Gold Member Since 2012
Audited Supplier
Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

Twin Conical Screw Barrel, Double Screw Barrel, PVC Pipe Screw Barrel manufacturer / supplier in China, offering Twin Conical Screw Barrel Double Screw Barrel PVC/PP/PE Sheet, Profile, Pipe Pellets, Parallel Double Screw Cylinder for PVC Pipe Extrusion, Plastic Machinery Bimetallic Conical Twin Screw and Barrel and so on.

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Supplier Homepage Product Extruder screw and barrel Twin Conical Screw Barrel Double Screw Barrel PVC/PP/PE Sheet, Profile, Pipe Pellets

Twin Conical Screw Barrel Double Screw Barrel PVC/PP/PE Sheet, Profile, Pipe Pellets

FOB Price: US $100 / Piece
Min. Order: 1 Pair
Min. Order FOB Price
1 Pair US $100/ Piece
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Production Capacity: 1500sets/Month
Transport Package: Slushing Oil Coated& Film Wrapped in Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: twin conical screw barrel
  • Type: Sheet Extruder
  • Screw: Twin-Screw
  • Computerized: Computerized
  • Specification: ISO 9001: 2008
  • HS Code: 84779000
  • Size: Customize
  • Plastic Processed: PVC
  • Automation: Automatic
  • Trademark: Zhongyang
  • Origin: China(Mainland) Zhejiang
Product Description
Twin conical screw barrel double screw barrel for PVC/PP/PE sheet, profile, pipe pellets extrusion
ZY is a professional twin screw manufacturer, we have good design and produce ability.
All ranges of extruder twin screw are available from us.
Pls send us your requirements and we will offer the most suitable solution within 12 hours.

(Conical twin)
35/76, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188, 95/191, 105/191, 100/200

(parallel twin)
Diameter: Φ 45mm-Φ 200mm
L/D ratio: 16-35
The compression ratio of screws can be designed according to different products and ingredients
Material and Heat treatment
MaterialHeat Treatment
1) 38CrMoALA(JIS SACM645)Nitriding treatment
2 ) 9Cr18MoVCorrosion & Abrasion resistance bimetallic alloy coating
  China Twin conical screw barrel for recycled plastic extrusion machine     
  Technical Parameter
Hardness after hardening and temperingHB260 º -290 º
Depth of nitriding0.55-0.85mm
Hardness of nitridingHV 950-1020
Fragility of nitridingLess than grade 2
Depth of bimetallic layer2.0-3.0mm 
Hardness of bimetallicHRC59 º -65 º
Roughness of the surfaceRa 0.4um
conical twin screw and barrel  size
Ø45/Ø90Ø45/100Ø50/Ø105Ø51/Ø105Ø 55/ Ø 110
Ø60/Ø125Ø65/Ø120Ø65/132Ø68/Ø132Ø 70/ Ø 140

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