... as per STD of BS, DIN,MSS valve, gate valve, butterfly valve... NRS Resilient Gate Valve comply with BS5163 Type A&B, DIN3352 ... 70 Wafer Butterfly Valve, Lug Butterfly Valve comply with EN593/BS5155/MSS SP-67Globe Valve BS EN13789/DIN3356/MSS SP-85CHECK VALVE:1). SWING ... CheckValveEN12334/BS 5153/MSS SP-71/AWWA C508/DIN 2). Wafer Check Valve ...