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Single Malt Scotch pot Whisky still
Scotch malt whisky is usually distilled twice ,using batch distillation in copper pot stills , the first distillation takes place in a wash still ,the spirit vapour reaches the top and is directed through the swan neck ,along the lyne-arm to the condenser
Originally the whisky still were heater by the direct fire ,now most distilleries heat the stills by seam with a coil . the gas heating also is okay to process