1. Certificate:ABS,GL,LR,RINA,BV,DNV,NK,KR,CCS 2. Standard: DIN/JIS/ANSI/BS 3. Medium: Water/Gas/Oil Manual Gate Valve-Especially gate valve for Oil Tanker 1. Certificate:ABS,GL,LR,RINA,BV,DNV,NK,KR,CCS2. Standard: DIN/JIS/ANSI/BS3. Medium: Water/Gas/Oil4. Cast Iron/Cast Steel/Cast Bronze/Stainless Steel5. DN40-500mm 6. PN 0.25-1.0MPa7. Top Quality&Reasonable Price Gate Valve