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ZB500N Automatic Internal-Pumping Brick Vacuum Packaging Machine for Granules, Coffee Beans, Nuts and Grains

ZB500N Automatic Internal-Pumping Brick Vacuum Packaging Machine for Granules, Coffee Beans, Nuts and Grains

The ZB500N is a fully automatic horizontal vacuum packaging machine designed for granular products such as coffee beans, nuts, peanuts, grains, frozen food and pet food. It uses an internal pumping vacuum system: air is drawn out from inside the bag before sealing, producing a rigid, six-sided brick-shaped vacuum bag that is oxygen-free, compact and shelf-stable.

Integrated with a multihead weigher or volumetric cup filler, the line automatically completes bag pickup, filling, internal vacuum pumping, heat sealing, bag shaping, coding and output. The result is a premium retail-ready brick bag that stacks neatly, protects aroma and freshness, and reduces shipping volume by up to 40% compared with pillow bags.

Built with a food-grade stainless steel frame, fully enclosed glass safety guards and a Siemens PLC + Panasonic servo system, the ZB500N delivers stable, high-vacuum performance for coffee roasters, nut processors and grain exporters

  • Detalles del producto

1. Application

Industry: coffee roasting, nut processing, grain / rice milling, frozen food, pet food, dried fruit.

Suitable products: coffee beans, roasted nuts, peanuts, cashews, almonds, rice, beans, grains, frozen dumplings, pet food, dried fruit, granola.

Suitable bags: six-sided brick-type vacuum bags, aluminum foil vacuum bags, laminated foil bricks.

2. Main Features

Internal pumping vacuum (内抽式): vacuum is drawn inside the bag before sealing, achieving a deeper, more uniform vacuum than external suction.

Six-sided brick shaping: after vacuuming, the bag is pressed into a rigid rectangular block — stacks perfectly, premium look.

Multihead weigher dosing (optional cup filler): accurate weighing for granules, ±0.5–1 g.

Fully automatic cycle: bag pickup → filling → internal vacuum → heat seal → shape → code → output.

Siemens PLC + Siemens touch screen, Panasonic servo drives, AirTAC pneumatics, Omron temperature control, Schneider electrics.

Fully enclosed glass guards with interlock switches — machine stops when a door opens.

Ribbon coder prints production date and batch number (up to 3 lines).

Vacuum level adjustable on the HMI for different products.

3. Technical Parameters

表格

Item Specification

Model ZB500N (Granule Version)

Bag type Six-sided brick vacuum bag

Bag weight 100 g – 1 kg (adjustable; up to 2.5 kg on request)

Speed 10–20 bags/min (varies by bag size and product)

Vacuum chamber 760 × 450 × 500 mm

Vacuum degree up to -0.095 MPa

Power AC 380 V, 50 Hz, ~20 kW

Air supply 0.7 MPa, 1.1 m³/min

Machine size ~8800 × 3800 × 4080 mm

Machine weight ~3500 kg

4. Optional Configurations

10 / 14 / 16-head multihead weigher (for different product densities).

Screw auger filler (switch to powder version).

Nitrogen back-flushing after vacuum (for extra-long shelf life).

Vacuum pump upgrade for deeper vacuum.

Metal detector and check weigher.

Z-type bucket elevator / vacuum conveyor.

5. Why Brick Vacuum Packaging for Granules?

Keeps coffee beans fresh — no oxidation, no staleness, aroma locked in.

Moisture and pest proof — critical for nuts and grains shipped overseas.

40% smaller storage footprint — bricks stack flat, no air gaps.

Premium retail shelf appeal — gold/silver foil bricks look far better than pillow bags.

6. After-Sales

12-month warranty, lifetime technical support.

English manual and operating video.

Engineer on-site installation and training available.

Wooden export packing.

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