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Home > Products > Porcelain Insulator > Station Post Insulator > Porcelain Station Post Insulator TR-231
Porcelain Station Post Insulator TR-231
  • Porcelain Station Post Insulator TR-231

Porcelain Station Post Insulator TR-231

    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF
    Min. Order: 1000 Piece/Pieces
    Delivery Time: 30 Days

Basic Info

Model No.: TR-231

Color: Brown , Light Grey

Place Of Origin: Fuzhou,China

HS Code: 85462090

Application: High-voltage

Material: Porcelain

Structure: Post Insulator

Usage: High Voltage Power Transmission

Connection Method: Trough Type

Certification: SGS, ISO9001

Additional Info

Packaging: Carton, Wooden case, Sack

Transportation: Ocean,Land


Product Description

Porcelain Station Post Insulator TR-231

1. This outdoor Post Insulator is solid-core station post insulators.
2. Type for this solid core station post insulator is TR-231, TR-267, TR-278
3. Standard: comply with the ANSI standard C29.9
4. Brown or grey Other color can be designed according to requirement
5. Advise model No.or supply drawing when enquire

ANSI Class TR-231
Creepage Distance/mm 940
Cantilever Strength/kn 17.8
Tensile Strength/kn 111.2
Torsional Strength/k.m 2.26
Compression Strength/kn 133
Low Frequency Flashover Voltage Dry /kv 145
Wet/kv 100
Critical Impulse Flashover Voltage Pos/kv 225
Neg/kv 290
Low Frequency Withstand Voltage Dry/kv 95
Wet/kv 80
Impulse Withstand Voltage/kv 200
Net Weight/kg 25
Applicable Standard ANSI C29.9

post insulator

Our Services

1. Small Orders Accepted
2. Fast producing time, Prompt Delivery
3. International Approvals
4. Reply promptly in 24 hours
5. Best Price


1. Q: How about payment terms?
A: 30% TT deposit + 70% TT before shipment,50% TT deposit + 50% LC balance, Flexible payment can be negotiated.
2. Q: Do you have some videos where we can see the line producing?
A: Yes, we can provide some videos for reference.
3. Q: Are you a Manufacture Factory?
A: Yes. We are the direct manufacture factory, and our factory has specialized in Porcelain Insulator,Composite Insulator,Glass Insulator,arrester, Cold And Heat Shrinkable Tube, Cut Out Fuse and Power Fitting ,etc.

4. Q: How long is producing time ?

A: Normally it will take about 30 days for production.

5. Q: What is the standard of package ?
A: For small capacity, we use carton, but for big capacity, we will use strong wooden case for protection or double inner packs in a master carton.
6. Q: How do you make sure your good quality ?

A: We use the best raw material , and every single product will go through a series of strict test.



porcelain insulator

We warmly welcome friends both domestic and abroad to visit our company, if you have any questions, please contact with us directly.

Looking for ideal Outdoor Post Insulator Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Pin Post Insulator 20 Kv are quality guaranteed. We are China Origin Factory of Post Insulator 115kv. If you have any question, please feel free to contact us.

Product Categories : Porcelain Insulator > Station Post Insulator

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