Butterfly valve, triple eccentric, metal to metal seat Dn:40-2000mm Pn:0.25MPa 0.6MPa 1.0MPa 1.6MPa 2.5MPa 4.0MPa Body: wcb, stainless steel and so on Packing: flexible graphite Seal: stainless steel Connecting type: flange connecting and wafer connecting Butterfly valve: PN1.0-2.5mpa DN50-2000 150-300lb 2"-80". Package: wooden crate or according to customer's requirements.