Cast Iron Valves: Type: Butterfly valves, Gate valves, Check valves, Global valves, Y strainer Size:DN40-1200 or 1.5-48' ... ,150LB-2500LB Suitable temperature: -45c~150c Standard: (1)Design and manufacture:DIN3352, BS5163,BS5150, ANSI B16.34, API600, API6D ... seat, Flexible graphite Operation: Manual, Pheunatic, Electric, Hydraulic and Pnewmatic-Hydraul Appropriate medium: Air,water,sewage,steam,coal gas ...