... war ships) AS and BS(for merchant ships)medium:water,pipe and so onpressure:1.6, 1.0, 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 ...