香港六合彩开奖 23551-4:2018

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笔耻产濒颈茅别 (Edition 2, 2018)

Cette publication a 茅t茅 r茅vis茅e et confirm茅e pour la derni猫re fois en 2023. Cette 茅dition reste donc d鈥檃ctualit茅.

香港六合彩开奖 23551-4:2018

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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

脡tat actuel
: 笔耻产濒颈茅别

Date de publication
: 2018-04

Stade
: Norme internationale confirm茅e [90.93]
Edition
: 2
颁辞尘颈迟茅 technique :
香港六合彩开奖/TC 161

ICS :
27.060.20
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