Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
EN 148-3:1999
Năm ban hành 1999
Publication date
Tình trạng
A - Còn hiệu lực
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Tên tiếng Anh
Title in English Respiratory protective devices Threads for facepieces Part 3: Tread connection M 45 x 3
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Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard This European Standard is applicable to self-contained compressed air breathing apparatus designed as positive pressure breathing apparatus. This European Standard specifies a thread connection, M 45 x 3, which may optionally be used for facepieces for positive pressure breathing apparatus. This European Standard does not apply to negative pressure breathing apparatus, to closed-circuit breathing apparatus or to diving equipment.
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