General:
Our products: Epoxy glass fiber reinforced entwined tube with complete specification is developed for
110kV~1,000kV composite hollow insulators, reactors, arresters, fuses, mutual inductors, on load tap changers,
transformers and other high-voltage electrical equipment structures, with performance parameters reaching IEC
standards, and nationally advanced level.
Technical specification:
It is entwined by uninterrupted fiber wet method; twining angle, ±50~55 (we can adjust twining angle to reach
your mechanical performance requirement); fiber content (weight ratio), 70~75%; density, 2.00 g/cm3; water
absorption, 0.01 %; axial thermal expansion coefficient, 1.8 E-05 1/K; glass transition temperature, 110~120 ºC;
chemical resisting mineral oil: excellent; solvent and dilute acid: good; tensile elastic modulus, axially 14,000
MPa; tensile strength: axially 280 MPa; tensile strength: annularly 600 MPa; compressive strength: axially 240
MPa; bending strength: axially 350 MPa; shearing strength: 150 MPa; relative dielectric constant: 2-3.2;
dielectric dissipation factor: 0.003-0.015; partial discharge capacity≤5; insulation strength: axially 3~6 kV/mm;
insulation strength: radially 10~12 kV/mm; lightning impact: 110 KVP; power frequency impact: 50 KV; thermal
rating: B, F and H; internal diameter>6mm ; external diameter<500mm; length<1,500mm. The above data is only
for reference, our sleeve parameters are customized according to customer demands.
Our Services
| 1. |
Pre sale service |
| a. |
make technical solution |
| b. |
send quotation, technical data sheet and drawing |
| c. |
prepare power transmission plan, testing plan,and shipment plan |
| 2. |
In sale service |
| a. |
supervise the manufacturing schedule totally in accordance with the plan |
| b. |
send photos to customer during every manufacturing process(hold point) |
| c. |
inform the customer one week before testinng. |
| 3. |
After sale service |
| a. |
installation and commissioning, training the workers |
| b. |
quick response within 12 hours any time |
| c. |
provide 12 months gurantee period normally. |
FAQ
| 1. Q: |
What is your delivery time ? |
| A: |
Depend on the type of transformer. |
| 2. Q: |
What is your payment term? |
| A: |
30% advance by T/T , 70% before delivery by T/T or L/C or we can discuss about it. |
| 3. Q: |
What kind of starndard you follow? |
| A: |
IEC, ANSI, CSA, GB, etc |
| 4. Q: |
What kind of supporting documentation you can provide normally |
| A: |
Quotation,outline drawing,manufacturing plan, quality control plan
testing plan, financial report, type test report(KEMA, CESI),reference list,etc |
| 5. Q: |
What is your normal wanrranty period? |
| A: |
12 months after transformer operation. |
| 6. Q: |
Can u do installation and commissioningin user's site? |
| A: |
Yes, we can send our installation team to user's country for service. |
| 7. Q: |
Do you have any experience in this kind of transformer? |
| A: |
Yes, we can provide reference list for check. |
Our advantages:
Quality Assurance
--From the very beginning, VILLE ensures quality in every step to achieve the best quality.
Experience Sharing
--With more than 30 years' experience in power industry, VILLE brings you an optimized solution.
Global Service
--Wherever you are, VILLE global network will support and provide you with value.
Quick Response
--In response to your needs without delay, VILLE knows the value of your time.
Thanks for choosing VILLE as your reliable partner and
please trust both of us will create a brilliant future!
Audited Supplier 
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