7 layer downward water quench machine

7 layer downward water quench machine

To make high barrier film, non PVC soft packing film


 The 7 layer coextrusion blown downward water quench machine is used to make high barrier nylon and evoh film, high barrier PP film, non PVC soft bags, which is widely used in medical treatment, vaccum food packing, IV solution, intravenous injection bags, etc.
It is suitable materal of PE, PP, EVA, PA, and EVOH.


1. 7 layer co-extrusion
2. Blown downward warter quenched
3. 7 layer coextrusion pan stackable die head
4. Downward traction rotation oscillating
5. Computer centralized controlled system
6. Automatic winder with auto tension control
7. Computer centralized control system


<-------- Can Move Left or Right -------->
ModelSJ-7C-BL800SJ-7C-BL1200
Co-extrusion Layers7 Layers7 Layers
Suitable MaterialPA, EVA, EVOH, LDPE, LLDPE, mLLDPE
Max. Folding Film Width700mm1100mm
Film Thickness0.035-0.20mm0.035-0.20mm
Max. Output140kg/hr180hr/hr
Screw Diameterφ40/ φ45/ φ35/ φ35/ φ35/ φ45/ φ40φ45/ φ55/ φ40/ φ40/ φ40/ φ55/ φ45
Screw Ratio(L/D)28:1, 30:128:1, 30:1
Max. Screw Speed120r/min
Main Extruder Motor15/18.5/11/11/11/18.5/15KW18.5/22/15/15/15/22/18.5KW
Mode of Bubble CoolingDual Lip Air RingDual Lip Air Ring
Water CoolingWater Cooling
Mode of Reversing360o Horizontal Reversing Haul-Off360o Horizontal Reversing Haul-Off
Width of Auxiliary Machine800mm1200mm
Winding ModeFull Automatic Winding




Traction rotation haul off system downward


Automatic double winder



7 layer downward water quench machine, seven co extrusion downward extruder machine, 7 layer co extrusion blown film extruder machine, medicical PET film water quench machine, 7 layer downward co extrusion machine, Wuhan Tongchuang 7 layer co extrusion machine

Wuhan Tongchuang Plastic Machinery Co., Ltd. | 7 layer downward water quench machine