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 Pipe, 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 Pipe

Twin Conical Screw Barrel Double Screw Barrel PVC Pipe

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
  • Plastic Processed: PE
  • Automation: Automatic
  • Size: Customize
  • Specification: ISO9001: 2008 approved
  • HS Code: 84779000
  • Type: Sheet Extruder
  • Screw: Twin-Screw
  • Computerized: Computerized
  • Trademark: ZHONGYANG
  • Origin: China(Mainland) Zhejiang
Product Description
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
Conical twin screw barrel
70/140,75/150,80/156, 80/172,90/184 92/188.etc
Screw structure and compression
ratio can be designed according
to different products  &different mixtrues.
 Standard SpecificationsISO9001,
Advantages1.Long time Nitriding Technology 
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.
SKD61 .etc
Nitride Depth0.4mm-0.7mmTechnology1)Longer time Gas Nitriding treatment 
2)special anti-wear & abrasion alloy (bimetallic)
3)tungsten carbide;4)cobalt base alloy
5)stainless steel 6)Gh113 nickel based alloy  
Nitride Hardness950-1050HVPackingWrapped up by film in wooden
Nitride Brittleness≤Grade OnePayment 
T/T , L/C ,Western Union
Surface RoughnessRa0.4umDelivery 
20-30 working days
Screw Straightness0.015mmPort
Alloy HardnessHRC55-62Min. Order1 set
Alloy Depth1.5mm-3.5mmWarranty period: 2-4years(Depends on the plastic raw materials)
Bimetallic: much longer lifetime.
Nitriding timeOver 180 hours
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