NF E29-679-1981 Gas cylinders Taper screw thread for valve stem and cylinder neck assembly Nominal diameter 16 4 - Taper 3 20 14 TPI SI Gauge requirements 《气瓶 气瓶阀门颈装配锥螺纹 公称直径16 4 锥.pdf

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NF E29-679-1981 Gas cylinders Taper screw thread for valve stem and cylinder neck assembly Nominal diameter 16 4 - Taper 3 20 14 TPI SI Gauge requirements 《气瓶 气瓶阀门颈装配锥螺纹 公称直径16 4 锥.pdf_第1页
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NF E29-679-1981 Gas cylinders Taper screw thread for valve stem and cylinder neck assembly Nominal diameter 16 4 - Taper 3 20 14 TPI SI Gauge requirements 《气瓶 气瓶阀门颈装配锥螺纹 公称直径16 4 锥.pdf_第2页
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1、STD-AFNOR NF BOUTEILLES A GAZ CONES DASSEMBLAGE DES ROBINETS Diamtre nominal : 16.4 - Cnes 8O40 Spcifications de contrle Conicit 3/20 - Pas 1,814 SI E 27-b77-FREN 1981 1012372 Obb3125 527 = E 29-679 Aot 1981 FASCICULE DE DOCU M E NTATI O N Dimensions en millimetres 1 OBJET ET DOMAINE DAPPLICATION Le

2、 prsent fascicule de documentation fixe les dimensions des calibres cc fabrication et a rapporteur destins la vrification des cnes dassemblage des robinets dfinis dans le fascicule de documentation E 29-678. z REFERENCES NF E 29-671 E 29-678 Bouteilles gaz - Cnes dassemblage des robinets - Gnralits

3、Bouteilles gaz - Cnes filetes dassemblage des robinets - Diamtre nominal 16,4 - Conicit 3/20 - Pas 1,814 SI. 3 MATIRE Voir paragraphe 6.4 de la norme NF E 29-671 4 PROFIL DES CALIBRES FILETES 4.1 Conicit : 3/20. 4.2 4.3 4.4 Angle du cne : 8O40. Profil du filetage : profil dangle au sommet 600 perpen

4、diculaire a la gnratrice du cne. Pas : 1,814 mm droite, mesur paralllement a la gnratrice du cne. df = jauge - Figure 1 - Profil du filet (C afnor 1981 Droits de reproduction et de traduction rservs pour tous pays afnor 81 296 E 29-679 ler tirage 81 -08 Gas cylinders - Taper screw thread for valve s

5、tem and cylinder neck assembly - Nominal diameter 16.4 - Taper 3/20 - 14 Tpi SI - Gauge requirements Gasflaschen - Gewinde fr Einschraubstutzen und Flaschenhals - NennmaB 16.4 - Kegel 3/20 - 14 Gang auf 1 “ SI - Kontrollanforderungen STD-AFNOR NF E 27-b77-FREN L78L LOI12372 Obb312b qb3 E 29-679 -2-

6、5 CALIBRES VERIFICATION 5.1 TAMPONS (Vrification des goulots de bouteilles) Tolrances gnrales : f 0.01 Figure 2 - Tampons lisses 15,902 17,472 18,542 11,?02 13,272 ext- 14,342 Figure 3 - Tampons filets Note : La maintenance des tampons est assure par le fabricant des calibres. 5.2 BAGUES (Vrificatio

7、n des queues de robinets) Figure 4 - Bagues lisses ext = 20,691 int = 14,451 Of =15,521 ID ext=i7,091 Figure 5 - Bagues filetes Note : Les bagues sont vrifies avec les tampons rapporteur x- Les dimensions non cotes sont laisses linitiative du fabricant des calibres. STD-AFNOR NF E 27-b77-FREN 1781 1012372 Obb3127 3TT m -3- E 29-679 6 TAMPONS e RAPPORTEUR Contrle des bagues u Verification ”. Tolrances gnrales : k 0,Ol Figure 6 - Tampon lisse Figure 7 - Tampon filet 7 MARQUAGE DES CALIBRES Voir paragraphe 6.5 de la norme NF E 29-671

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