Vacuum components listLow-price & high quality We handle a lot of vacuum components. please contact us freely.NW(KF)seriesThe Small Flange or NW(KF) standard (DIN 28403, ISO2861) is the standard connection for vacuum pipes up to the nominal diameter of DN50 used in low, fine and high vacuum.short flangelong flangespecial flangeblank flangebored flangecentering outering CZoutering OZcentering with meshreducer centeringO-ring for NW standardaluminium clampchain clampstainless clampbulkhead clampwall clamptee pipereducer tee pipecross pipeelbow pipe (R or S)nipple pipereducer5ways pipe6ways pipePlease contact us freely Contact us from hereTEL. +81-3-3456-2577