... DN15-DN200 3,PN:PN1.6-4.0MPa 4,Type:control valve Remote control pneumatic valveMainly technical inspection1,Material: lining ceramic/ body ... wuse when it design as per VDI/CDE3845 atandard.2.Electric force valve localizer installation:this series is specially design ... packing,PTFE yarn packing,PTFE-impregnated asbestos yarn,asbestos yarn with graphite,graphite packing Remote control pneumatic valve