Our paper bag production line consists of paper tube forming machine(Tuber) and bottom pasting machine(Bottomer). The products-Valve bags are used for a vast number of applications, primarily in the building materials and food industries, to filling goods such as:cement,chemical material, feeds, fertilizers,tea,rice etc. Valve paper Bags:
Bags can be made of 2~4 layers kraft paper or paper with one layer of PE/PP film.2~4 colors printing available in Tuber line.
The bags opening or valve in one corner through which the sack is filled. The valve is made with an inner flap which functions as a self-closing check valve after filling. It is available with a plain valve or with an extended inner sleeve of paper or film.
Different models can produce different kinds of bags,like standard cement bags,chemical/cement bags with bottom strengthen sheet,tea bag with PP Liner to enhanced moisture protection. Machine Technical Parameters:
Product show:Our advantage:
||2 colors available (ZT9804 is 4-color printing)
|Diameter of print roller:
|| ø144~ø314 mm
|Number of plies:
||2~4 papers and 1 PP/PE liner obtional.
|Paper reel width:
|| 860~1260 mm
|Paper reel diameter:
||Max. 1, 300 mm
|Paper Bag Width:
|Paper bag Bottom width:
|Paper bag Length:
|Distance between bottom centers
|Size of tuber:
|Size of bottomer:
||21.3m*2.3.m*1.8m ( L*W*H)
||63kw(ZT9802S 30KW,HD4913B 33KW)
||Mainly for making cement bags
1.Specialize in design and manufacture valve sack machine for 30 years;
3.Our tuber machine and bottomer machine have gained over 50 utility model patents;
4.Longer service life with NSK bearings,SIEMENS control system and high quality gearings.
5.Cost effective compare to W&H,Germany and Newlong,Japan.