... 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, ... Expansion Joint: Single,Double Sphere ,Double Sphere UnionAir Relief Valve:Single & Double Orifice 1).Size: DN40-DN600 2). ...