... .0, 2.5, 4.0, 6.4MPamaterial of stop check valves:bronze,brass,gun metal,cast iron,forged steel.cast ... to Singapore,Australia,German,Korea,Japan,Dubai and so on.the company can provide CCS and other ship inspection ... certificates based on customer's requirement.welcome to our factory ,and we ... considerate service for u. flanged cast steel globe check valves