3640 epoxy tube transformer insulation tube
3640 epoxy tube transformer insulation tube

3640 epoxy tube transformer insulation tube

Price 10000 USD ($)/ Set

MOQ : 1 Unit

3640 epoxy tube transformer insulation tube Specification

  • Dimension (L*W*H)
  • Standard: OD 10 - 300 mm, Length up to 1200 mm
  • Standard
  • IEC 60893, GB/T 1303, DIN 7735
  • Low Voltage
  • As per transformer specification
  • Capacity
  • Depends on tube size and transformer design
  • Rated Voltage
  • Up to 35kV
  • Load Loss
  • Negligible
  • High Voltage
  • Up to 35kV
  • Cooling Type
  • Compatible with both oil and air cooling
  • Operating Temperature
  • -40C to +155C
  • Product Type
  • Epoxy Tube
  • Material
  • Epoxy resin laminated fiberglass
  • Frequency (MHz)
  • 50-60
  • Efficiency
  • High, >98%
  • Phase
  • Applicable for single and three phase transformers
  • Usage
  • Transformer insulation, electrical insulation applications
  • Power Scope
  • Suitable for high and low voltage windings
  • Weight
  • Varies by dimension (typically 200g to 2kg)
  • Volume Resistivity
  • 1.010^14 cm
  • Packaging
  • Standard export packing or as required
  • Flame Retardancy
  • UL 94 V-0
  • Surface Finish
  • Smooth gloss finish
  • Inner Diameter
  • 10 mm to 290 mm (customized on request)
  • Arc Resistance
  • >180 s
  • Humidity Resistance
  • Excellent
  • Dielectric Strength
  • 12 kV/mm
  • RoHS Compliance
  • Yes, environmentally friendly
  • Application Areas
  • Transformer, reactor, switchgear, insulation assembly, electrical machinery
  • Water Absorption
  • <0.1%
  • Flexural Strength
  • 350 MPa
  • Machinability
  • Good, can be cut and machined as required
  • Color
  • Yellow, Green (customizable)
 

3640 epoxy tube transformer insulation tube Trade Information

  • Minimum Order Quantity
  • 1 Unit
  • Supply Ability
  • 10 Units Per Month
  • Delivery Time
  • 60 Days
 

About 3640 epoxy tube transformer insulation tube

3640 epoxy tube transformer insulation tube

  • Light weight (25% steel, 70% aluminium).  
  • High strength
  • It can be very durable in corrosive environments.
  • Not easily deformed, scratched or ruptured  
  • Suitable for transparent radome and radio sleeve.  
  • Suitable for electrical and thermal insulation.    
  • Heat resistant grades are F (150 degrees), H (180 degrees), C (220 degrees), 250 degrees or more  
  • Flame retardant (UL94:V0.V1)
  • Waterproof
  • You can choose colors (light green is the natural color, other colors can be customized).

Table 1, unit (mm)

Nominal internal

Min Wall-thickness

Bore tolerance

Wall-thickness Wall-thickness

630

3.6

c0.30

0.30

3080

4.0

0.40

0.40

80150

5.0

0.50

0.50

 Nominal length and tolerance are shown in Table 2

Table 2, unit (mm)

Nominal length

Tolerance

900

5

490

2

320

1

 

Physical, mechanical, and dielectric properties are shown in Table 3

Table 3, unit (mm)

Number

Index name

Unit

Index

One

Specific gravity, no less than


1.40

Two

 

Bending strength, no less than

Kgf/cm2

1800

Three

Tensile strength

Kgf/cm2

700

Four

Shear strength

Kgf/cm2

150

Five

Volume resistivity, no less than

cm


Normal time


1012

After soaking


1010

Six

Parallel layer to layer insulation resistance, no less than


Normal time


1010

After soaking


107

Seven

Tangent of dielectric loss angle at frequency 50Hz, no higher than


0.030

Eight

Vertical layer to withstand voltage, at 90 + 2 degrees Celsius transformer oil, pressure 5 minutes

Kv


Wall-thickness1.5mm


12

Wall-thickness2.0mm


14

Wall-thickness2.5mm


16

Wall-thickness3.0mm


18



Advanced Electrical Insulation Performance

The 3640 epoxy tube delivers robust insulation for transformers and electrical machinery, backed by high dielectric strength and exceptional arc resistance (>180 s). Its performance aligns with international standards like IEC 60893, GB/T 1303, and DIN 7735, ensuring reliability in demanding applications and challenging operational conditions.


Customizable Dimensions and Versatile Applications

Available in a wide range of inner diameters (10290 mm) and lengths up to 1200 mm, these tubes can be tailored for unique project specifications. They are applicable across single and three phase transformers, both high and low voltage windings, and suited for reactors, switchgear, and various insulation assemblies.


Durability and Environmental Assurance

Manufactured with epoxy resin laminated fiberglass, the tube boasts excellent humidity resistance, negligible load loss, and strong machinability. Its flame retardancy (UL 94 V-0) and RoHS certification reflect a commitment to safety and environmental standards, making it a trusted solution for sustainable installation needs.

FAQs of 3640 epoxy tube transformer insulation tube:


Q: How does the 3640 epoxy tube enhance transformer insulation?

A: The 3640 epoxy tube provides high dielectric strength (12 kV/mm) and outstanding volume resistivity (1.010^14 cm), ensuring crucial electrical isolation and minimizing the risk of electrical breakdown in transformer and machinery insulation applications.

Q: What is the process for customizing tube dimensions or colors?

A: Customization is straightforward: you can specify inner diameter (10290 mm), length (up to 1200 mm), and color preference (yellow, green, or tailored on request) when ordering. Our manufacturing process will tailor the tube to your requirements and project needs.

Q: When should the 3640 epoxy tube be used in electrical systems?

A: Use this tube whenever high-reliability insulation is required, especially in transformers, reactors, switchgear, or other assemblies operating up to 35 kV. Its durable, flame-retardant construction is suited for both oil and air-cooled systems.

Q: Where can these insulation tubes be installed?

A: They are designed for installation in power and distribution transformers, switchgear, insulation assemblies, and other electrical equipment that demands high-voltage resistance and stable performance across variable environmental conditions.

Q: What are the main benefits of using this insulation tube?

A: Key benefits include high efficiency (>98%), mechanical strength, excellent electrical insulation, low water absorption, resistance to humidity and arc, environmental friendliness (RoHS compliant), and compatibility with both high and low voltage setups.

Q: How can the tube be processed and installed?

A: Thanks to its good machinability, the tube can be cut, bored, or shaped as required without compromising structural integrity. Installation involves fitting the tailored tube into the designated winding or section of the electrical assembly.

Q: Is the 3640 epoxy tube compliant with international safety and environmental standards?

A: Yes, it conforms to IEC 60893, GB/T 1303, and DIN 7735 standards and holds a UL 94 V-0 rating for flame retardancy. Additionally, it is RoHS compliant, ensuring environmental safety and suitability for global applications.

Tell us about your requirement
product

Price:

Quantity
Select Unit

  • 50
  • 100
  • 200
  • 250
  • 500
  • 1000+
Additional detail
Mobile number

Email

More Products in Transformer Insulation Material Category

CNC Insulation Parts Machining Center

CNC Insulation Parts Machining Center

Price 10000 USD ($) / Set

Minimum Order Quantity : 1 Unit

Dimension (L*W*H) : Approx. 2800 x 2200 x 2100 mm

Phase : Other,

Rated Voltage : AC 380V / 415V, 3 Phase

Fiber Glass Taping Machine

Fiber Glass Taping Machine

Price 10000 USD ($) / Set

Minimum Order Quantity : 1 , , Unit

Dimension (L*W*H) : 2200 mm x 900 mm x 1300 mm

Phase : Other, Single and Three Phase options available

Rated Voltage : 220V / 380V

Capacity : Suitable for wire diameters 1 mm to 18 mm

Paperboard Cutting Machine

Paperboard Cutting Machine

Price 10000 USD ($) / Set

Minimum Order Quantity : 1 Unit

Dimension (L*W*H) : 2100 x 1500 x 1400 mm

Phase : Three Phase

Rated Voltage : 415 V

Capacity : Continuous Operation

Paperboard Roll Bending Machine

Paperboard Roll Bending Machine

Price 10000 USD ($) / Set

Minimum Order Quantity : 1 Unit

Dimension (L*W*H) : 2750 mm x 1150 mm x 1350 mm

Phase : Other, Threephase

Rated Voltage : 380 V

Capacity : Up to 100 rolls/hour



Back to top