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Spectacle Blind Flange

Spectacle Blind Flange

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Spectacle Blind Flange

Pipework (NB)

ØRF

ØID

ØP. C. D.

ØH

T

ØB

A

Lining Thk.

Inches

mm

mm

mm

mm

mm

mm

mm

mm

mm

1"

25

51

19

79.4

16.0

14.3

55

22

3.5

1.1/2"

40

73

34

98.4

16.0

17.5

80

25

3.5

2"

50

92

45

120.6

19.0

19.0

100

27

3.5

2.1/2"

65

105

55

139.7

19.0

22.0

110

30

3.5

3"

80

127

69

152.4

19.0

23.8

135

32

4.0

4"

100

157

45

190.5

19.0

23.8

165

32

4.0

6"

150

216

144

241.3

22.2

25.4

225

35

4.5

8"

200

270

192

298.4

22.2

28.6

278

38

5.0

10"

250

324

241

361.9

25.4

30.2

330

40

5.5

12"

300

381

296

431.8

25.4

31.8

390

40

6.0

Item Des.

Material

Lining

PFA, FEP, PVDF, PP, HDPE

Flange

IS 2062, SA 105N, SS 304, SS 316, SS 316L

Flange Rating

on/off Centers - ASME B 16.5 - Cls. 150, Cls. 300, Cls. 600
BS 10 - Table D, Table E, Table F, Table H, Table J & Table K
DIN Standard - PN 6, PN 10, PN 16, PN 25 & PN 40

Testing Specification

  • 100% Visual Check / Dimensional Check
  • 100% Spark Test at 10 kv after Lining
  • 100% Lining Thk. to be checked.