Max Working Press:
     DN50~DN250: 10Bar  NPS2~NPS10 150Psi
     DN300~DN450: 7Bar  NPS12~NPS18 90Psi
     DN500~DN600: 4Bar  NPS20~NPS24 60Psi
   Temp. Range:  -29...+800
   Seal Tightness:    According to MSS SP-81
   Body Material:   Carbon Steel, Stainless Steel, Special Allory
   Gate Material:    Stainless Steel Chrome Plated, Special Allory
   Seat Material:    Stainless Steel+STL
     EPDM (120°C) /Viton(200°C)/PTFE(200°C) /NBR(90°C)
   Face to Face:     MSS SP-81
   Flange Standard:     GB/T 9113.1, JB/T 79.1, HG 20592, ASME B16.5, EN1092-1
   Applications:     Pulp & Paper,  Water Treatment Beverage & Food Fine Chemical, 
     Power Planet Steel Industry, etc.