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HOME >> Porducts >>Insulating Joints
The insulating Joint is the key component in natural gas distribution & oil transmission, which is mainly applied in gas reducing station in gas distribution field. The main function is to realize insulation among gas pipelines and between gas station and pipelines in order to avoid the corruption from electricity and chemical reaction and thus to extend the life of use, The product is designed specifically for the leakage problem frequently existed in gas transmission line.
APPLIED STANDARD:
1.Design code:
ASME CODE Section ¢ø Division.1
2.Material

Item

Parts

Material

1

Pug

ASI 5L

2

Flange-¢ñ

Forging

ASTM A105

3

Flange-¢ò

4

Flange-¢ó

5

Insulation Gasket

Epoxy Fiber Glass ASTM D709

6

Seal System

U-ring(Double Seal System)

Viton ASTM D2000

7

Filling

Epoxy resin

8

External coating

Epoxy Paint DFT 300Micron

9

Internal coating

Epoxy Paint DFT 300Micron

10

Sealant

Epoxy resin

¡ö SIZE RANG
DN25(1¡å)~DN1200(48¡å)
¡ö PRESSURE CLASS
ANSI 150~ANSI 1500(Up to ANSI 1500)
¡ö WORKING TEMP
-10~+90¡æ
¡ö TESTING
Hydrostatic test:1.5 times MOP
Electrical resistance:¡Ý100M¦¸(1000 V DC)Under Dry air,25¡æ
Dielectrical voltage:3.5KV/50Hz(1 min) (Can be 5.0 KV up to the request)
¡ö SUITABELE MEDIA
Gas,Oil,Water
¡ö OUTLINE DRAWING
DIMENTION TABLE

PN25/ANSI 150

PN40/ANSI 200

Size

AxS

B

C

D

N.W
(Kg)

AxS

B

C

D

N.W
(Kg)

DN25

¦µ34*4

65

48

250

2.1

¦µ34*4

65

48

250

2.1

DN40

¦µ48*4

82

65

3.5

3.5

¦µ48*4

82

65

300

3.5

DN50

¦µ60*4

98

66

5.2

5.2

¦µ60*4

98

66

350

5.2

DN65

¦µ76*5

112

68

6.5

6.5

¦µ76*5

112

68

350

6.5

DN80

¦µ89*5

127

72

7.5

7.5

¦µ89*5

127

72

400

7.5

DN100

¦µ114*5

150

72

13.2

13.2

¦µ114*5

150

72

400

13.2

DN125

¦µ140*6

190

85

17

17

¦µ140*6

190

85

500

17

DN150

¦µ168*7

230

100

23.3

23.3

¦µ168*7

230

100

500

23.3

DN200

¦µ219*7

272

115

34

34

¦µ219*7

272

115

500

34

DN250

¦µ273*8

325

144

70

70

¦µ273*8

325

144

800

70

DN300

¦µ325*8

378

162

90

90

¦µ325*10

395

203

800

126

DN350

¦µ356*8

457

210

185

185

¦µ356*12

484

205

900

227

DN400

¦µ406*8

535

220

240

240

¦µ406*10

545

218

900

246

DN450

¦µ457*8

520

190

165

165

¦µ457*10

550

250

900

245

DN500

¦µ508*10

630

265

335

335

¦µ508*12

630

265

900

358

DN600

¦µ610*10

695

250

325

325

¦µ610*14

706

315

1000

450

DN700

¦µ711*10

800

250

415

415

¦µ711*14

815

350

1200

630

DN800

¦µ813*12

950

950

706

706

¦µ813*16

960

365

1300

995

PN64/ANSI 300

PN100/ANSI 600

Size

AxS

B

C

D

N.W
(Kg)

AxS

B

C

D

N.W
(Kg)

DN25

¦µ34*4

80

85

250

4.0

¦µ33.4*3.91

90

100

250

5.3

DN40

¦µ48*4

95

90

300

5.0

¦µ48.3*3.91

100

100

300

6.5

DN50

¦µ57*4

108

90

350

6.5

¦µ60.3*3.91

115

105

350

8.5

DN65

¦µ76*5

125

95

350

8.8

¦µ76.1*5.49

135

120

350

13.5

DN80

¦µ89*5

140

95

400

10.5

¦µ88.9*5.49

155

125

500

18.7

DN100

¦µ114*5

165

115

500

18

¦µ114.3*6.02

190

135

500

28

DN125

¦µ140*6

196

120

600

26

¦µ141.3*6.55

220

150

600

41

DN150

¦µ168*7

240

135

600

42

¦µ168.3*7.11

255

170

600

57

DN200

¦µ219*8

278

158

600

51

¦µ219.1*8.18

320

187

600

90

DN250

¦µ273*10

350

186

800

98

¦µ273.1*9.27

372

215

800

138

DN300

¦µ325*12

395

203

800

152

¦µ323.9*9.53

440

235

800

193

DN350

¦µ355.6*8.8

484

205

1000

213

¦µ355.6*12.7

480

255

1000

272

DN400

¦µ406.4*10

490

244

1000

220

¦µ406.4*12.7

550

280

1000

365

DN450

¦µ457*11

570

265

1000

315

¦µ457.2*14.27

600

300

1000

448

DN500

¦µ508*12.5

630

275

1200

421

¦µ508*15.09

685

330

1200

660

DN600

¦µ610*16

720

330

1200

580

¦µ609.6*15.05

815

400

1200

1070

DN700

¦µ711*17.5

815

375

1300

756

¦µ711.2*19.05

900

440

1300

1280

DN800

¦µ813*20

970

410

1300

1220

¦µ812.823.8

1000

480

1300

1650

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