CF Vacuum Fittings / Flanges

Wellgreen offers a complete line of聽CF fittings and flanges. One different vacuum fittings type from聽KF fittings and flanges and ISO fittings and flanges. CF fittings are ideal for ultra-high vacuum environments and are ready to use as received. CF Components, CF Fittings and CF flanges are available in a variety of configurations.

  • Flanges
  • Nipples
  • Elbows
  • Tees
  • Crosses

Features:

  • 1. CF flanges are designed in accordance with ISO 3669 and can be changed upon request.
  • 2. Flange sizes are from CF 16 to CF250.
  • 3. CF flanges are available in both rotatable and non-rotatable models with through holes or tapped holes.
  • 4. Standard materials are 304 and 316L stainless steel.
  • 5. CF products are supplied with a machining finish. Other finishes are also available.
  • 6. Easy assembly or disassembly
  • 7. The system can afford up to Fahrenheit 932 (Celsius 500) for copper gaskets; Fahrenheit 399 (Celsius 204) for Viton gaskets. However, sustained heating above Fahrenheit 302 ( Celsius 150) may result in deterioration of the O-ring.
  • 8. CF flanges are 100 % tested before shipping.
  • 9. Vacuum Range:
    • Copper gasket: >=10-12 Torr
    • Fluorocarbon FKM (Viton) gasket: >=10-8 Torr
  • 10. Seal Temperature Range:
    • Copper: Fahrenheit -325 to 842 (Celsius -200 to 450 )
    • Fluorocarbon FKM (Viton):聽Fahrenheit -4 to 302 ( Celsius -20 to 150)

Applications:

  • 1. High vacuum and ultra high vacuum

cf-parts2

1. ROTATABLE FLANCE
2. INNER
3. SCREW
4. FIXED FLANCE
5. GASKET
6. PLATE NUT
7. NUT

cf-parts1

1.CF FLANGE
2.SCREW
3.NUT
4.GASKET


Nonrotatable Flange (CF-F)

Nonrotatable Flange (CF-F)

Flange
Size

Tube
Size

Dimensions, in. (mm)

A

B

C

D

CF16

3/4″

1.33″ (33.8)

0.30″ (7.5)

1.06″ (26.9)

0.76” (19.3)

CF40

1 1/2″

2.74″ (69.5)

0.50″ (12.7)

2.31″ (58.7)

1.51″ (38.3)

CF63

2 1/2″

4.47″ (113.6)

0.71″ (18.0)

3.63″ (92.1)

2.51″ (63.7)

CF100

4″

5.97″ (151.6)

0.79″ (20.0)

5.13″ (130.3)

4.01″ (101.8)

CF160

6″

7.97″ (202.5)

0.87″ (22.0)

7.13″ (181.0)

6.03” (153.1)

CF200

8″

9.97″ (253.2)

0.97″ (24.7)

9.13″ (231.8)

8.02″ (203.7)

CF250

10″

13.25″ (336.5)

1.12″ (28.5)

12.07″ (306.5)

10.02″ (254.5)


Rotatable Flange (CF-R)

Rotatable Flange (CF-R)

Flange
Size

Tube
Size

Dimensions, in. (mm)

A

B

C

D

CF16

3/4″

1.33″ (33.8)

0.30″ (7.5)

1.06″ (26.9)

0.76″ (19.3)

CF40

1 1/2″

2.74″ (69.5)

0.50″ (12.7)

2.31″ (58.7)

1.51″ (38.3)

CF63

2 1/2″

4.47″ (113.6)

0.75″ (19.0)

3.63″ (92.1)

2.51″ (63.7)

CF100

4″

5.97″ (151.6)

0.85″ (21.5)

5.13″ (130.3)

4.01″ (101.8)

CF160

6″

7.97″ (202.5)

0.94″ (24.0)

7.13″ (181.0)

6.03″ (153.1)

CF200

8″

9.97″ (253.2)

0.97″ (24.7)

9.13″ (231.8)

8.02″ (203.7)

CF250

10″

13.25″ (336.5)

1.12″ (28.5)

12.07″ (306.5)

10.02″ (254.5)


CF Rotatable Flange 90 Degree Elbow

CF Rotatable Flange 90 Degree Elbow

Flange
Size

Tube
Size

Dimensions, in. (mm)

A

B

CF16

3/4″

1.68″ (42.7)

1.33″ (33.8)

CF40

1 1/2″

3.15″ (79.9)

2.74″ (69.5)

CF63

2 1/2″

5.56″ (141.3)

4.47″ (113.6)

CF100

4″

8.75″ (222.2)

5.97″ (151.6)


Rotatable Equal Tee

Rotatable Equal Tee

Flange
Size

Tube
Size

Dimensions, in. (mm)

A

B

C

D

CF16

3/4″

1.86″ (47.2)

0.75″ (19.1)

1.33″ (33.8)

3.72″ (94.4)

CF40

1 1/2″

2.46″ (62.5)

1.50″ (38.1)

2.74″ (69.5)

4.92″ (125.0)

CF63

2 1/2″

3.37″ (85.7)

2.50″ (63.5)

4.47″ (113.6)

6.75″ (171.4)

CF100

4″

4.31″ (109.5)

4.00″ (101.6)

5.97″ (151.6)

8.62″ (219.0)


Half Nipples

Half Nipples

Flange
Size

Tube
Size

Dimensions, in. (mm)

A

B

CF16

3/4″

1.50″ (38.1)

0.62″ (15.7)

CF40

1 1/2″

2.46″ (62.5)

1.37″ (34.8)

CF63

2 1/2″

3.38″ (85.9)

2.37″ (60.2)

CF100

4″

4.33″ (110.0)

3.83″ (97.3)


CF Reducing Cross

CF Reducing Cross

Flange
Size

Tube Size

Dimensions, in. (mm)

T

Tx

A

B

CF40脳CF16

1 1/2″

3/4″

2.46″ (62.5)

1.88″ (47.8)

CF40脳CF25

1 1/2″

1″

2.46″ (62.5)

2.29″ (58.2)

CF50脳CF16

2″

3/4″

3.22″ (81.8)

2.12″ (53.8)

CF50脳CF40

2″

1 1/2″

3.22″ (81.8)

2.71″ (68.8)

CF63脳CF40

2 1/2″

1 1/2″

3.38″ (85.9)

2.96″ (75.2)

CF63脳CF50

2 1/2″

2″

3.38″ (85.9)

3.48″ (88.4)

CF80脳CF50

3″

2″

3.53″ (89.7)

3.72″ (94.5)

CF80脳CF63

3″

2 1/2″

3.53″ (89.7)

3.62″ (91.9)

CF100脳CF40

4″

1 1/2″

4.29″ (109.0)

3.83″ (97.3)

CF100脳CF50

4″

2″

4.29″ (109.0)

4.21″ (107.0)

CF100脳CF63

4″

2 1/2″

4.29″ (109.0)

4.13″ (105.0)

CF100脳CF80

4″

3″

4.29″ (109.0)

4.02″ (102.0)


*For more information of CF Vacuum Fittings / Flanges, please feel free to聽contact us.


If you would like a quotation or further information on this product, please fill in the form below and we will reply to you within 1 working day.

We will answer your email shortly!