Plastic washers are made with a small and cheap extruder. The raw material comes from old beer crates. The washers are used in the Life Rope Pump in Ghana. These washers give 15 % more yield and last longer than the traditional rubber washers.
More info: www.pumpingislife.nl or www.ludo-engineering.nl. Tel 0031182307907.
RCF Bolt & Nut Ltd HOT forging hexagon head bolts on one of our small presses. heated via induction heating. For more information please visit www.rcfboltnut.co.uk