3C valve category: industrial article number: call to inquire brand: Willis valve action object: boiler purpose: cut-off model: QJ41M-16 structure form: fixed ball valve parts and accessories: valve body order number: call to inquire nominal diameter: DN15, DN20, DN25, DN32, DN40, DN40 L=225, DN50, DN50 L=245, DN65, DN80, DN100, DN125, DN150, DN200 working temperature: high temperature flow direction: two-way standard: national standard connection form: flange shape: ball type material: cast iron type (channel position): two-way type whether cross-border export is for supply of goods: no pressure environment: normal pressure driving mode: manual applicable medium: steam