... test: GB 13927 API 598Non rising stem resilient seated gate valves(RVHX,RVCX) main materialSerial no.partmaterial1BodyGrey cast iron, ductile ... wheel(transmission cap)Cast ironNon rising stem resilient seated gate valves(RVHX,RVCX) main dimensionsDN506580100125150200250300350400450500600L178190203229254267292330356381406432457508H (min)(full close)31333237242449756268083794810101220128014801665H (max ...