Gas cylinders. Taper screw thread for valve stem and cylinder neck assembly. Nominal diameter 26 - Taper 1/16 (3 degrees 34'), 14 TPI NPT. Gauge requirements.

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Main informations

Collections

National standards and national normative documents

Publication date

August 1981

Number of pages

3 p.

Reference

NF E29-685

ICS Codes

23.020.35 Gas cylinders

Classification index

E29-685

Print number

1 - 01/08/1981

Standard replaced by (1)

FD E29-685

March 2013

Published document Current

Gas cylinders - Taper screw thread for valve stem and cylinder neck assembly . Nominal diameter : 26 mm - Taper angle : 3° 34 min . Taper: 1/16 . Pitch (NPT): 1,814 mm - Verification requirements

Le présent document fixe les dimensions des calibres "fabrication" et "rapporteur" destinés à la vérification des cônes d'assemblage des robinets définis dans le fascicule de documentation E 29-684.

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