... iron,bronze,cast steel,ductile iron,stainless steel,SS316,ANSI316 and so on.Size:20A-150AType: AS,ASS,AQS,AQ ... ,BQSCertificate:CCS,ABS,BV,RINA,GL and other ship inspection certificateMade by jiangyin marine valves co.ltdIf u are interested ... we can supply valves according to customer’s request and can ensure the delivery time will be punctual.Any ... to u. cast steel quick shutting valve for marine use