GSO EN 12729:2022

EN 12729:2002
Gulf Standard   Historical · Approved on 12 May 2022

Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A

GSO EN 12729:2022 Files

GSO EN 12729:2022 Scope

The purpose of this standard is to define - the field of application; - the dimensional, physico-chemical, design, hydraulic, mechanical and acoustic characteristics; - the working and the prescriptions for the tests to check , these characteristics; - the marking and the presentation. To be adhered to for reduced pressure principle backflow preventers, controllable BA.

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 ECE R 51:2024
ECE R 51:2023 
Gulf Standard
Uniform provisions concerning the approval of motor vehicles having at least four wheels with regard to their sound emissions
GSO ISO 13256-1:2024
ISO 13256-1:2021 
Gulf Standard
Water-source heat pumps — Testing and rating for performance — Part 1: Water-to-air and brine-to-air heat pumps
GSO EN 13077:2024
EN 13077:2023 
Gulf Standard
Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B
GSO ASTM E2218:2024
ASTM E2218:23 
Gulf Standard
Standard Test Method for Determining Forming Limit Curves