220kv Station Post Insulator

220kv Station Post Insulator

The manufacturer shall carry out, at his own expense, the routine tests; specified in IEC 60383. The routine tensile load shall be 50% of the electromechanical failing load.

Product Introduction

This Polymer Deadend Insulator, Pin Insulator Polymer, 15kV Composite Deadend insulators is widely used in many fields with complete product specifications and stable quality. We adhere to strict quality control standards at every step of our production process. Our global network of suppliers and partners enables us to provide unmatched value to our clients. We are a reliable partner that our customers can trust. We are committed to selling the products produced by the company to all parts of the world with high quality and reasonable prices.

Post Insulators 16kN With Top And Bottom Flange.

Detailed Description

Rated Voltage:

72.5kV

SCL:

16kN

Type:

Station Post

Type Test:

Provide

Material:

Composite, Polymer

Sample Available:

Yes

 

Reasonable Design and Excellent material

 

End Fittings

Core

Sheds and Housing

Materials: Hot dip galvanized cast iron or cast steel

Epoxy & Glass Fiber

HTV Silicone Rubber

Min. thickness of the galvanization: 86μm

Rod Diameter: Φ70mm

Color: Gray,Red

station post insulators

 Technical Data

Rated Voltage
(kV)

Height
(mm)

Dry Arcing Distance
(mm)

Creepage Distance
(mm)

Specified Cantilever Load
(SCL)

Max. Design Cantilever Load
(MDCL)

Max. Design Torsion Load
(MDTol)

Dry Power Frequency Withstand Voltage
(kV)

Lightning Impulse Withstand Voltage
(kV)

72.5

770±1

682mm

1813

16kN

10kN

1.2kN • m

165

325

 

Post Insulators Inspection and Testing

1.1Type Tests

The following type tests as per the relevant standard shall be conducted on the Insulators of identical design to prove that the offered insulator satisfies all the design requirements set out in this specification.

(i)Verification of the dimensions

(ii)Mechanical failing load

(iii)Thermal-mechanical performance test

(iv)Dry lightning impulse withstand voltage test

(v)Wet Power-frequency withstand voltage test

 

1.2Routine Tests

The manufacturer shall carry out, at his own expense, the routine tests; specified in IEC 60383. The routine tensile load shall be 50% of the electromechanical failing load.

(i)Routine visual inspection

(ii)Routine mechanical test

(iii)Routine electrical test

 

1.3Acceptance Tests

(i)Verification of the dimensions

(ii)Mechanical failing load test

 

 

tes

Marking

Each Post Insulators unit is marked with the name or trade mark of the manufacturer and the year of manufacture in accordance with IEC 61952 and means to ensure a system of trace-ability for each of the component parts. In addition, each insulator unit is marked with the specified mechanical failing load in conformity with lEC 61952 and client' requirements.

 

Package and Transportation

Insulator units shall be packed in plywood cases or solid wood cases. The packing shall afford adequate protection for the insulators during handling and shipping. We can provide CO(Original Certificates) if client need.

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Competitive Price for 220kv Station Post Insulator. We have a complete after-sales system to provide customers with pre-sales, in-sales and after-sales services. We will use full enthusiasm, strong financial resources, and professional talents, making use of the huge network market and advanced corporate management concepts, to achieve sustainable progress.

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