铸铁
　　凸耳式或对夹式阀体
　　Cast Iron
　　Lug or wafer body

• 三元乙丙橡胶或丁钠橡胶(腈)衬垫材料
  EPDM or Buna-N liner materials
• DN50至DN600通径范围
  2" thru 24" size range
• 200 PSI水、气、油(DN50至DN300)
  200 PSI WOG (2" thru 12")
• 150 PSI水、气、油(DN350至DN600)
  150 PSI WOG (14" thru 24")
• 在全压力负载下气密性关闭
  Bubble tight shut off at full rated pressure
• 铝青铜或镀镍球墨铸铁阀瓣
  Aluminum bronze or nickel plated ductile iron disc
• 416不锈钢阀杆
  416 stainless steel stem