Valve, Gate valve, Butterfly Valve Body can be cast iron, ductile iron and carbon steel as per STD of BS, DIN,MSS valve, gate valve, butterfly valve... NRS Resilient Gate Valve comply with BS5163 Type A&B, DIN3352 OR AWWA C515.OS&Y, NRS Gate Valve comply with BS5150&MSS SP-70 Wafer Butterfly Valve, Lug Butterfly Valve comply with EN593/BS5155/MSS SP-67Globe Valve BS EN13789/DIN3356/MSS SP-85CHECK ...