Tri-Clamp Fittings

BS4825-3, Weld Ferrule

TC Fittings, TC Ferrule, BS4825-3

Size
(inch)

FLG OD
(mm)

TUBE OD
(mm)

TUBE ID
(mm)

WT
(mm)

G CTR
(mm)

TW
(mm)

L1
(mm)

Part Ordering
Code

0.50"

25.4

12.7

9.4

1.65

20.3

3.63

21.5

CF.BS.0050.6

0.75"

25.4

19.1

15.8

1.65

20.3

3.63

21.5

CF.BS.0075.6

1.00"

50.5

25.4

22.1

1.65

43.5

2.85

21.5

CF.BS.0100.6

1.50"

50.5

38.1

34.8

1.65

43.5

2.85

21.5

CF.BS.0150.6

2.00"

64.0

50.8

47.5

1.65

56.5

2.85

21.5

CF.BS.0200.6

2.50"

77.5

63.5

60.2

1.65

70.5

2.85

21.5

CF.BS.0250.6

3.00"

91.0

76.2

72.9

1.65

83.5

2.85

21.5

CF.BS.0300.6

3.50"

106.0

88.9

84.9

2.00

97.0

2.85

21.5

CF.BS.0350.6

4.00"

119.0

101.6

97.4

2.10

110.0

2.85

21.5

CF.BS.0400.6

4.50"

130.0

114.3

110.3

2.00

122.0

2.85

28.0

CF.BS.0450.6

5.00"

144.4

129.0

125.0

2.00

135.0

5.60

28.0

CF.BS.0500.6

5.50"

155.0

139.7

134.5

2.60

146.0

5.60

28.0

CF.BS.0550.6

6.00"

167.0

154.0

150.0

2.00

156.5

5.60

28.0

CF.BS.0600.6

6.58"

183.0

168.3

163.1

2.60

174.0

5.60

28.0

CF.BS.0658.6

8.00"

217.4

204.0

200.0

2.00

207.4

5.60

28.0

CF.BS.0800.6

8.58"

233.5

219.1

213.9

2.60

225.0

5.60

28.0

CF.BS.0858.6

10.00"

268.0

254.0

250.0

2.00

258.0

5.60

28.0

CF.BS.1000.6

10.75"

286.1

273.1

266.3

3.40

276.0

5.60

28.0

CF.BS.1075.6

12.00"

319.0

304.8

300.8

2.00

308.0

5.60

28.0

CF.BS.1200.6

12.75"

338.0

323.8

315.9

3.95

329.0

5.60

28.0

CF.BS.1275.6

 

* The 5" 144.4mm Flange OD size is not covered by any international standard, the tip width (TW) varies between manufacturers. 

FSPF have standardized on 5.6mm for the tip width.  The 3.6mm version is available only on specific request.

 

BS4825-3, Gaskets / Seals

TC Fittings, TC Gasket, BS4825-3

Size
(inch)

FLG OD
(mm)

 

FLG ID
(mm)

 

G CTR
(mm)

   

Part Code

0.50"

25.40*

 

9.40

 

20.30

 

CG.BS.0050

0.75"

25.40*

 

15.75

 

20.30

 

CG.BS.0075

1.00"

50.50

 

22.10

 

43.50

 

CG.BS.0100

1.50"

50.50

 

34.80

 

43.50

 

CG.BS.0150

2.00"

64.00

 

47.50

 

56.50

 

CG.BS.0200

2.50"

77.50

 

60.20

 

70.50

 

CG.BS.0250

3.00"

91.00

 

72.90

 

83.50

 

CG.BS.0300

3.50"

106.00

 

84.90

 

97.00

 

CG.BS.0350

4.00"

119.00

 

97.40

 

110.00

 

CG.BS.0400

4.50"

130.00

 

110.30

 

122.00

 

CG.BS.0450

5.00"

144.40

 

125.00

 

135.00

 

CG.BS.0500

5.50"

155.00

 

134.50

 

146.00

 

CG.BS.0550

6.00"

167.00

 

150.00

 

156.50

 

CG.BS.0600

6.58"

183.00

 

163.10

 

174.00

 

CG.BS.0658

8.00"

217.40

 

200.00

 

207.40

 

CG.BS.0800

8.58"

233.50

 

213.90

 

225.00

 

CG.BS.0858

10.00"

268.00

 

250.00

 

258.00

 

CG.BS.1000

10.75"

286.10

 

266.30

 

276.00

 

CG.BS.1075

12.00"

319.00

 

300.80

 

308.00

 

CG.BS.1200

12.75"

338.00

 

315.90

 

329.00

 

CG.BS.1275

*Gasket OD Measures 21.8mm but Suits 25.4mm Ferrule Flange OD

 

TC Ferrules - Imperial Sizes
CF.BS.pdf
Adobe Acrobat document [414.0 KB]
TC Gaskets - Imperial Sizes
CG.BS.pdf
Adobe Acrobat document [608.1 KB]

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Flowsource Process Fittings Limited, Unit 4 Marrtree Business Park, Sowerby, Thirsk, North Yorkshire, YO7 3FF. United Kingdom . (e-mail):sales@flowsourcepf.com (Telephone) 01535 274 316