Tiêu chuẩn quốc tế
|
Số hiệu
Standard Number
EN 1643:2000
Năm ban hành 2000
Publication date
Tình trạng
A - Còn hiệu lực
Status |
|
Tên tiếng Anh
Title in English Valve proving systems for automatic shut-off valves for gas burners and gas appliances
|
|
Giá:
Price Liên hệ / Contact us
|
|
Phạm vi áp dụng
Scope of standard This standard specifies the safety, constructional, and performance requirements for valve proving systems, hereafter referred to as VPS, for gas burners and gas appliances. It applies to all types of VPS which are used for the automatic detection of leakage in a gas burner section having at least 2 valves designed to EN 161 and which give a signal if the leakage of one of the valves exceeds the detection limit. This standard does not apply to VPS for use in explosive atmospheres.
|