Standard Disk Suspension Type Glass Insulator

★ Spontaneous detonations at insulation value, convenient for visual inspections
★ Good arc resistance performance
★ Good self-cleaning performance and not easy to age
★ Large main capacitance and uniform voltage distribution

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We are focused on  electric industry for years, with rich experience in glass insulator and overhead line fittings.  Our main products including: toughened glass insulator, helical line products, overhead line fittings, etc.  All products can meet 10-800 KV voltage line’s requirements; maximum tension strength is more than 550KN. We have successfully supplied products for more than 100 projects at home and abroad, our clients located in African, Asian and South American countries. Zhengzhou Cathay will be your reliable partners.


insulator overview


Product name:standard disk suspension          Place of origin: China                     

Material: glass                                                         Size: Customized size                      

Radio Interference Voltage(µV):≤50                   Corona Test(pin&cap)(kV): 18/22              

Power Frequency Electric Arc Test: 0.12S/20kA


insulator parameters



The Parameters of Standard Type Toughened Glass Suspension Insulator (GB & IEC):

IEC Type
Drawing Number
Diameter D
Spacing H
Creepage Distance L
Size of Coupling
Mechanical Failing Load
Mechanical Routine Test
Power Frequency Withstand Voltage (DRY)
Power Frequency Withstand Voltage (WET)
Lighting Impulse Withstand Voltage
Net Weight Per Unit

U70BL/146

1

255

146

320

16

70

35

70

40

100

3.6

U70BS/127

1

255

127

320

16

70

35

70

40

100

3.5

U100BL/146

1

255

146

320

16

100

50

70

40

100

4.0

U100BS/127

1

255

127

320

16

100

50

70

40

100

4.0

U120B/146

1

255

146

320

16

120

60

70

40

100

4.2

U120B/127

1

255

127

320

16

120

60

70

40

100

4.0

U160BL/170

1

280

170

400

20

160

80

75

45

110

6.5

U160B/155

1

280

155

450

20

160

80

75

45

110

6.3

U160B/155

1

280

155

400

20

160

80

75

45

110

6.3

U160BS/146

1

280

146

400

20

160

80

75

45

110

6.3

U210B/170

1

280

170

460

20

210

105

85

45

125

6.9

U210B/170

1

280

170

400

20

210

105

75

45

110

6.9

U240B/170

2

280

170

400

24

240

120

75

45

110

6.9

U240B/170

2

280

170

460

24

240

120

85

50

110

6.9

U300B/195

3

320

195

485

24

300

150

85

50

130

10.6

U420/205

3

360

205

550

28

420

210

90

55

140

16.0

U550B/240

3

380

240

620

32

550

275

95

55

145

21.5


insulator features

 Standard suspension insulator

1、Glass insulators have the unique ability to spontaneous detonate at insulation value, convenient for visual inspections.


 Standard suspension insulator

2、The surface of glass insulator which has been subject to lightning burns in service is still smooth and covered with toughened internal stress protective layer, it makes the glass insulator maintains enough insulating performance and machanical strength.

 Standard suspension insulator

3、The glass insulator has good self-cleaning performance and not easy to age. 


 Standard suspension insulator

4、The glass insulator also has the advantage of large main capacitance and uniform voltage distribution.

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1. What's your advantage?

We focus on providing high-quality power fittings for many years, and will give you the most suitable price and comfortable after-sales service.

2. What's the payment term?

T/T or L/C at sight.

3. How's the delivery time?

Generally, it will take 20 to 40 days after receiving your advance payment. The specific delivery time depends on the products and the quantity of your order.

4. Can I have some samples?

Few pcs of product's samples are available, but the freight should be collected.

5. What's the standard of package?

We usually pack our goods in cartons or pallets. We can also pack them according to your special requirements.

6. How about the transport?

If the number of goods is small we usually use DHL and some express you offered. If the number of the goods is big usually by sea or by air.

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