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BS 7461:1991
Specification for electrically operated automatic gas shut-off valves fitted with throughput adjusters, proof of closure switches, closed position indicator switches or gas flow control
10 стр.
Действует
Печатное изданиеПечатная копия
166.32 £ (включая НДС 20%)
Разработчик:
Зарубежные/BSI
ICS:
23.060.20 Ball and plug valves / Шаровые и пробковые клапаны
Ключевые слова:
Endurance testing|Valve components|Control devices|Life (durability)|Flow rates|Gas valves|Adjustment|Position switches|Electrically-operated devices|Leak tests|Adjusting devices|Performance testing|Automatic|Valves|Mechanical testing