OS GSO ISO 14520-9:2023
ISO 14520-9:2019
Omani Standard
Current Edition
·
Approved on
10 September 2023
Gaseous Fire-extinguishing Systems — Physical Properties and System Design — Part 9: HFC 227ea Extinguishant
OS GSO ISO 14520-9:2023 Files
No files for this standard are available in the store currently.
OS GSO ISO 14520-9:2023 Scope
This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 227ea extinguishant. It includes details of physical properties, specifications, usage and safety aspects.
This document is applicable to systems operating at nominal pressures of 25 bar, 42 bar and 50 bar with nitrogen propellant. This does not preclude the use of other systems.
Best Sellers From Mechanical Sector
OS GSO 42:2015
GSO 42:2015
Omani Standard
MOTOR VEHICLES - GENERAL REQUIREMENTS
GSO 42:2015
Gulf Technical Regulation
MOTOR VEHICLES - GENERAL REQUIREMENTS
GSO 159:1993
Gulf Technical Regulation
MOTOR VEHICLES –
DIMENSIONS AND WEIGHTS
OS GSO 159:1993
GSO 159:1993
Omani Standard
MOTOR VEHICLES –
DIMENSIONS AND WEIGHTS
Recently Published from Mechanical Sector
GSO EN 131-1:2015+A2:2026
EN 131-1:2015+A2:2025
Gulf Standard
Ladders - Part 1: Terms, types, functional sizes
GSO ISO 16123:2026
ISO 16123:2025
Gulf Standard
Ships and marine technology — Marine cranes — Slewing bearings
GSO ISO 8741:2026
ISO 8741:2025
Gulf Standard
Fasteners — Reverse-taper grooved pins — Half-length progressive grooves
GSO ISO 8740:2026
ISO 8740:2025
Gulf Standard
Fasteners — Parallel grooved pins, with chamfer point — Full-length diamond grooves