These are closed sacks suitable for high-speed filling through the nozzles of filling machines (for instance, gravitational, bladed, air or conveyor type). Valve sacks have proven to be an excellent solution irrespective of the high-speed filling type. Filling parameters and safety properties may be fine-tuned according to the needs of the customer. Valve sacks may be additionally lined with polyethylene film for extra moisture-proofing.
Valve sacks are used with state-of-the-art filling facilities, for packaging of a wide variety of products such as cement and dry mortars, chemicals and fertilizers, wheat, dried milk, seeds and animal feedstuffs, or other dry goods.