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FUZHOU SINGREE IMP.& EXP.CO.,LTD.

 Tel：86-0591--87508810 Email：sales3@singree.cn

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Company Details

FUZHOU SINGREE IMP.& EXP.CO.,LTD.

[Fujian,China]

Business Type:Distributor/Wholesaler , Manufacturer

Main Mark: Africa , Asia , Middle East

Exporter:91% - 100%

Certs:CE, ISO9001, Test Report

Description:Post in Line Insulator,Line Post Type Insulator,High Voltage Line Insulation

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FUZHOU SINGREE IMP.& EXP.CO.,LTD.

Home > Products > Porcelain Insulator > Line Post Insulator > 57-2 Series Line Post Insulator

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57-2 Series Line Post Insulator

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

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Basic Info

Model No.: 57-21,57-22, 57--23, 57-24, 57-25

Application: Insulators

Type: Solid

Material: Porcelain

Certification: ISO9001

Color: Brown

Additional Info

Packaging: Carton, Wooden case, Sack

Transportation: Ocean,Land

Place of Origin: Fuzhou, China

HS Code: 85462090

Port: FUZHOU

Product Description

57-2 Series Line Post Insulator

High voltage line Post Insulator 57-2 series are made of ceramic and are manufactured to ANSI standards. Porcelain Insulator have passed ISO9001 SQA. Line post type insulator suitable for high voltage line insulation, the 57-2 series Ceramic Line Post Insulator includes 57-21,57-22,57-23,57-24,57-25.

MAIN DIMENSIONS AND STANDARD PARTICULARS

ANSI Class 57-21 57-22 57-23 57-24 57-25

Creepage Distance, mm 356 559 737 1015 1145

Dry Arcing Distance, mm 165 241 311 368 438

Cantilever Strength, kn 12.5 12.5 12.5 12.5 12.5

Low Frequency Flashover Voltage Dry, kv 80 110 125 150 175

Wet, kv 70 100 115 135 160

Critical Impulse Flashover Voltage Pos., kv 130 180 210 255 290

Neg., kv 155 205 260 340 380

Test Voltage to Ground, kv 15 22 30 44 44

Maximum RIV at 1000KHZ, μv 100 100 200 200 200

Net Weight, Each Approx., kg 7.5 10.5 12.7 16.8 19.5

Our Services

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

FAQ:

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 insulator ,arrester ,Abc Cable Fitting,Cut Out Fuse, 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.
insulator machine

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 Post in Line Insulator Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Line Post Type Insulator are quality guaranteed. We are China Origin Factory of High Voltage Line Insulation. If you have any question, please feel free to contact us.

Product Categories : Porcelain Insulator > Line Post Insulator

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MAIN DIMENSIONS AND STANDARD PARTICULARS
ANSI Class		57-21	57-22	57-23	57-24	57-25
Creepage Distance, mm		356	559	737	1015	1145
Dry Arcing Distance, mm		165	241	311	368	438
Cantilever Strength, kn		12.5	12.5	12.5	12.5	12.5
Low Frequency Flashover Voltage	Dry, kv	80	110	125	150	175
Low Frequency Flashover Voltage	Wet, kv	70	100	115	135	160
Critical Impulse Flashover Voltage	Pos., kv	130	180	210	255	290
Critical Impulse Flashover Voltage	Neg., kv	155	205	260	340	380
Test Voltage to Ground, kv		15	22	30	44	44
Maximum RIV at 1000KHZ, μv		100	100	200	200	200
Net Weight, Each Approx., kg		7.5	10.5	12.7	16.8	19.5

57-2 Series Line Post Insulator

57-2 Series Line Post Insulator

Our Services

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