Applications

Packaging

The single greatest obstacle to sustained freshness in packaged food is air. Vacuum seals are a critical part of ensuring frozen and pantry foods retain long-term shelf-life without degradation of flavor, color, texture and nutritional value. Storage of food in a vacuum can preserve product freshness for up to five times longer than conventional food storage methods.

The vacuum packaging process involves a precisely timed two-step process. First, a powerful piston pump quickly removes all air and creates a vacuum in the product packaging. Then, it’s tightly sealed by a timed airtight sealing and cut-off process.

Eagle Signal brand on-delay or repeat cycle timers are used in a wide variety of sealing applications to time the vacuum pump exhaust process to a specified time interval (i.e. every 30 seconds). A feedback signal then indicates that the item is fully vacuumed which enables the counter to then send a second output signal to a temperature controller to then heat the vacuum sealer to a precise temperature parameter for a reliable and accurate vacuum seal.

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