This standard specifies the connection type and size of the outlet of various gas cylinder valves, the connection type, thread specifications and dimensions of the charging joints. This standard applies to the cylinder valves configured on various permanent gas, liquefied gas and dissolved gas cylinders with a volume not exceeding 1000L. This standard does not apply to the cylinder valves used on special gas cylinders for other purposes. GB 15383-1994 Gas cylinder valve outlet connection type and size GB15383-1994 standard download decompression password: www.bzxz.net
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National Standard of the People's Republic of China Outlet connections and sizes for cylinder valves 1 Subject content and scope of application GB15383-94 This standard specifies the connection types and sizes of the outlets of various gas cylinder valves, the connection types, thread specifications and sizes of the charging joints. This standard applies to the cylinder valves configured on various permanent gas, liquefied gas and dissolved gas cylinders with a volume not exceeding 1000L. This standard does not apply to cylinder valves used on special gas cylinders for other purposes. 2 Reference standards GB197 Ordinary thread tolerances and fits (diameter 1~355mm)GB7307 Pipe threads for non-threaded seals GB7512 Liquefied petroleum gas cylinder valves GB10877 Oxygen cylinder valves GB10879 Dissolved acetylene cylinder valves Argon cylinder valves GB13438 GB13439 Liquid fluorine cylinder valves 3 Connection types and sizes of outlets of various gas cylinder valves 3.1 The outlets of non-flammable and non-toxic gas cylinder valves shall comply with the provisions of Table 1. Approved by the State Bureau of Technical Supervision on December 26, 1994, and implemented on August 1, 1995 Gas name Difluorobromomethane (F-12B,) CF2CIBr Fluorofluoromethane (F-22) Hexafluoroethane (F-116) Trifluorofluoromethane (F-13) Sulphur fluoride Connecting screw Thread specifications GB15383-94 W21.8-14$13 3.2=The gas outlet of the carbon dioxide gas cylinder valve shall comply with the provisions of Table 2. 14 Connecting screw Gas name Carbon dioxide Thread specification GB15383-94 3.3 The gas outlet of the cylinder valve of non-flammable, non-toxic and thermally stable gas (except carbon dioxide) shall comply with the provisions of Table 3 and Table 4. Table 3 Connecting screw No. Gas name Gas name Thread specification Connecting screw Thread specification GB15383--94 3.4 The gas outlet of the cylinder valve of non-flammable, toxic, corrosive or corrosive gas containing water shall comply with the provisions of Table 5. Table 5 Connecting screw Gas name Boron trifluoride Sulfur dioxide Carbonyl difluoride (phosgene) Hydrogen bromide Hydrogen fluoride Hydrogen chloride Cyanogen fluoride Thread specification Note: 1\ is the British thread with a nominal diameter of 1\. 142 GB15383-94 3.5 The outlet of the air bottle valve shall comply with the provisions of Table 6 and Table 7. Table 6 Connecting screw Thread specification No. Gas name Note: ①G1/2.G3/4 is not recommended. ②“Symbols are recommended. Connecting screw No. Gas name Thread specification Same as No. 5 Note: Refer to GB10877 outlet connection type and size. Right GB 15383--94 3.6 The outlet of the flammable and non-toxic gas cylinder valve shall comply with the provisions of Table 8 and Table 9. Table 8 Connecting screw Gas name Ethane CH. Isobutane (CH,),CHCH3 Isobutylene 13(CH,),C-CH2 Methane CH Propane C.Hg Propene C,H . Natural gas Groove specification $281670°left Except liquefied petroleum gas, outer diameter scale Gas name T-alkaneCH EthaneC,H6 EthyleneC,H4 Isobutane (CH,),CHCH Isobutylene (CH;)2C-CH2 MethaneCH| |tt||Propane C.Hs Propene CH. 1-Butene CH,CH,CH-CH2 2-Butene CH,CH=CHCH, Ethyl chloride (ethyl chloride) CzH,Cl Liquefied petroleum gas (mixed) Connection screw Thread specification GB15383-94 α Rotation 16「70°left Except for liquefied oil and gas, the outer diameter scale The gas outlet of the flammable, toxic, corrosive (alkaline) or non-corrosive gas bottle valve shall be in accordance with the specifications in Table 10. 3.7 Gas name Trimethylamine (CH3),NH Trimethylamine (CH3),N Connecting screw Thread specification GB 15383--94 3.8 The outlet of the flammable, toxic, corrosive (acidic) or non-corrosive gas cylinder valve shall comply with the provisions of Table 11. Table 11 Connecting screw Gas name Arsine Carbon monoxide Carbon oxysulfide Cyanide NCCN Cyclopropane Hydrogen selenide Sulfide Hydrogen Methyl chloride Thread specification : $15 GB15383--94 3.9 The outlet of the self-igniting gas cylinder valve shall comply with the provisions of Table 12. Table 12 Gas name Phosphine Connection screw Thread specification 3.10 The outlet of the oxygen cylinder valve shall comply with the provisions of Table 6 and Table 7. 3. 11 The outlet of the nitrous oxide gas cylinder valve shall comply with the provisions of Table 13. Table 13 Connection screw Gas name Nitrous oxide Thread specification L. L GB1538394 3.12 The outlet of the oxidant, toxic and corrosive gas cylinder valve shall comply with the provisions of Table 14. Table 14 Connecting screw Gas name Chlorine Cl2 Chlorine trifluoride CIF, Nitrogen monoxide Nitrogen dioxide Thread specification $15 11 3.13 The gas outlet of the valve of the decomposable or polymerizable flammable gas cylinder shall comply with the provisions of Table 15. Table 15 Connecting screw Gas name Trifluorofluoroethylene Ethylene oxide (ethylene oxide) Hydrogen cyanide HCN 1,3-butadiene CH2=(CH)2 Vinyl bromide (vinyl bromide) Vinyl chloride C2H,C1 Vinyl fluoride C,H:F Vinyl methyl ether CH,OCh-CH, Thread specification $1611419 GB 15383—94 3.14 The gas outlet of acetylene gas cylinder valve shall comply with the provisions of Table 16. Table 16 Gas Name Acetylene C, H Connection Type 3.15 The outlet of the mixed gas bottle valve of oxidant, non-toxic gas and non-corrosive gas shall comply with the provisions of Table 17. Table 17 A=aB=6 Mixed Gas 4 Description Gas Name 50%N,0-50%02 Threaded Connection Direction 4.1 Several Aspects to Be Noted in Use a. The outlet size of the bottle valve of the gas not listed can be selected according to the gas characteristics. Figure GB15383-94bZxz.net For the recommended types and sizes of the sealing gaskets, charging joints and nuts used when filling gas, please refer to Appendix A (reference). When filling hydrogen, it is absolutely forbidden to use all other methods except threaded connection. 4.2 Manufacturing accuracy of connecting threads a. The manufacturing accuracy of connecting threads specified in this standard shall comply with the accuracy of Class B or higher specified in GB7307. b. The manufacturing accuracy of connecting threads that appear in this standard but are not in accordance with international regulations shall refer to the accuracy of Class 6H/6g specified in GB197 or Class B or higher specified in GB7307. For example, W21.8-14 shall refer to the accuracy of G5/8\ pipe threads. 150 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.