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NCPI(National Clay Pipe Institute)

CPDA(Clay Pipe Development Association)

Water and Wastewater Co

SGJET Co.

Persia Petro Steel Co

      
  




 

Clay pipe / standards

Standard No
Standard type
DIN 1230
DIN Germany
C 700
ASTM U.S
EN 295
BS England

 
The draft of standard for vitrified clay pipes and junctions has been prepared and declared under the No. 33-1365 to the provincial water and sewage companies around the country by Water Engineering Standard Organization.
 
 
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