البحث في المواصفات
Loading facets. please wait
(56)
(0)
(0)
(31)
(25)
(0)
(0)
(17)
(4)
(1)
(1)
(1)
(1)
(0)
(0)
(0)
(0)
جاري تصفية النتائج، الرجاء الانتظار...
ISO 23137-1:2024
مواصفة قياسية دولية
Requirements for aerosol filters used in nuclear facilities against specified severe conditions — Part 1: General requirements
ISO 29463-1:2024
مواصفة قياسية دولية
High efficiency filters and filter media for removing particles in air — Part 1: Classification, performance, testing and marking
ISO 23138:2024
مواصفة قياسية دولية
Biological equipment for treating air and other gases — General requirements
ISO 23742:2024
مواصفة قياسية دولية
Test method for the evaluation of permeability and filtration efficiency distribution of bag filter medium
ISO 16890-3:2024
مواصفة قياسية دولية
Air filters for general ventilation — Part 3: Determination of the gravimetric efficiency and the air flow resistance versus the mass of test dust captured
ISO 29464:2024
مواصفة قياسية دولية
Cleaning of air and other gases — Vocabulary
ISO 6944-1:2024
مواصفة قياسية دولية
Fire containment — Elements of building construction — Part 1: Ventilation ducts
ISO 23139:2023
مواصفة قياسية دولية
Biological equipment for treating air and other gases — Requirements and application guidance for deodorization in wastewater treatment plants
ISO 21805:2023
مواصفة قياسية دولية
Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems
ISO 29463-5:2022
مواصفة قياسية دولية
High-efficiency filters and filter media for removing particles in air — Part 5: Test method for filter elements
ISO 16890-2:2022
مواصفة قياسية دولية
Air filters for general ventilation — Part 2: Measurement of fractional efficiency and air flow resistance
ISO 16890-4:2022
مواصفة قياسية دولية
Air filters for general ventilation — Part 4: Conditioning method to determine the minimum fractional test efficiency