Electric butterfly valve flange sealing Germany hardware quality brief GEKO's hard sealed butterfly valve, valve body using a
three-eccentric metal seal structure of a multi-level, precision of
the valve sealing surface treated by polishing with the sealing
surface of three-dimensional organic combination of eccentric, with
high and low temperature resistance, high pressure, allowing media
in small particles, long service life and so on. Been widely used
in metallurgical, chemical, oil, combustible gas, water supply and
drainage industries. three-eccentric structure, valve seat plate and virtually no
friction valve sealing surface using diamond-based surfacing alloy, with a
characteristic of rubbing valve plate sealing surface for the rigid metal sheets stacked with
hard-metal seals and seal the dual advantage of flexibility sealed from the medium high and low temperature impact four series connection of the terminal could be applied to all
connections