As one of the leading big size resilient seat gate valve, dn800 soft seat cast iron gate valve, dn900 resilient seat ductile iron gate valve, dn500 epdm seat cast iron gate valve manufacturers and suppliers in China and equipped with a productive factory, Shanghai Hugo Valve Co.,Ltd is always at your service.Big size resilient seat gate valveComponents Dimensions Unit mm1BodyCast iron / Ductile iron DNL2Disc S.S. / bronze 3BonnetCast iron / Ductile iron F4F5BS5163/5150ANSISABS4StemS.S. / Brass DN3502905503813814705O-ringNBR 6NutBrass / Bronze DN4003106004064064707SeatBrass / Bronze 8OperationHandle wheel / Gear DN450330650432432485 Applicarion DN5003507004574575101Face to face according to DIN F4/F5/ANSI/BS/JIS/SABS DN600390800508508600 DN7004309006106106102Flange drill according to DIN2532/ 2533/ 2501/EN1092/ ASME B16.1/16.5 DN8004701000660660660 DN9005101100711711711 DN10005501200811811811Test Work pressurePN10PN16 DN12006301400101510151015Shell pressure1.5 Mpa2.4 Mpa DN1400710 Seat pressure1.1 Mpa1.76 Mpa DN1600790