Product Name: Stainless Steel Kf Vacuum Elbow Model NO.: STF3253 Manufacturing Way: Forging Sealing Surface: RF Connection: Flanged Structure: Round Material: Stainless Steel Type: Welding Flange Standard: ANSI, DIN, GB, JIS Trademark: ST Transport Package: Plywood Case Specification: KF16-50 ISO63-400 Origin: China Product Description ApplicationsISO-KF fittings can be used in a wide variety of applications including:• Roughing and foreline plumbing• Small systems• Systems requiring frequent cleaning or modification• Research and teaching laboratories ISO-KF components are primarily designed for use at subatmospheric pressure. Because of the large number of elastomer seals used.InstallationThe ISO-KF components are assembled by inserting a centering ring between the two flange faces, then securing the assembly with a flange encompassing clamp (see Figure 2).Material and Size• Flanges, Blanks, Fittings: Stainless Steel 304 or 316L• Clamps: Aluminum or Stainless Steel 304• Oring: VitonVacuum rangeElastomer seal: >= 1 x 10-8 Torr Temperature rangeViton: -50°C to 200°C