Brass Valves
(197)
Bronze Valves
(16)
Brass Pipe Couplings
(146)
Copper Fitting
(12)
Bronze Coupling
(20)
Hose Bibcocks
(28)
Brass Manifold
(9)
However, as well as having a specific “Country Approval”, it was deemed appropriate that an international standard for metering devices was also required and thus, ISO 4064 became the universal standard for many years, setting the ‘precedent’ for future approvals.
Nevertheless, with the introduction of Electronic Water Metering, the principle of measurement, not the accuracy of the meters, caused problems within these older standards. Having said that, whilst ISO 4064 was once seen as the correct approval, it simply was unable to provide the necessary testing criterion for the new generation of meters.
