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,
For this type of pipes I think its for gravity applications.
There is another pipe technology as worldwide unique PATENTED pipe as anti bacterial 3 layers pipes AB-3P , high impact resistant pipe, patented polymer compound and super high pressure twin conical screw extrusion process...
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...
Plus above useful books you can download free Trouvay&Cauvin for piping equipment which indicate the available pipes, valves and fittings from the below web link
https://rs20tl6.rapidshare.com/#!download|20dt|1248930|PipingEquipment.rar|25127|R~DF0B9F37909AA591C7B744BADF3A9DC2|0|0
Regards...
Hi,
This is classical specs,you can check manufacturers VELAN or KITZ which still manufacturing some gates wedges through this specs.
For SOLID 13 CHROME WEDGE AND SEAT RINGS, It was known as more tightness welded-in stellite 6 faced seats and flexible wedge in Cr13.
for STELLITED that means...
Hi,
You may check cameron , Kitz also bonney forge
http://www.c-a-m.com
http://www.valvekitz.com/index.pl?st=a&odr=&skcd=SK2505&skcd=&sktx=&Pressure=&skcd=SK1503&skcd=&skcd=&x=13&y=11
http://www.bonneyforge.com
hi Kobenhavn,
For these types of valves you can check also the below manufacturers:
http://www.rainbird.com/golf/products/valves/pesb.htm
http://www.hunterindustries.com/Products/Valves/srvintro.html
www.cla-val.com
In Israel as BERMAD also DOROT and RAPHAEL and some other small factories...
Hi Shajahan,
Triple offset Butterfly Valves are the best solution for Sea water application , we call it as high performance butterfly valves metal seated, , a very few manufacturers worldwide who make large diameters of these types 2 in Korea up to DN 4000mm (4 meters dia)
Seat from nickel...
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...
