GRANVILLE PHILLIPS REPLACEMENT GOLD SEAL NOSEPIECE KIT W/ TWEEZERS P/N 204014Granville-Phillips 204 gold seal ultrahigh vacuum valve.Granville-Phillips Gold Seal Valves have been designed for industrial and research vacuum applicati** requiring maximum cleanliness and reliability at a reasonable cost. These valves will smoothly control all gases which are non-corrosive to both gold and Type 304 Stainless Steel. The range of this control extends from the lowest pressures attainable to above one a
