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China factory - Jiaxing Chuanqi Machinery Equipment Co., Ltd.

Jiaxing Chuanqi Machinery Equipment Co., Ltd.

  • China,Jiaxing ,Zhejiang
  • Verified Supplier
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  3. Uniform Product Quality & Stable Melt Flow from Dual Metering Pumps – PP Band
China Uniform Product Quality & Stable Melt Flow from Dual Metering Pumps – PP Band
China Uniform Product Quality & Stable Melt Flow from Dual Metering Pumps – PP Band

  1. China Uniform Product Quality & Stable Melt Flow from Dual Metering Pumps – PP Band

Uniform Product Quality & Stable Melt Flow from Dual Metering Pumps – PP Band

  1. MOQ： 1SET
  2. Price：
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Payment Terms T/T
Supply Ability 10SETS
Delivery Time 60DAYS
Packaging Details WOODEN BOX
Quantity 2 units
Displacement 50cc
Drive Power 3KW ×2
Function Stabilize pressure & flow
Effect Dimensional consistency ≤±0.05mm
Reliability Redundant design
Core Value Improves product uniformity
Brand Name CHUQI
Model Number CQ-SPP120-6
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 10SETS
Delivery Time 60DAYS Packaging Details WOODEN BOX
Quantity 2 units Displacement 50cc
Drive Power 3KW ×2 Function Stabilize pressure & flow
Effect Dimensional consistency ≤±0.05mm Reliability Redundant design
Core Value Improves product uniformity Brand Name CHUQI
Model Number CQ-SPP120-6 Place of Origin CHINA
High Light Dual metering pumps for PP strapping ，Stable melt flow pumps production line ，Uniform quality PP strapping pumps
Dual Metering Pumps Ensuring Stable Melt Flow and Uniform Product Quality
Product Introduction

Melt pressure stability is the core guarantee for dimensional uniformity of extruded products. This production line is equipped with two high-precision metering pumps (50cc) between the extruder and the die. The metering pumps smooth out pressure fluctuations caused by screw rotation through forced, pulse-free gear output, ensuring constant melt flow and stable pressure into the 1-out-6 die. This design significantly improves dimensional consistency among the 6 strands and along the product length, controlling width and thickness tolerances stably within ±0.05mm. It is a key technology for achieving high-quality, high-uniformity products.

Main Specifications
  • Number of Metering Pumps: 2 units
  • Displacement: 50cc
  • Drive Method: 4 powered drives (dual or independent per pump)
  • Motor Power: 3KW * 2 units
  • Function: Pressure stabilization, flow stabilization, eliminating extrusion pulsation
  • Installation Position: After extruder and screen changer, before die
Technical Parameters
Item Parameter / Description
Number of Pumps 2 units
Displacement per Pump 50 cc/rev
Drive Motor Power 3KW * 2 units
Working Medium PP melt
Temperature Control Independent heating, linked with extruder temp. control
Pressure Fluctuation Suppression Melt pressure fluctuation ≤±1%
Applicable Extruder φ120mm single screw
Customer Questions & Answers
Q: Why two metering pumps instead of one?
A: Two pumps in parallel or series distribute melt more evenly to the 6 channels of the 1-out-6 die. Each pump handles part of the channels, reducing the risk of uneven distribution from a single pump outlet, and provides redundancy for higher reliability.
Q: Do metering pumps increase melt pressure? Do they affect the extruder?
A: Metering pumps do create some backpressure, but they are active conveying devices, not resistance elements. With proper sizing, the pump inlet pressure remains stable, imposing no additional load on the extruder. Instead, they isolate screw fluctuations, making the extruder operate more smoothly.
Q: Do metering pumps need separate heating? How is temperature controlled?
A: Yes. The pump bodies have independent heaters, and temperature is controlled in coordination with the extruder die head temperature to prevent melt from cooling and solidifying inside the pump. Control accuracy is also ±1°C.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2012

  • Total Annual:

    5000000-8000000

  • Employee Number:

    50~60

  • Ecer Certification：

    Verified Supplier

Jiaxing Chuanqi Machinery Equipment Co., Ltd. is a high-tech enterprise that specializied in the research and develop and manufacture of Paper strap production line, PP box strap production line and all kinds of automatic winder and PP PET strapping.   Vision: Committed to becoming t... Jiaxing Chuanqi Machinery Equipment Co., Ltd. is a high-tech enterprise that specializied in the research and develop and manufacture of Paper strap production line, PP box strap production line and all kinds of automatic winder and PP PET strapping.   Vision: Committed to becoming t...

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  • Jiaxing Chuanqi Machinery Equipment Co., Ltd.
  • Yucheng town, Haiyan County, Jiaxing City, Zhejiang Province, China
  • https://www.strappingwinder.com/

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