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Ningbo Rootier Industry & Trade Co., Ltd.

China Manufacturer with main products: Shut off Nozzle, Filter Nozzle, Mixing Nozzle, Pneumatic Nozzle, Needle Type Pneumatic Nozzle, Piston Type Pneumatic Nozzle, Color Mixing...

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Shut off Nozzle Internal Spring Controled

FOB Price: 650.00 - 1200.00 USD/Set
Payment Terms: T/T, Western Union
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China
Packaging Details: Wood Case

Quick Details

  • After-sales Service Provided: No overseas service provided
  • Clamping Force: 200T
  • Brand Name: Rootier
  • Style: Horizontal
  • Condition: New
  • Automatic: Yes
  • Plastic Type: Thermoplastic
  • Model Number: RS-I
  • Type: Preform Injection


Shut Off Nozzle Internal Spring Controled Introduction

Internal spring controlled shut-off nozzle mainly serves to solve the leakage of low density thermoplastic injection process, like PA, PP, PS, PE, which can improve production efficiency and save production cost, and it's used lot in low-frequency injection process.


the needle is drove by internal spring and keep shutting automatically, during injection process, the increased pressure force the needle back to open the channel and ensure proper injection, after injection ends, pressure drops and needle will again lockup by spring and prevent material from leaking out of nozzle.


Auto parts, Electronic components, Package & Housewares

Assembling & Cleaning

the assembling of spring shut off nozzle is very easy and same as standard open nozzle, no require of additional knowledge or equipment, can directly change your current nozzle. Just make sure the assembling space is enough.
in case of cleaning situation, simply disassemble the front nozzle and spring house, remove the plastic by proper tools, if it's tight, remove the front nozzle, start injection process, and it will be pushed out by melt pressure.

Not Applicable Situation

the opening & shutting of spring nozzle is totally decided by melted polymer pressure and not adjustable, which is not quite suitable for some high-speed injection or need precise synchronous control situation.

Max. Injection Rate : 1500 cm3/sec
Actuator : Internal Spring
Open Pressure : 200 Bar (Ref.)
Close Pressure : 80 Bar (Ref.)
Max. Injection Pressure : 2200 Bar
Max. Temperature : 360

Shut Off Nozzle Internal Spring Controled

Max. Injection Rate (PS) Cm3/sec 300 500 1500
Max. Screw Size (Ref.) mm 40 60 140
Nozzle Body Length (L1) mm 74 110 125
Tip Length (L2) mm 17/27 17/27 26/36
Heater Size (G) mm 45*40 45*60 60*70

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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