+ Valve test confirm to EN 1074-1 and ISO 5208.+ Flanges dimensioned and drilled according to EN 1092-2.+ Wedge internally and externally coated with NBR or EPDM 100%.+ Wedge connected with stem by changeable nut.+ Stem O-rings changeable under working pressure in completely opend position .(ISO 7259)+ Inside and outside by epoxy powder coating per RAL5005 250 m or as per customer's requirement.+ All body & bonnet bolts covered by silicone.+ The valves have CE certificate.
