Three-layer co-extrusion blown film machine

The 3SJ-G Series is a fully automatic, high-speed 3-layer co-extrusion PE film blowing machine engineered for maximum efficiency. Specially configured for LDPE, it features an advanced PLC touch-screen system, precise gravimetric dosing, and a dedicated dual-lip cooling air ring. Reduce labor costs and maximize your output with our fully automatic cutting and rewinding technology. Perfect for high-quality flexible packaging production.
  • Detailed Description

3SJ-G1100/1300/1700/2200 High Speed Three Layers Co-extrusion PE Film Blowing Machine

Main Configuration

  • Main extruder equipped with high-speed alloy screw; 300G automatic auto-loader combined with automatic gravimetric dosing system (meter/weight control).
  • Automatic rotary die head, specially configured for LDPE.
  • Dedicated dual-lip cooling air ring.
  • Winding controlled by PLC touch screen; fully automatic cutting and rewinding device.

Main Specification

Model

3SJ-G1100

3SJ-G1300

3SJ-G1700

3SJ-G2200

Screw diameter

Φ50mm×3

Φ50mm×3

Φ55mm×2+60mm

Φ65mm×2+70mm

L/D ratio

30:1

30:1

30:1

30:1

Output capacity

60-120kg/h

100-150kg/h

150-220kg/h

180-300kg/h

Film width

300-1000mm

400-1200mm

500-1500mm

1000-2000mm

Film thickness

0.01-0.1mm

0.01-0.1mm

0.01-0.1mm

0.01-0.1mm

Main motor

18.5KW×3

18.5KW×3

22KW×2+30KW

37KW×2+45KW

Total power

120KW

125KW

150KW

250KW

Voltage

380V, 50-60HZ, 3Phase

Die head

Φ220mm

Φ280mm

Φ400mm

Φ500mm

Gross weight

6500KG

8500KG

9500KG

11000KG

Dimension

8.5×5.5×7.5M

8.5×6×8M

9.0×6.5×8.8M

9.0×6.5×9M

Interested in the SJ100-200 Granulator?

Tell us your material type and target output — we will send a detailed quotation and machine specification sheet within 24 hours.

RUIAN ECOPLAST MACHINERY CO., LTD is a professional manufacturer of plastic recycling granulators, PE film blowing machines, and crushing & washing lines. We serve plastic recyclers, packaging producers, and industrial manufacturers worldwide.

Located in Ruian, Zhejiang — one of China's key machinery manufacturing hubs.

Granulators
Film Blowing
Crusher & Washing

Phone: +86 18968801782
E- mail: ecoplast@163.com
WhatsApp: +86 18968801782
Address: Building 4, Bailian Industry Area, Pandai Street, Ruian City, Zhejiang, China

© 2026 RUIAN ECOPLAST MACHINERY CO., LTD. All rights reserved.

online service

Hello, I am the online customer service

X