Cast Iron Swing Check Valve

We are offering cast iron swing check valve.type: metal seated/ resilient seated， face to face: mss sp-71，din 3202 f1，bs 4090 /bs 5153 working pressure: 150 psi, pn 10，pn 16 bill of materials: body：cast iron, ductile iron disc: cast iron/ ductile iron/ductile iron / rubber body seat ring: brass, bronze, stainless steel disc seat ring: brass, bronze, stainless steel.