the polished surface of product under natural scattered light or white light without reflected light. The illuminance is not lower than 300 lx. 6.3.3 Visual inspection shall be carried out on the plated-surface of product under natural scattered light or white light without reflected. The illuminance is not lower than 300 lx. 6.3.4 Acetic acid-salt spray test shall be conducted on plated-surface of waste fitting for 24h according to GB/T 10125-1997.The results are rated according to GB/T 6461-2002. 6.4 Test on requirements for wall thickness of waste fitting pipe The test on thickness shall be conducted with Vernier caliper with precision of 0.02 mm. 6.5 Test on trap seal Test on trap seal shall be conducted with water sealing ruler or straight-ruler. 6.6 Test on stability of water sealing 6.7.1.3 Install the tested waste fitting on the test device in Figure 2; shut down the drainage device; apply static water pressure of 150mm water column on the overflow port and maintain it for 5 min. 6.7.1.4 Install the tested waste fitting on the test device in Figure 2; turn on the drainage device, block the drainage port at the end; apply static water pressure of 500 mm water column at the water inlet of drainage device and maintain it for 5 min. 6.7.2 Test on flow performance Install tested sample on test device in Annex B.1; turn on the drainage device; the continuous water level of drainage fitting, that is used with matching parts such as wash basin, bidet, and washing-tank, is maintained at vertical height of 120+2 -2 mm compared to water inlet; the continuous water level of drainage fitting that is used with matching part bath-tub is maintained at vertical height of 150-2 -2 mm compared to the water inlet; after the water level is stabilized, record the flow rate.7 Inspection rules7.1 Inspection classification Product inspection is classified into exit-factory inspection and type inspection based on type. 7.2 Exit-factory inspection 7.2.1 It is carried out by manufacturer's quality inspection department; qualification certificate shall be signed before leaving the factory. 7.2.2 The items of exit-factory inspection include 5.1, 5.2, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.4, 5.5 and 5.7.1. 7.2.4 For exit-factory inspection, take the products of same-category, same-variety and same-model as a batch; the samples for exit-factory inspection are taken from the same batch. Sampling is carried out in accordance with the requirements of GB/T 2828.1-2003, with the general inspection level I, a normal inspection for single sampling plan. After the inspected items are inspected, if all the items are acceptable, then this batch of products shall be determined as acceptable; if one or more items are rejected, then this batch shall be determined as rejected. 7.3 Type inspection 7.3.1 Inspection items Type inspection items include all those (except 5.1) required in Clause 5. 7.3.4 Sampling and determination The samples of the type inspection are drawn from the submitted qualified batch. The unqualified quality level (RQL) is 50.The single sampling method of the determination level I in GB/T 2829-2002 is adopted. The sampling and determination are carried out according to those specified in Table 4.After the inspected items are inspected, if all the items are acceptable, then this batch of products shall be determined as acceptable; if one or more items are rejected, then this batch shall be determined as rejected.8 Marking, packaging, transportation and storage8.1 Marking A permanent trademark shall be arranged on the obvious location of product. 8.2 Packaging Product packaging shall indicate the product name, product model, trademark, manufacturer's name and address, and the standard number used. 8.3 Transportation Products shall be free from impact, squeeze, rain, moisture and chemical corrosion during transportation. 8.4 Storage The product shall be stored in a well-ventilated, dry room, and shall not be stored together with corrosive substances such as acid or alkali. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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