Ruian Koten Machinery Co., Ltd. is one of the leading manufacturers and suppliers of High Accuracy Paper Envelope Making Machine in China. With abundant experience, we ware committed to providing high quality machinery made in China with competitive price. If you're going to buy CE approved High Accuracy Paper Envelope Making Machine, welcome to get quotation from our factory.
The HP-250B/C/D fully automatic pocket envelope forming machine is specifically designed for the production of pocket envelopes, open-end envelopes, and other similar paper bag products.
The machine is equipped with a dependable air suction bottom feeding system that ensures accurate sheet separation, allowing for uninterrupted continuous feeding of blank envelopes. The folding unit, fitted with air suction baffles, delivers stable and highly efficient operation. The rotary gluing system guarantees even and consistent glue application, and the production cycle is completed with an integrated finished envelope counting mechanism.
Products Description


Products Feature
This model has been specifically engineered to meet the demands of thick paper processing. The air suction feeding system, positioned at the base, ensures reliable sheet separation and permits continuous paper replenishment without machine stoppage.
The fence-type folding unit, combined with suction rollers, guarantees exceptional folding accuracy even at high operating speeds. Width adjustments for envelopes can be made online without interrupting production.
The rotary gluing system delivers consistent adhesive application and is designed for easy cleaning. Furthermore, the machine is equipped with an integrated counting and grouping unit for finished products, streamlining production management.

Main Paramater
|
Model |
HP-250D |
HP-250B |
HP-250C |
|
Paper weight |
60 - 157 g/m² |
60 - 157 g/m² |
70 - 157 g/m² |
|
Capacity |
4000-12000 pieces/hour |
4000-10000 pieces/hour |
4000-10000 pieces/hour |
|
Size range of envelope |
Min.50 x 70 mm Max.180 x 300 mm |
Min.100 x 110 mm Max.260 x 400 mm |
Min.120mm x 150 mm Max.380mm x 520 mm |
|
Total power |
4.5 kw |
6.0 kw |
7.0 kw |
|
Machine weight |
1300 kg |
1800 kg |
2600 kg |
|
Machine size |
2200 x 950 x 1300 mm |
2800 x 1150 x 1400 mm |
4020 x 1240 x 1750 mm |
Application

Company Proflie
Installation
The above price not contain the installation and training charge, if customers request our engineer for this service, customers should pay the flight tickets, hotel, food and daily wage.
Guarantee
One year, within one year, the damaged spares by nature can be changed for free.

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