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Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 36386-2018: Specification of hygienic housing for microfiltration membrane elements Status: Valid
Basic dataStandard ID: GB/T 36386-2018 (GB/T36386-2018)Description (Translated English): Specification of hygienic housing for microfiltration membrane elements Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J77 Classification of International Standard: 23.100.60 Word Count Estimation: 42,460 Date of Issue: 2018-06-07 Date of Implementation: 2019-01-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 36386-2018: Specification of hygienic housing for microfiltration membrane elements---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Specification of hygienic housing for microfiltration membrane elements ICS 23.100.60 J77 National Standards of People's Republic of China Sanitary filter housing for microporous membrane filter skills requirement Published on.2018-06-07 2019-01-01 implementation State market supervision and administration China National Standardization Administration issued ContentForeword III 1 Scope 1 2 Normative references 1 3 Terms, definitions and abbreviations 2 3.1 Terms and Definitions 2 3.2 Abbreviations 4 4 General requirements 4 4.1 Compatibility with filter media 4 4.2 Biosafety 4 4.3 Steam sterilizability 4 4.4 Washability 4 4.5 Liquidity 4 4.6 Exhaustion 4 4.7 Surface finish 4 4.8 Surface cleanliness 5 4.9 Sealing 5 4.10 Traceability 5 5 Material Requirements 5 5.1 Body material and filler metal 5 5.2 Polymer Materials 7 6 Design Requirements 8 6.1 Design parameters 8 6.2 Shell Category Mark 8 6.3 Seal design 9 6.4 Part Design 11 7 Manufacturing requirements 22 7.1 Manufacturing Control Program 22 7.2 Forming and assembly 23 7.3 Welding 23 7.4 Post-weld heat treatment 25 7.5 Surface treatment 25 8 Inspection requirements 27 8.1 Nondestructive testing 27 8.2 Withstand voltage test 27 8.3 Air tightness test 27 9 Marking, cleaning, packaging, random file requirements 27 9.1 Mark 27 9.2 Cleaning 27 9.3 Packaging 27 9.4 Random File 28 Appendix A (informative) Stainless steel corrosion resistance test and evaluation method and material reliability identification method 29 Appendix B (Normative) Shell Category 31 Appendix C (informative) Sanitary take-over and joint reference standard 34 Appendix D (Normative) Non-hygienic connection example 36 Appendix E (Normative) Clamp Design Requirements 37 Reference 38ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Separation Membrane Standardization Technical Committee (SAC/TC382). This standard was drafted. Shanghai Yiming Filtration Technology Co., Ltd., Hangzhou Anno Filtration Equipment Co., Ltd., Tianjin Membrane Technology Co., Ltd. Ltd., Tianjin Polytechnic University, Tianjin Membrane Engineering Technology Co., Ltd. The main drafters of this standard. Wu Changfei, Zhang Junwei, Lin Weijian, Tang Xiaoshan, Wen Qiang, Fan Yunshuang, Zhao Ying, Hou Yuhui, Yang Yili. Sanitary filter housing for microporous membrane filter skills requirement1 ScopeThis standard specifies the materials, design, manufacture, inspection, and standard of sanitary filter housings (hereinafter referred to as "outer casings") for microporous membrane filters. Technical requirements for ambition, cleaning, packaging, and random documents. This standard applies to sanitary filter housings for stainless steel microporous membrane cartridges.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 150.3-2011 Pressure Vessels Part 3. Design GB/T 150.4-2011 Pressure vessels - Part 4. Manufacture, inspection and acceptance GB/T 983 stainless steel welding rod GB/T 1031 Product Geometric Specifications (GPS) Surface structure profiling surface roughness parameters and their values GB/T 1220 stainless steel rod GB/T 1954 chrome-nickel austenitic stainless steel weld ferrite content measurement method GB/T 3280 stainless steel cold rolled steel plate and strip GB/T 3452.1-2005 O-ring seals for hydraulics - Part 1 . Dimension series and tolerances (ISO 3601-1. 2002, MOD) GB/T 3452.2 O-ring seals for hydraulic and pneumatic applications - Part 2 GB/T 4237 stainless steel hot rolled steel sheet and strip GB/T 11170 Determination of multi-element content of stainless steels GB/T 11446.1-2013 electronic grade water GB/T 14976 stainless steel seamless pipe for fluid transportation GB/T 16886.11 Biological evaluation of medical devices - Part 11. Systemic toxicity test GB/T 17854 stainless steel welding wire and flux for submerged arc welding GB/T 20878-2007 Stainless steel and heat resistant steel grades and chemical composition GB/T 21833 Austenitic-ferritic duplex stainless steel seamless steel pipe GB/T 29713 stainless steel welding wire and welding tape JB/T 7901 metal material laboratory uniform corrosion full immersion test method NB/T 47010 Stainless steel and heat resistant steel forgings for pressure equipment NB/T 47013.8-2012 Non-destructive testing of pressure equipment - Part 8. Leak detection NB/T 47018.2 Specification for welding materials for pressure equipment - Part 2. Steel welding rod NB/T 47018.4 Specification for welding materials for pressure equipment - Part 4. Submerged arc welding steel wire and flux SJ20893 Stainless Steel Pickling and Passivation Specification Electrolytic polishing method for YB/T 4377 metal sample YB/T 5092 stainless steel wire for welding ISO 3601-1.2012 Hydraulic power system O-rings - Part 1. Internal diameter, section, tolerances and identification code (Fluidpowersys- tems-O-rings-Part 1. Insidediameters, cross-sections, tolerancesanddesignationcodes) People's Republic of China Pharmacopoeia.2015 Edition 3 Terms, definitions and abbreviations 3.1 Terms and definitions The following terms and definitions apply to this document. 3.1.1 Hygienic filter housing hygienicfilterhousing A container-like housing for mounting filter cartridges that meets clean and bio-safe requirements. Note. mainly by cylinder, head, barrel connection, filter seat, tie rod, pressure plate, filter medium inlet, filter medium outlet, pressure gauge interface, exhaust port, sewage Port, sampling port, temperature sensor interface, fasteners, legs and so on. 3.1.2 Host material hostmaterial Stainless steel material in direct contact with the filter media. 3.1.3 Filled metal filermetal In the welding process, participate in the general term for the formation of weld metal welding materials. Note. such as welding rod, welding wire, filler wire, flux, preset filler metal, metal powder, fuser, etc. are all filler metals. 3.1.4 Retention volume holdupvolume The volume of liquid remaining in the filter housing after the drain opening is opened. 3.1.5 Dead end deadspace An area that can retain fluid, cannot be drained, or cannot be cleaned. 3.1.6 Hygienic gasket hygienicgasket Flat annular gasket for sanitary joints. 3.1.7 O-ring O-ring An annular seal with a circular cross section. 3.1.8 Nondestructive testing Under the premise of not damaging the object to be inspected, physical or chemical means, with the aid of the corresponding equipment and equipment, in accordance with the prescribed technology To test and test the structure, properties or state of the interior and surface of the object, and analyze and evaluate the results. [NB/T 47013.1-2015, Definition 3.1] 3.1.9 Not welded through incompletepenetration The root of the joint is not completely penetrated during welding. For butt welds, it also refers to the phenomenon that the welding depth does not meet the design requirements. [NB/T 47013.1-2015, Definition 3.2] 3.1.10 Unfused lackoffusion The unbonded portion between the weld metal and the base metal or weld metal weld layers. Note. Unfused may be in one of the following forms. a) the side walls are not fused; b) the layers are not fused; c) The roots are not fused. 3.1.11 Slag slag Slag remaining in the weld metal. Note. Depending on the formation, these slag inclusions may be. a) linear; b) isolated; c) Clustered. 3.1.12 Burn through-burn During the welding process, the molten metal flows out of the perforations formed from the back of the groove. [NB/T 47013.1-2015, Definition 3.5] 3.1.13 Welded tumor overlap During the welding process, the molten metal flows to the metal tumor formed on the unmelted base metal or weld. [NB/T 47013.1-2015, definition 3.6] 3.1.14 Undercut An irregular gap in the base metal (or the previous deposited metal) due to welding at the weld toe. [NB/T 47013.1-2015, Definition 3.7] 3.1.15 Stomatal porosity When the molten metal solidifies, the gas therein does not escape and the formed void remains. [NB/T 47013.1-2015, definition 3.8] 3.1.16 Crack crack A gap created by a new interface formed by the destruction of the bond of metal atoms. [NB/T 47013.1-2015, definition 3.9] 3.1.17 Corrosion corrosion Physical-chemical interactions between metals and the environment (usually electrochemical properties), which result in changes in the properties of the metal and often The function of the technical system that leads to metals, the environment or by which they are part is compromised. [NB/T 47013.1-2015, Definition 3.10] 3.1.18 Shrinkage shrinkage Holes in the casting during the solidification process due to poor shrinkage. Very irregular shape, rough wall and dendritic crystals, often appearing The part where the casting is finally solidified. [NB/T 47013.1-2015, definition 3.11] 3.1.19 Loose loosen The inside of the casting or forging is defective in the distribution of fine pores. [NB/T 47013.1-2015, definition 3.12] 3.1.20 Inclusion inclusion Defects formed by mixing non-metallic slag or refractory materials in castings or forgings. [NB/T 47013.1-2015, definition 3.13] 3.2 Abbreviations The following abbreviations apply to this document. GMAW. gas metal arc welding (gasmetalarcwelding) GTAW. Tungsten inert gas shielded welding (gastungstenarcwelding) PAW. plasma welding (plasmarcwelding) PMI. Material Reliability Identification (positivematerialidentification) SAW. submerged arc welding (submergedarcwelding) SMAW. automatic protection metal arc welding (shieldedmetalarcwelding)4 General requirements4.1 Compatibility with filter media The main body material and filler metal of the outer casing should be able to withstand the corrosion of the filter medium at the use temperature, reach the design life, seal The material should maintain a reliable seal in the filter media and the polymer coating should not be easily peeled off. 4.2 Biosafety The extractor or leachate released from the main body material, filler metal, sealing material and polymer coating of the outer casing to the filter medium shall not be visible. The biosafety of the filter media. 4.3 Steam sterilizability All parts of the casing and sealing material should be able to withstand saturated steam not less than 130 ° C (gauge pressure not less than 0.165 MPa) online Sterilize. 4.4 Washability All parts of the enclosure should be clean. 4.5 Liquidity The casing must not have dead spots due to gaps or dents, and the filter media should be able to flow sufficiently in the casing. 4.6 Exhaustion The sewage outlet should be placed at the lowest point of the outer casing. After opening the sewage outlet valve, the filter medium in the outer casing should be able to be discharged by its own gravity. Out, reduce the retention volume, the surface residual liquid height of any part should be no more than 2mm. 4.7 Surface finish All surfaces of the parts in direct contact with the filter media should be finely polished or coated, resulting from sealing, nozzles, surface treatment, etc. Defects such as pits and gaps shall comply with the provisions of this standard; and threads shall be avoided. When threaded fasteners are required, the threads shall be used. The ring is isolated. 4.8 Surface cleanliness The inner and outer surfaces of the outer casing shall be free of impurities such as welding slag, polishing paste, oil stains, scale and dust. 4.9 Sealing The sealing surfaces of the outer casing, including the cylinder, the filter interface, the nozzle, etc., should have good sealing. 4.10 Traceability The manufacturer of the enclosure should have strict quality control procedures in place to ensure that the source of the material and its processing can be traced back to ensure the process The material will not be confused.5 Material requirements5.1 Body material and filler metal 5.1.1 Selection of main materials The main body material of the outer casing should be austenitic stainless steel or austenitic-ferritic (duplex) stainless steel in Table 1, the main body materials of each part Types and applicable standards should be in accordance with Table 2. Table 1 Grades of common body materials for the outer casing GB/T 20878-2007 serial number unified digital code new grade old grade metallographic organization type 17 S30408 06Cr19Ni10 0Cr18Ni9 Austenite 18 S30403 022Cr19Ni10 00Cr19Ni10 Austenite 38 S31608 06Cr17Ni12Mo2 0Cr17Ni12Mo2 Austenite 39 S31603 022Cr17Ni12Mo2 00Cr17Ni14Mo2 Austenite 50 S31703 022Cr19Ni13Mo3 00Cr19Ni13Mo3 austenite 71 S22053 022Cr23Ni5Mo3N - Austenite-ferrite Table 2 Shell component body material type and applicable standards Part name material type applicable standard Tie rods GB/T 1220 Cylinder, head, filter holder, plate steel or steel strip GB/T 3280, GB/T 4237 Pipe mouth tube GB/T 14976, GB/T 21833 Flange forgings NB/T 47010 5.1.2 Selection of filler metal 5.1.2.1 Grades of metal filling The filler metal grades corresponding to different host materials shall comply with the requirements of Table 3. Table 3 Filling metal grades corresponding to different host materials Body material Filled metal grades and applicable standards GB/T 983, NB/T 47018.2 GB/T 29713 GB/T 17854, YB/T 5092, NB/T 47018.4 SMAW welding rod GTAW/GMAW/PAW Welding wire and filler wire SAW Wire-flux S30408 E308-15 E308-16 E308-17 S308 S308L S308Si S308LSi F308-H06Cr21Ni10 F308L-H022Cr21Ni10 S30403 E308L-15 E308L-16 E308L-17 S308L S308LSi F308L-H022Cr21Ni10 S31608 E316-15 E316-16 E316-17 S316L S316LSi F316L-H022Cr19Ni12Mo2 S31603 E316L-15 E316L-16 E316L-17 S316L S316LSi F316L-H022Cr19Ni12Mo2 S31703 E317L-15 E317L-16 E317L-17 S317L - S22053 E2209 E2553 E2593 E2594 E2595 S2209 S2553 5.1.2.2 Ferrite content of filler metal The ferrite content in the filler metal can be determined by both the supplier and the buyer, and sealed according to the provisions of GB/T 1954. Ferrite content Increase or decrease should not affect the corrosion resistance of the outer casing. 5.1.3 Corrosion resistance of bulk materials and filler metals The corrosion resistance of the main body material and filler metal of the outer casing shall meet the following requirements. a) The body material and filler metal of the enclosure shall be resistant to pitting, crevice corrosion, stress corrosion and intergranular corrosion of the filter media, For the corrosion resistance test of stainless steel, see A.1 in Appendix A; b) Corrosion of the filter media to the material shall not affect the sealability of the filter element interface, the cleanability of the outer casing and the pressure resistance, due to stainless steel The release of substances caused by corrosion shall not affect the quality of the filter media; c) The general design life of the outer casing shall be not less than 10 years, unless the supply and demand sides confirm the reduction of the design service life; d) When the corrosion parameters of the filter medium to the material cannot be confirmed during design, the corrosion rate shall be measured according to the method specified in JB/T 7901; Or choose stainless steel with high pitting corrosion equivalent (NPRE) value. For the calculation of NPRE, see A.2. 5.1.4 Inspection of chemical composition of host materials and filler metals The manufacturer of the enclosure shall provide at least one of the following chemical composition test documents for the host material and filler metal. a) proof of source of material containing chemical composition analysis; b) re-examine the chemical composition of the material in accordance with the method specified in GB/T 11170; c) Material Reliability Identification (PMI), see A.3. 5.2 Polymer materials 5.2.1 Selection of polymer materials The outer casing sealing material should be coated with fluoropolymer with thermosetting rubber or thermosetting rubber without asbestos. The commonly used materials are shown in Table 4. outer The shell coating material should be a thermoplastic polymer without asbestos composition. The commonly used materials are shown in Table 5. Table 4 Common polymer sealing materials Chinese name English abbreviation recommended design temperature EPDM EPDM -29°C~ 149°C -29°C~ 191°C (steam) Ethylene propylene rubber EPR -29 ° C ~ 149 ° C Methyl vinyl silicone rubber VMQ -29 ° C ~ 232 ° C Fluororubber FKM -29°C~ 232°C Perfluoroelastomer FFKM -29°C~ 232°C Fluorofluorocarbon FEP FKM -29°C~ 204°C Fluorosilicone rubber FEP VMQ -29°C~ 204°C Table 5 Common thermoplastic polymer surface coating materials Category Chinese name English abbreviation Thermoplastic polyolefin Polypropylene PP Ultra low density polyethylene ULDPE Low density polyethylene LDPE High density polyethylene HDPE Ultra high molecular weight polyethylene UHMWPE Thermoplastic fluoropolymer Perfluoroethylene propylene copolymer FEP Perfluoroalkoxy polymer PFA PTFE PTFE Ethylene-tetrafluoroethylene copolymer ETFE Ethylene-chlorotrifluoroethylene copolymer ECTFE Polyvinylidene fluoride PVDF 5.2.2 Biosafety of polymeric materials The polymer material shall have no acute systemic toxicity according to GB/T 16886.11, and the extraction conditions are as follows. mass concentration is 9g/L The sodium chloride injection and the freshly refined vegetable oil were leached at 70 ° C ± 2 ° C for 24 h ± 2 h, and the ratio of the surface area of the sample to the extract was 6 cm 2 /mL ± 0.6 cm 2/mL. 5.2.3 Quality documentation for polymer materials At least the following quality documents should be provided for all polymer materials. a) raw material manufacturer, brand, batch number; b) additive components; c) finished product number, batch number; d) Date of manufacture.6 Design requirements6.1 Design parameters Both the supplier and the buyer should confirm the following design parameters when ordering. a) the enclosure category; b) filter media; c) design pressure or maximum allowable working pressure (if necessary); d) design temperature; e) the main material; f) component materials that are not in direct contact with the filter media; g) sealing material; h) surface treatment requirements; i) filter specifications (including filter diameter, length and interface) and quantity; j) take over the standard, size and purpose; k) pipe joint standards and specifications; l) Other information that needs to be confirmed. 6.2 Shell category marking The category mark of the outer casing is composed of the filter medium import and export arrangement code, the filter seat setting mode code and the filter quantity code. The meaning of the code is shown in Table 6. See Appendix B for a schematic of the different types of enclosures. Table 6 Shell category tag code meaning Project code meaning Filter medium import and export arrangement I filter medium inlet and outlet is up and down The inlet and outlet of the T filter medium are arranged in a left-right type, and the center line of the take-over is on the same level. L filter medium inlet is on the side of the upper cylinder, and the filter me......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 36386-2018_English be delivered?Answer: Upon your order, we will start to translate GB/T 36386-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 7 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 36386-2018_English with my colleagues?Answer: Yes. 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