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Standard STN EN 331 1.1.2017 preview

STN EN 331 (134120)

Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings

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STANDARD published on 1.1.2017


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The information about the standard:

Designation standards: STN EN 331
Classification mark: 134120
Catalog number: 123990
Publication date standards: 1.1.2017
SKU: NS-672627
Approximate weight : 48 g (0.11 lbs)
Country: Slovak technical standard
Category: Technical standards STN

We recommend simillar standard:!

ČSN EN 331 (01.08.1999)

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Ball and plug valves

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