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High vacuum angle valve series XL provides excellent thermal conductivity results in a uniform temperature for the entire valve body and a marked decrease in the condensation of gases inside the valve. The valve does not contain heavy metals such as Ni (nickel) or Cr (chrome) and a low sputtering yield also helps to minimize heavy metal contamination of semiconductor wafers.
Series XM (high vacuum angle valve) and XY (high vacuum in-line valve) feature body materials of SUS (stainless steel). The structure of the XM is the same as the XL, except the body material of the XL is aluminum. The XM series is interchangeable with the XL series. The precision cast, one piece manufacturing process of the XY series prevents imperfections due to accumulation of gas and ensures no porosity in the body.