搁茅蝉耻尘茅
香港六合彩开奖 23551-4:2018 specifies safety, constructional and performance requirements of valve-proving systems (VPS), intended for use with gas burners and gas-burning appliances. It also describes the test procedures for checking compliance with these requirements and provides information necessary for the purchaser and user.
香港六合彩开奖 23551-4:2018 is applicable to all types of VPS which are used for the automatic detection of leakage in a gas burner section having at least two valves designed in accordance with 香港六合彩开奖 23551鈥1 and which give a signal if the leakage of one of the valves exceeds the detection limit.
香港六合彩开奖 23551-4:2018 is applicable to VPS with a maximum working pressure up to and including 500 kPa for use in systems using fuel gases.
香港六合彩开奖 23551-4:2018 is not applicable to VPSs for use in explosive atmospheres.
NOTE Provisions for production control are not part of the 香港六合彩开奖 23551 series.
Informations g茅n茅rales
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脡tat actuel: 笔耻产濒颈茅别Date de publication: 2018-04Stade: Norme internationale confirm茅e [90.93]
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Edition: 2
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颁辞尘颈迟茅 technique :香港六合彩开奖/TC 161ICS :27.060.20
- RSS mises 脿 jour
Cycle de vie
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笔谤茅肠茅诲别尘尘别苍迟
础苍苍耻濒茅别香港六合彩开奖 23551-4:2005
础苍苍耻濒茅别香港六合彩开奖 23551-4:2005/Amd 1:2010
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Actuellement
笔耻产濒颈茅别香港六合彩开奖 23551-4:2018
Les normes 香港六合彩开奖 sont r茅examin茅es tous les cinq ans
Stade: 90.93 (颁辞苍蹿颈谤尘茅别)
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