Features: .Design & Manufacture: BS 5156-85, MSS SP-88, GB 12239-89 .Face to Face Dimension: BS 5156-85, ANSI B16.10, GB 12221-85, DIN 3202 .Flanged Dimension: BS 5156-85, ANSI B16.5, EN 1092, GB/T 17421-98 .Inspect & Test: BS 5156, MSS SP-82, GB/T 13927 .Operation: Handwheel, Pneumatic & Electric .Size Ranges: 1/2” to 12”NB .Pressure Rating: PN6, PN10, PN16, ANSI 125, ANSI 150. Materials available in .Body/Bonnet: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel & Duplex .Lining (Optional):         Fluorine -- PTFE, FEP, PCTFE, PVDF, TFE, PFA, RPP, PO         Rubber - NR, BR, IIR, CR, EPDM, CSPE, FKM, SI .Diaphragm: Rubber or Fluorine .Compressor/Disc: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel .Stem: Carbon Steel & Stainless Steel .Handwheel: Iron & Steel