Large Format Pocket Envelope Forming Machine For Exam Paper Bags And Documents HP-250c

Large Format Pocket Envelope Forming Machine For Exam Paper Bags And Documents HP-250c

Model: HP-250C
Paper weight: 70gram- 157gram
Capacity: 4000 - 5000 pieces/hour
Size range of envelope: Min.120mm x150mm ; Max.360mm x520mm
Total power: 7.0 kw
Machine weight: 2500kg
Machine size: 3300mm x1200mm x1700 mm
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Description
Technical Parameters

Ruian Koten Machinery Co., Ltd. is one of the leading manufacturers and suppliers of large format pocket envelope forming machine for exam paper bags and documents hp-250c 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 large format pocket envelope forming machine for exam paper bags and documents hp-250c, welcome to get quotation from our factory.

 

 

Products Description

 

 

 

HP-250C Full Automatic Pocket Envelope Making Machine

The HP-250C is a heavy-duty, fully automatic machine engineered for high-volume production of large-format pocket envelopes, open-end envelopes, and similar paper bags. Featuring an air-suction bottom feeding system with no-stop feeder, it delivers continuous output at 4000–5000 pieces/hour. The rotary gluing structure ensures even adhesive application, while the air-suction barrier folder guarantees stable performance at high speeds.

 

Key Features:

Max. envelope size: 360 × 520mm

Paper weight: 70–157 gsm​ (handles thick paper with ease)

No-stop feeder for uninterrupted production

Precise paper positioning & user-friendly operation

7.0 kW power, 2500 kg robust construction

 

Ideal For:

🖨️ Printing Factories​ - Custom printed envelopes, letterheads, greeting cards

📦 Packaging Factories​ - Gift bags, document pouches, promotional packaging

✉️ Envelope Manufacturers​ - Pocket envelopes, open-end envelopes, courier mailers

🛍️ Paper Bag Makers​ - Shopping bags, kraft bags, food delivery bags

🏢 Trading & Wholesale Companies​ - Bulk envelope and paper bag supply

 

 

 

Main Paramater

 

 

Model HP-250 HP-250PLUS HP-250D HP-250B HP-250C
           
Paper weight 50-157gsm 50-200gsm 60-157gsm 60-157gsm 70-157gsm
Machine speed 5000-22000pcs/min 5000-22000pcs/min 4000-12000 pcs/hour 4000-12000 pcs/hour 4000-5000pcs/hour
Envelope size range Min. 30x50mm-
Max. 120x250mm
Min. 30x50mm-
Max. 120x250mm
Min. 50x70mm-
Max. 180x300mm
Min.100x110mm-
Max. 260x400mm
Min. 120x150mm
Max. 360x520mm
Total power 4.1KW 4.5KW 4.5KW 6.0KW 7.0KW
Machine weight 1100KG 1300KG 1300KG 1800KG 2500KG
Machine size 1550x800x1230mm 1900x900x1500mm 2200x950x1300mm 2800x1150x1400mm 3300x1200x1700mm

 

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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