... 7 AWWA C207 4"--144" Class B,D,E,F T/1 PL A105,A181 A36,A516Gr.60,65,70 8 EN1092 ... ANDP280GH),EN10222-5(1.4303,1.4306,1.4307,1.4401,1.4404,1.4435,1.4541,1.4571)A105/C21/1.0432 C22.8/P150GH/1.0460 9 BS4504 ... approval of ISO9001 and PED certificate by TUV-Germany in 2005. Our products have a good market in Europe, South America ...