Plastic Injection Molding Machine Internal Shut off Nozzle

Name: Plastic Injection Molding Machine Internal Shut off Nozzle
Brand: Ningbo Haichen Servo Information Technology Co., Ltd.
SKU: 2341260065

Zhejiang, ChinaNingbo Haichen Servo Information Technology Co., Ltd.

US$50.00

5 sets

Product profile

Customization

Available

After-sales Service

Online

Standard

DIN

Technics

Casting

Feature

Recycle, Degradable

Material

Metal

Condition

New

Heat Treatment

Quenching, Nitride

Rimatallic Rarral Nrncac

Cantrifuna Cacting

Packaging Details

Standard Packing of Nozzle

Application Machine

90-3000ton Plastic Injection Machine

Name

Nozzle

Spare Parts Type

Spare Parts

Spare Part Application

Plastic Injection Molding Machine

Transport Package

Standard Packing of Nozzle

Trademark

Haichen

Origin

China

HS Code

8477900000

Production Capacity

226 Set/Sets Per Month

Key features

Internal Shut-Off Design: Spring-controlled mechanism prevents leakage for low density thermo-plastics like PA, PP, PS, and PE.

OEM and ODM Services: Full customization available from samples with dedicated R&D engineering support.

It is mainly used for low density thermo-plastic injection processes including PA, PP, PS, and PE.

The nozzle supports an injection pressure of up to 2000 bar.

the nozzle include a spring mechanism

it features an internal spring-controlled shut-off mechanism.

It is apply for machine tonnage from 30-3000ton injection molding machine

Company profile

High Repeat Buyers ChoiceExperienced Team

Ningbo Haichen Servo Information Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 8 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤7.33h

AI-Powered supplier vetting

SummaryThe supplier is identified as a China-based limited trading company established in 2016 with nine employees, while the supplied company description also states that a related manufacturing operation was founded in 2005 and specializes in injection molding machinery. Evidence indicates export licensing, international shipments, customization from samples, available SDK support, and warranty-related technical assistance. However, the supplier reports no in-stock service capacity, overseas warehouse, or showroom, and its quality and service procedures lack supporting records. Production scale and organizational status are not fully consistent across the supplied information, so manufacturing capability should be verified before qualification.

CertificationsThe supplier explicitly has a valid import and export license. No other certifications, quality certificates, or compliance credentials are provided, so broader certification holding cannot be confirmed.

R&D capabilityThe supplier is described as a national high-tech enterprise specializing in research and development of injection molding machines, and it reports an available software development kit. These are explicit indicators of product and software-related development capability.

Customization capabilityThe supplier explicitly offers customization from samples, demonstrating a stated ability to adapt products based on customer-provided samples. The information does not define the technical scope, engineering process, or validation controls for such customization.

Client casesThe supplier reports exports to Europe, the Middle East, the Americas, and Southeast Asia, and states that more than 1,000 die-casting machines have been shipped globally. These are evidence of international delivery experience, although named customers, project references, and independently verifiable case details are not provided.

Product Q&A

Q:How do I calculate watt density for a band heater?

A 800W heater on a 40mm wide band around a 50mm nozzle produces approximately 12.7 W/CM2 which exceeds the mica limit.

Q:Should I use mica or ceramic insulation for my nozzle heater?

Choose mica for standard resins at moderate temperatures where fast response and lower cost matter. Choose ceramic for engineering resins above 350 degree, higher watt density demand, or longer service life. Ceramic reaches 650-800 degree C and tolerates up to about 8 W/CM2.

Q:Where should the thermocouple be placed on a nozzle heating band?

Place the sensing bead in the center of the heated band on a straight nozzle, or on the straight section of a reverse-cone nozzle. Avoid the rear edge, where readings run high and mask a cold tip, and avoid contact with the resistance wire. A 0.1mm offset can raise wire drawing defects from 0.2% to 9.8%.

Q:Why does my nozzle freeze off even though the temperature controller shows the setpoint?

The thermocouple likely sits at the rear edge of the band, where it reads a hotter surface than the actual nozzle tip. The controller reduces power based on that false high reading, and the tip cools below the flow threshold. Check thermocouple position before replacing the heater.

Q:How do I test a nozzle heating band with a multimeter?

Infinite resistance means an open element; near-zero means a short; 10-30% above nominal means the element has aged.