... produce the size of marine ball valve Cast Iron Marine Ball Valves DN40Standard: JIS DIN ANSI or othersMaterial: CastingPressure: 5K, 10K, 16K, 20kCertificat: ISO9002:200, BV ... , 16k, our valves include various types-globe valve, check valve, swing check valve, gate valve, hose valve and their accessories. The body material is bronze, cast iron and cast ...