Processing › Boutelje Drum Pump Image 1 of 1 Boutelje Drum Pump $4,200.00 This pump is used for emptying drums. It can be lowered into the drum via the large bung hole, or into an open topped drum. Quantity: Add To Cart Added! This pump is used for emptying drums. It can be lowered into the drum via the large bung hole, or into an open topped drum.