Valve Sacks

These sacks are an efficient and cost-effective choice for industries such as cement, building materials, chemicals, and food, where fast and accurate filling is essential.

About

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 mixes, chemicals and fertilizers, wheat, seeds or other dry goods.

We have some special patented de-aeration systems on our valve bags to ensure an optimum performance of our bags on the customers filling line.

Specifications

Width
Bottom
Length
Print on sack
Print on bottom
Paper
Other possibilities
180 to 700 mm
70 to 230 mm
250 to 1200 mm
Up to 8 colours
Up to 6 colours
70 to 120 g/cm white or unbleached paper
Extra moisture protection, combined materials

Benefits

High-speed filling

Valve sacks are designed for quick de-airing and high- speed filling

Multiple variants of closing

The valve may close itself under the pressure of the product, or be glued or bent, adhere under the influence of high temperature or ultrasonic vibration, depending on the seam strength requirements and filling equipment

Optimal for palletizing

Optimal for palletizing due to their regular geometric shape. Antislip lacquer may be used to reduce sliding

Extras

Thermovalves

You might need ultrasound-sealed valve sacks if you desire to provide extra-strong seam and cleanliness and special protection of the product. It was designed for industrial process enhancement

Safety label

This sophisticated label is designed to combat product counterfeiting

Moisture-proofing

Non-perforated Master Air systems allows high speed sack filling, similar to perforated films (just on special Master Air sacks)

Ultimate moisture-proofing

For those who needs in high moisture protection, there is an offer for valve sacks with an inner layer of polyethylene film up to 50 my thick

Valve Types

There are different types of valves. The most producing ones are: 2, 10, 13, 19, 31, 32. Below some valve types are described with photos.

02

Valve reinforced folded edge

07

Tubular valve folded edge

10

Pocket valve

12

Polythene tubular valve

13

Polythene valve

14

Narrow pocket valve wide bottom

19

GS valve

25

Polythene tubular valve

AIP-pic-130

11

Tubular valve preformed

AIP-pic-132

15

Narrow tubular valve wide bottom

AIP-pic-134

17

Three plies valve inserted front

AIP-pic-136

20

Paper tubular valve (sealing valve)

AIP-pic-138

23

Valve reinforced
folded edge, two plies

AIP-pic-140

31

Pocket valve
(sealing valve)

AIP-pic-142

32

Preformed valve with patch
(sealing valve)

AIP-pic-144

33

Thermov.
open risen with collar

AIP-pic-146

35

Three plies valve inserted rear

Innovations and Specialities available