Stress Control Tube
  • Stress Control TubeStress Control Tube

Stress Control Tube

The Heat Shrinkable Stress Control Tube in cable accessories is mainly used to relieve the electrical stress at the outer shielding cut of the shielding end of dispersed cross-linked power cable. As the menufacturer in China, HUAYI CABLE ACCESSORIES Co.,Ltd.also support custom the stress control tube lengths.

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Product Description

Stress Control Tube


1.Product Introduction 


The Heat-shrinkable stress control tube refers to a casing used to shield the electrical stress at the termination of a cable. A new theory of stress control for high voltage cable terminal is developed, and a heat shrinkable stress control tube with appropriate impedance value is developed. Heat shrinkable stress tubes can be prepared for cables with different voltages and cross sections. The test proves that the electrical and thermal properties are stable and reliable even after regular operation. The cable terminal designed by heat-shrinkable semiconductor stress tube can meet various test standards.


Stress Control Tube


Our company has an independent factory site with the building area of 27000 square meters, the land area of more than 14300 square meters. Product testing equipment is complete, with nano electron accelerator, injection moulding machine, rubber molding machine and other production and manufacturing equipment. Also it has high pressure screening test center, fully meet the needs of product inspection and testing.


Stress Control Tube factory


Our products, including Stress Control Tube, have passed ISO9001: 2015 quality management system, ISO14001 environmental management system and OHSAS18001 occupational health and safety management system and the national production safety standardization certification, full implementation "6S" production management system, realize products zero defect, dedicated to provide customers with stable quality, reliable performance and high added value high quality products.

Stress Control Tube certificate


2.Product Parameter (Specification) 


Technical Specification

Test Item

Parameters

Hardness (Shaw A)

90

Tensile Strength (MPa)

≥12

Elongation at Break (%)

≥400

Volume Resistivity (Ω.cm)

≥1*1014

Breakdown Strength (kV/mm)

≥25

Permittivity (ε)

<2.5

Shrinkage Temperature (℃)

120~140

Radial Shrinkage Ratio (%)

250

Length Shrinkage Ratio (%)

±5

Oxygen Index (OI)

≥27


The technical parameters for the Stress Control Tube.


3.Product Feature And Application 


The function of the stress control tube is to evacuate the electrical stress at the outer shield cut at the end of the 10-35kV crosslinked power cable. The bending degree of the cable branch tends to be gentle. The base material of the stress control tube is usually polar polymer, and then the filler with high dielectric constant is added to achieve the effect of insulation and sealing. 

4.Product Details 


The Details of the Stress Control Tube 


Stress Control Tube


5.Product Qualification 


The production of heat-shrinkable cable accessories needs to go through a series of processes such as Mixing → Forming → Irradiation → Expansion → Gluing. Shape memory effect of polymer materials is the basic principle of fabricating heat-shrinkable materials. The characteristics of the polymer material itself give the heat shrinkable cable accessories with good electrical and mechanical properties, light weight, easy installation and other advantages. The product is waterproof, stress control, shielding, insulation in one, can be used in a variety of harsh environmental conditions for a long time. Widely used in Electric Power Industry, Petroleum Industry, Chemical Industry, Metallurgy, Railway, Port, Construction and other fields.


Stress Control Tube produce equipment


Our products, including Stress Control Tube, have passed ISO9001: 2015 quality management system, ISO14001 environmental management system and OHSAS18001 occupational health and safety management system and the national production safety standardization certification, full implementation "6S" production management system, realize products zero defect, dedicated to provide customers with stable quality, reliable performance and high added value high quality products.


Stress Control Tube test report


6.Deliver, Shipping And Serving 


1. Your inquiry will be replied within 24 hours.
2. We offer you professional service in fluent English.
3. Keep the mass production as the sample in high quality
4. Freight forwarder: faster, safer, and convenient.
5. Quality: we have QC on each process,provide high quality products.
Any problem or needed please feel free let us know, we are glad to service for you
We are factory, we can provide competitive price. And all the products will be shipped after quality inspection. Usually we quote within 24 hours after we get your inquiry. If you can not buy our product in your local area, we will ship a sample to you (Please contact our agent or send email to our mailbox).


Stress Control Tube packing


7.FAQ

Q1: Are you a factory or trading company?
A1: We are a factory, we can provide competitive price.

Q2: How does your factory do regarding quality control?
A2: All the products will be 100% checked before the shipment.

Q3: When can I get the price?
A3: Usually we quote within 24 hours after we get your inquiry.

Q4: How could I get a sample?
A4: If you can not buy our product in your local area, we will ship a sample to you.You will be charged a sample price plus all related shipping costs.Express delivery charge depends on the quantity of the samples.

Q5: Why choose us?
A5: Welcome to our company, we are a group of creative people.
1.High quality is our obligation
2.Customer first, contact us now!
3.Great service is our mission!
4.Quality is the essence, wealth is the fruit.
5.Your opinion is the driving force of our progress.
6.A smile on your face and a service in your heart.

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