Flange Size

ZheJiang Chengjiu Pipeline Co., Ltd.

Tel: 0086-0570-5012312
Fax: 0086-0570-5012312
E-mail: sales@cheng-jiu.cn

Welding Neck Flange

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Welding Neck Flange

UNI 2280 PN6 WELDING NECK FLANGE

 

RAISED FACE

 

 

 

 


Flange Dimensions & Approximate Masses


ITALY STANDARD UNI 2280 PN6 WELDING NECK FLANGE RF DIMENSIONS TABLE

Directions for the designation

d1

a

b

D

f

h

h1

m

r

s

Holes

Screws

Weight*

Rated
Diameter

External diameter
of the pipe

Kg

15

20

21

55

12

80

11

30

6

28

4

2,5

4

M 10

0,45

21,3

22,5

30

0,45

20

25

26

65

14

90

11

32

6

35

4

2,5

4

M 10

0,66

26,9

28

38

0,66

25

30

31

75

14

100

11

35

6

40

4

2,8

4

M 10

0,83

33,7

34,5

42

0,82

32

38

39

90

14

120

14

35

6

50

6

3

4

M 12

1,18

42,4

43,5

55

1,16

40

44,5

45,5

100

14

130

14

38

7

58

6

3

4

M 12

1,40

48,3

49,5

62

1,38

50

57

58

110

14

140

14

38

8

70

6

3,5

4

M 12

1,58

60,3

61,5

74

1,56

65

76,1

77

130

14

160

14

38

9

88

6

3,5

4

M 12

1,95

80

88,9

90

150

16

190

18

42

10

102

8

3,7

4

M 16

3,07

100

108

109

170

16

210

18

45

10

122

8

3,7

4**

M 16

3,68

114,3

115,5

130

3,56

125

133

134

200

18

240

18

48

10

148

8

4

8

M 16

5,04

139,7

141

155

4,80

150

159

161

225

18

265

18

48

12

172

10

5

8

M 16

5,75

168,3

170,5

184

5,52

175

193,7

195,5

255

20

295

18

52

12

208

10

5

8

M 16

7,22

200

219,1

221

280

20

320

18

55

15

236

10

5

8

M 16

8,16

250

267

269

335

22

375

18

60

15

282

12

5,5

12

M 16

11,4

273

275

290

11,1

300

323,9

326

395

22

440

22

62

15

342

12

6

12

M 20

14,8

350

355,6

357,5

445

22

490

22

62

15

385

12

6,5

12

M 20

19,5

368

370

17,7

400

406,4

408,5

495

22

540

22

65

15

438

12

7

16

M 20

22,5

419

421

20,3

450

457,2

459

550

22

595

22

65

15

476

12

7,3

16

M 20

25,0

500

508

510

600

24

645

22

68

15

538

12

7,3

20

M 20

30,4

600

609,6

611,5

705

24

755

25

70

16

640

12

7,3

20

M 22

38,0

700

711,2

715

810

24

860

25

70

16

740

12

9

24

M 22

45,9

800

812,8

817

920

24

975

30

70

16

842

12

9

24

M 27

55,0

900

914,4

918

1020

26

1075

30

70

16

942

12

9

24

M 27

64,7

1000

1016

1020

1120

26

1175

30

70

16

1045

16

9

28

M 27

70,6

1200

1220

1224

1340

28

1405

33

90

20

1248

16

9

32

M 30

108

1400

1420

1424

1560

32

1630

36

90

20

1452

16

9

36

M 33

153

1600

1620

1624

1760

34

1830

36

90

20

1655

16

11

40

M 33

189

1800

1820

1824

1970

36

2045

39

100

20

1855

16

11

44

M 36 x 3

239

2000

2020

2024

2180

38

2265

42

110

25

2058

16

12

48

M 39 x 3

308

*

 The weight is approximate and calculated on base 7.85 Kg/dm3

**

 For oil piping the flange should have 8 holes


 

Production Capacity & Purchase Details

 

 

1.

Supply Flange Dimension DN15 - DN2000 (1/2" - 80"), Forged Flange.

2.

Material Carbon Steel: RST37.2, C22.8, S235JR, ST37, C21, P235GH, P245GH, P250GH, ASTM A105

3.

Material Stainless Steel: ASTM A182 F304, F304L, F316, F316L, F321 etc.

4.

Flanges Anti Rust: Anti Rust Oil, Black Paint, Yellow Paint Coating, Hot Dipped Galvanized, Cold Galvanized etc.

5.

Monthly Output: 3000 tons per Month.

6.

Delivery Terms: CIF, CFR, FOB, EXW.

7.

Payment Terms: Wire Transfer (T/T), Irrevocable L/C at Sight etc.

8.

Minimum Order Quantity: 1Ton or 100Pcs.

9.

Quality Guarantee: EN10204 3.1 Certificate, Mill Certificate, Third Party Inspection, Free Replacement Service.

10.

Find More Requirements In Flanges Market.



Flange Size

ZheJiang Chengjiu Pipeline Co., Ltd.

Tel: 0086-0570-5012312
Fax: 0086-0570-5012312
E-mail: sales@cheng-jiu.cn

Welding Neck Flange

  1. Home
  2. >
  3. Flange Size
  4. >
  5. Welding Neck Flange
Welding Neck Flange

UNI 2280 PN6 WELDING NECK FLANGE

 

RAISED FACE

 

 

 

 


Flange Dimensions & Approximate Masses


ITALY STANDARD UNI 2280 PN6 WELDING NECK FLANGE RF DIMENSIONS TABLE

Directions for the designation

d1

a

b

D

f

h

h1

m

r

s

Holes

Screws

Weight*

Rated
Diameter

External diameter
of the pipe

Kg

15

20

21

55

12

80

11

30

6

28

4

2,5

4

M 10

0,45

21,3

22,5

30

0,45

20

25

26

65

14

90

11

32

6

35

4

2,5

4

M 10

0,66

26,9

28

38

0,66

25

30

31

75

14

100

11

35

6

40

4

2,8

4

M 10

0,83

33,7

34,5

42

0,82

32

38

39

90

14

120

14

35

6

50

6

3

4

M 12

1,18

42,4

43,5

55

1,16

40

44,5

45,5

100

14

130

14

38

7

58

6

3

4

M 12

1,40

48,3

49,5

62

1,38

50

57

58

110

14

140

14

38

8

70

6

3,5

4

M 12

1,58

60,3

61,5

74

1,56

65

76,1

77

130

14

160

14

38

9

88

6

3,5

4

M 12

1,95

80

88,9

90

150

16

190

18

42

10

102

8

3,7

4

M 16

3,07

100

108

109

170

16

210

18

45

10

122

8

3,7

4**

M 16

3,68

114,3

115,5

130

3,56

125

133

134

200

18

240

18

48

10

148

8

4

8

M 16

5,04

139,7

141

155

4,80

150

159

161

225

18

265

18

48

12

172

10

5

8

M 16

5,75

168,3

170,5

184

5,52

175

193,7

195,5

255

20

295

18

52

12

208

10

5

8

M 16

7,22

200

219,1

221

280

20

320

18

55

15

236

10

5

8

M 16

8,16

250

267

269

335

22

375

18

60

15

282

12

5,5

12

M 16

11,4

273

275

290

11,1

300

323,9

326

395

22

440

22

62

15

342

12

6

12

M 20

14,8

350

355,6

357,5

445

22

490

22

62

15

385

12

6,5

12

M 20

19,5

368

370

17,7

400

406,4

408,5

495

22

540

22

65

15

438

12

7

16

M 20

22,5

419

421

20,3

450

457,2

459

550

22

595

22

65

15

476

12

7,3

16

M 20

25,0

500

508

510

600

24

645

22

68

15

538

12

7,3

20

M 20

30,4

600

609,6

611,5

705

24

755

25

70

16

640

12

7,3

20

M 22

38,0

700

711,2

715

810

24

860

25

70

16

740

12

9

24

M 22

45,9

800

812,8

817

920

24

975

30

70

16

842

12

9

24

M 27

55,0

900

914,4

918

1020

26

1075

30

70

16

942

12

9

24

M 27

64,7

1000

1016

1020

1120

26

1175

30

70

16

1045

16

9

28

M 27

70,6

1200

1220

1224

1340

28

1405

33

90

20

1248

16

9

32

M 30

108

1400

1420

1424

1560

32

1630

36

90

20

1452

16

9

36

M 33

153

1600

1620

1624

1760

34

1830

36

90

20

1655

16

11

40

M 33

189

1800

1820

1824

1970

36

2045

39

100

20

1855

16

11

44

M 36 x 3

239

2000

2020

2024

2180

38

2265

42

110

25

2058

16

12

48

M 39 x 3

308

*

 The weight is approximate and calculated on base 7.85 Kg/dm3

**

 For oil piping the flange should have 8 holes


 

Production Capacity & Purchase Details

 

 

1.

Supply Flange Dimension DN15 - DN2000 (1/2" - 80"), Forged Flange.

2.

Material Carbon Steel: RST37.2, C22.8, S235JR, ST37, C21, P235GH, P245GH, P250GH, ASTM A105

3.

Material Stainless Steel: ASTM A182 F304, F304L, F316, F316L, F321 etc.

4.

Flanges Anti Rust: Anti Rust Oil, Black Paint, Yellow Paint Coating, Hot Dipped Galvanized, Cold Galvanized etc.

5.

Monthly Output: 3000 tons per Month.

6.

Delivery Terms: CIF, CFR, FOB, EXW.

7.

Payment Terms: Wire Transfer (T/T), Irrevocable L/C at Sight etc.

8.

Minimum Order Quantity: 1Ton or 100Pcs.

9.

Quality Guarantee: EN10204 3.1 Certificate, Mill Certificate, Third Party Inspection, Free Replacement Service.

10.

Find More Requirements In Flanges Market.