Dear All,
I have question related standard of ISO 2531 for ductile iron pipes&fittings related water if this standards the same as BS EN545 or there is little differences?
Thanks for all
Kandeel
Hello All,
My question regarding ISO 2531 standard for the year 2010, how can I find pdf file for this standard to download or book explains it.
Thanking you on advance.
Kandeel
Hello All ,
When we speak about isolation manual valves there are many types, I choose two (2) of them as butterfly double eccentric & gate valves , max working pressure 16 bars for water application,sizes from 2" up to 80", both valves in ductile iron bodies.
My question : what are the...
hi All,
I need valve professionals to reply my below question.
In sand filters and backwash applications, MODULATING electro-pneumatic butterfly valves is preferred to use for filing, rinsing and backwash, why they do not use ON-OFF butterfly types?
Why MODULATING??
The below web link for...