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ConFlat® (CF) UHV Reducing Tee

We fabricate these CF tees for UHV systems from 304L stainless steel tubing and knife-edge (ConFlat) flanges. The CF flange is the most widely used for high vacuum and UHV applications. Many gauges, instruments, accessories and feedthroughs are available on this flange system.

CF Tees Feature:

One fixed and two rotatable (one on each axis) flanges
Through-hole bolt hole flanges

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Ordering Table

(Click column headers to sort data)

Flange Size/OD (Large)

Flange Size/OD (Small)

Flange Material

Drawing

Tube OD (Small)

Tube OD (Large)

Dim A

Dim B

Description

VacuCAD^SM

Part Number

Price

In Stock

Add To Cart

Accessories

Flange Size/OD (Large)

Flange Size/OD (Small)

Flange Material

Drawing

Tube OD (Small)

Tube OD (Large)

Dim A

Dim B

Description

VacuCAD^SM

Part Number

Price

In Stock

Add To Cart

Accessories

DN35CF-DN40CF (2.75" OD)

DN16CF (1.33" OD)

304L SS

0.75

1.50

2.46

1.87

TEE,REDUCING,2-3/4"OD UHV RUN TO 1-1/3"OD UHV BRANCH

(please log in)

T-0275-133

$178.50

DN35CF-DN40CF (2.75" OD)

DN25CF (2.13" OD)

304L SS

1.00

1.50

2.46

2.29

TEE,REDUCING,2-3/4"OD UHV RUN TO 2-1/8"OD UHV BRANCH

(please log in)

T-0275-212

$248.00

DN50CF (3.38" OD)

DN16CF (1.33" OD)

304L SS

0.75

2.00

3.22

2.13

REDUCING TEE, 3-3/8" UHV ON RUN, 1.33" UHV ON BRANCH

(please log in)

T-0337-133

$479.50

DN50CF (3.38" OD)

DN35CF-DN40CF (2.75" OD)

304L SS

1.50

2.00

3.22

2.71

REDUCING TEE,3-3/8"UHV ON RUN, 2-3/4"UHV ON BRANCH

(please log in)

T-0337-275

$566.50

DN63CF (4.50" OD)

DN35CF-DN40CF (2.75" OD)

304L SS

1.50

2.50

3.38

2.96

TEE,REDUCING,4.5"OD UHVS ON RUN,2-3/4"UHV ON BRANCH

(please log in)

T-0450-275

$500.50

DN63CF (4.50" OD)

DN50CF (3.38" OD)

304L SS

2.00

2.50

3.38

3.48

TEE,REDUCING,4.5"OD UHVS ON RUN,3-3/8"UHV ON BRANCH

(please log in)

T-0450-337

$566.50

DN75CF (4.63" OD)

DN50CF (3.38" OD)

304L SS

2.00

3.00

3.63

3.73

TEE,REDUCING,4-5/8"OD UHVS ON RUN, 3-3/8"UHV ON BRANCH

(please log in)

T-0462-337

$659.00

DN75CF (4.63" OD)

DN63CF (4.50" OD)

304L SS

2.50

3.00

3.63

TEE,REDUCING,4-5/8"OD UHVS ON RUN, 4.5"UHV ON BRANCH

(please log in)

T-0462-450

$687.00

DN100CF (6.00" OD)

DN35CF-DN40CF (2.75" OD)

304L SS

1.50

4.00

4.32

3.71

TEE,REDUCING,6"OD UHVS ON RUN, 2-3/4"UHV ON BRANCH

(please log in)

T-0600-275

$620.00

DN100CF (6.00" OD)

DN50CF (3.38" OD)

304L SS

2.00

4.00

4.32

4.23

TEE, REDUCING, 6" OD, UHVS ON RUN, 3-3/8" UHV ON BRANCH

(please log in)

T-0600-337

$850.00

DN100CF (6.00" OD)

DN63CF (4.50" OD)

304L SS

1.50

4.00

4.32

4.13

REDUCING TEE,6"UHV ON RUN, 4-1/2"UHV ON BRANCH

(please log in)

T-0600-450

$991.50

DN100CF (6.00" OD)

DN75CF (4.63" OD)

304L SS

3.00

4.00

4.32

4.13

Reducing Tee

(please log in)

T-0600-462

P.O.R.

DN125CF (6.75" OD)

DN100CF (6.00" OD)

304L SS

4.00

5.00

4.71

4.82

TEE,REDUCING,6.75"OD UHVS ON RUN, 6"UHV ON BRANCH

(please log in)

T-0675-600

$1,282.00

DN160CF (8.00" OD)

DN35CF-DN40CF (2.75" OD)

304L SS

1.50

6.00

5.50

4.71

TEE,REDUCING,8"OD UHV RUN TO 2.75"OD UHV BRANCH

(please log in)

T-0800-275

$1,169.00

DN160CF (8.00" OD)

DN50CF (3.38" OD)

304L SS

2.00

6.00

5.50

5.23

TEE,REDUCING,8"OD UHV RUN TO 3.375"OD UHV BRANCH

(please log in)

T-0800-337

$1,204.00

DN160CF (8.00" OD)

DN63CF (4.50" OD)

304L SS

2.50

6.00

5.50

5.13

TEE,REDUCING,8"OD UHV RUN TO 4.5"OD UHV BRANCH

(please log in)

T-0800-450

$1,254.00

DN160CF (8.00" OD)

DN100CF (6.00" OD)

304L SS

4.00

6.00

5.50

5.32

TEE,REDUCING,8"OD UHV RUN TO 6"OD UHV BRANCH

(please log in)

T-0800-600

$1,339.50

DN200CF (10.00" OD)

DN160CF (8.00" OD)

304L SS

6.00

8.00

7.50

6.50

TEE,REDUCING,10"OD UHV RUN TO 8"OD UHV BRANCH

(please log in)

T-1000-800

$2,408.50

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Flange Size/OD (Large)

Flange Size/OD (Small)

Flange Material

Drawing

Tube OD (Small)

Tube OD (Large)

Dim A

Dim B

Description

VacuCAD^SM

Part Number

Price

In Stock

Add To Cart

Accessories

Flange Size/OD (Large)

Flange Size/OD (Small)

Flange Material

Drawing

Tube OD (Small)

Tube OD (Large)

Dim A

Dim B

Description

VacuCAD^SM

Part Number

Price

In Stock

Add To Cart

Accessories

DN35CF-DN40CF (69.85 mm OD)

DN16CF (33.78 mm OD)

304L SS

19.050

38.100

62.484

47.498

TEE,REDUCING,2-3/4"OD UHV RUN TO 1-1/3"OD UHV BRANCH

(please log in)

T-0275-133

$178.50

DN35CF-DN40CF (69.85 mm OD)

DN25CF (53.98 mm OD)

304L SS

25.400

38.100

62.484

58.166

TEE,REDUCING,2-3/4"OD UHV RUN TO 2-1/8"OD UHV BRANCH

(please log in)

T-0275-212

$248.00

DN50CF (85.73 mm OD)

DN16CF (33.78 mm OD)

304L SS

19.050

50.800

81.788

54.102

REDUCING TEE, 3-3/8" UHV ON RUN, 1.33" UHV ON BRANCH

(please log in)

T-0337-133

$479.50

DN50CF (85.73 mm OD)

DN35CF-DN40CF (69.85 mm OD)

304L SS

38.100

50.800

81.788

68.834

REDUCING TEE,3-3/8"UHV ON RUN, 2-3/4"UHV ON BRANCH

(please log in)

T-0337-275

$566.50

DN63CF (114.30 mm OD)

DN35CF-DN40CF (69.85 mm OD)

304L SS

38.100

63.500

85.852

75.184

TEE,REDUCING,4.5"OD UHVS ON RUN,2-3/4"UHV ON BRANCH

(please log in)

T-0450-275

$500.50

DN63CF (114.30 mm OD)

DN50CF (85.73 mm OD)

304L SS

50.800

63.500

85.852

88.392

TEE,REDUCING,4.5"OD UHVS ON RUN,3-3/8"UHV ON BRANCH

(please log in)

T-0450-337

$566.50

DN75CF (117.48 mm OD)

DN50CF (85.73 mm OD)

304L SS

50.800

76.200

92.202

94.742

TEE,REDUCING,4-5/8"OD UHVS ON RUN, 3-3/8"UHV ON BRANCH

(please log in)

T-0462-337

$659.00

DN75CF (117.48 mm OD)

DN63CF (114.30 mm OD)

304L SS

63.500

76.200

92.202

TEE,REDUCING,4-5/8"OD UHVS ON RUN, 4.5"UHV ON BRANCH

(please log in)

T-0462-450

$687.00

DN100CF (152.40 mm OD)

DN35CF-DN40CF (69.85 mm OD)

304L SS

38.100

101.600

109.728

94.234

TEE,REDUCING,6"OD UHVS ON RUN, 2-3/4"UHV ON BRANCH

(please log in)

T-0600-275

$620.00

DN100CF (152.40 mm OD)

DN50CF (85.73 mm OD)

304L SS

50.800

101.600

109.728

107.442

TEE, REDUCING, 6" OD, UHVS ON RUN, 3-3/8" UHV ON BRANCH

(please log in)

T-0600-337

$850.00

DN100CF (152.40 mm OD)

DN63CF (114.30 mm OD)

304L SS

38.100

101.600

109.728

104.902

REDUCING TEE,6"UHV ON RUN, 4-1/2"UHV ON BRANCH

(please log in)

T-0600-450

$991.50

DN100CF (152.40 mm OD)

DN75CF (117.48 mm OD)

304L SS

76.200

101.600

109.728

104.902

Reducing Tee

(please log in)

T-0600-462

P.O.R.

DN125CF (171.45 mm OD)

DN100CF (152.40 mm OD)

304L SS

101.600

127.000

119.634

122.428

TEE,REDUCING,6.75"OD UHVS ON RUN, 6"UHV ON BRANCH

(please log in)

T-0675-600

$1,282.00

DN160CF (203.20 mm OD)

DN35CF-DN40CF (69.85 mm OD)

304L SS

38.100

152.400

139.700

119.634

TEE,REDUCING,8"OD UHV RUN TO 2.75"OD UHV BRANCH

(please log in)

T-0800-275

$1,169.00

DN160CF (203.20 mm OD)

DN50CF (85.73 mm OD)

304L SS

50.800

152.400

139.700

132.842

TEE,REDUCING,8"OD UHV RUN TO 3.375"OD UHV BRANCH

(please log in)

T-0800-337

$1,204.00

DN160CF (203.20 mm OD)

DN63CF (114.30 mm OD)

304L SS

63.500

152.400

139.700

130.302

TEE,REDUCING,8"OD UHV RUN TO 4.5"OD UHV BRANCH

(please log in)

T-0800-450

$1,254.00

DN160CF (203.20 mm OD)

DN100CF (152.40 mm OD)

304L SS

101.600

152.400

139.700

135.128

TEE,REDUCING,8"OD UHV RUN TO 6"OD UHV BRANCH

(please log in)

T-0800-600

$1,339.50

DN200CF (254.00 mm OD)

DN160CF (203.20 mm OD)

304L SS

152.400

203.200

190.500

165.100

TEE,REDUCING,10"OD UHV RUN TO 8"OD UHV BRANCH

(please log in)

T-1000-800

$2,408.50

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Flange Selection Guide

With a variety of flanges to choose from, the Flange Selection Guide is designed to help you find one to meet your vacuum requirements. Shop Now!
Can't find the flange you need or want a custom configuration? Please call us at +1 800 245 1656 or email salesus@lesker.com with your inquiry.

Accessories Table

Description

For

Per Package

Note

Manual

VacuCAD^SM

Part Number

Price

In Stock

Add Item

Description

For

Per Package

Note

Manual

VacuCAD^SM

Part Number

Price

In Stock

Add Item

Thread Lubricant, 4 Ounce Tube

All CF Nipples

—

N/A

VZTL-4OZ

$47.00

Gasket Removal Tool, For All Conflat (CF) Flange Sizes

All CF Nipples

—

N/A

VZGRT

$38.50

Hex Bolt & Washer Kit, Stainless Steel, (25) 1/4-28 x 0.875" Long Hex Bolts & (25) Flat Washers

2-3/4" (DN35-DN40CF) Larger CF Flange

—

(please log in)

HBK25028088

$15.60

Gasket, Copper, DN35CF-DN40CF (2.75" OD) Flange, 1.895" OD, 1.451" ID, (10) Per Package

2-3/4" (DN35-DN40CF) Larger CF Flange

—

(please log in)

GA-0275

$34.40

Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 1.75" Long Hex Bolts, (25) Hex Nuts, & (50) Flat Washers

3-3/8" (DN50CF) Larger CF Flange

—

(please log in)

HBS31224175

$39.20

Gasket, Copper, DN50CF (3.375" OD) Flange, 2.425" OD, 2.010" ID, (10) Per Package

3-3/8" (DN50CF) Larger CF Flange

—

(please log in)

GA-0337

$37.15

Hex Bolt & Washer Kit, Stainless Steel, (25) 5/16-24 x 1.25" Long Hex Bolts & (25) Flat Washers

4-1/2" (DN63CF) Larger CF Flange

—

(please log in)

HBK31224125

$31.10

Gasket, Copper, DN63CF (4.50" OD) Flange, 3.243" OD, 2.506" ID, (10) Per Package

4-1/2" (DN63CF) Larger CF Flange

—

(please log in)

GA-0450

$58.90

Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.00" Long Hex Bolts, (25) Hex Nuts, & (50) Flat Washers

4-5/8" (DN75CF) Larger CF Flange

—

(please log in)

HBS31224200

$33.20

Gasket, Copper, DN75CF (4.625" OD) Flange, 3.598" OD x 3.010" ID, (10) Per Package

4-5/8" (DN75CF) Larger CF Flange

—

(please log in)

GA-0462

$60.85

Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.25" Hex Bolts, (25) Hex Nuts, & (50) Flat Washers

6" (DN100CF) Larger CF Flange

—

(please log in)

HBS31224225

$39.20

Gasket, Copper, DN100CF (6.00" OD) Flange, 4.743" OD,4.006" ID, (10) Per Package

6" (DN100CF) Larger CF Flange

—

(please log in)

GA-0600

$75.80

Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.25" Hex Bolts, (25) Hex Nuts, & (50) Flat Washers

6-3/4" (DN125CF) Larger CF Flange

—

(please log in)

HBS31224225

$39.20

Gasket, Copper, DN125CF (6.75" OD) Flange, 5.567" OD x 5.010" ID, (10) Per Package

6-3/4" (DN125CF) Larger CF Flange

—

(please log in)

GA-0675

$93.50

Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.25" Hex Bolts, (25) Hex Nuts, & (50) Flat Washers

8" (DN160CF) Larger CF Flange

—

(please log in)

HBS31224225

$39.20

Gasket, Copper, DN160CF (8.00" OD) Flange, 6.743" OD, 6.007" ID, (10) Per Package

8" (DN160CF) Larger CF Flange

—

(please log in)

GA-0800

$105.30

Hex,bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.50" Hex Bolts, (25) Hex Nuts, & (50) Flat Washers

10" (DN200CF) Larger CF Flange

—

(please log in)

HBS31224250

$30.05

Gasket, Copper, DN200CF (10.00" OD) Flange, 8.743" OD, 8.007" ID, (10) Per Package

10" (DN200CF) Larger CF Flange

—

(please log in)

GA-1000

$131.30

Socket Head Cap Screws, Stainless Steel, (25) 8-32 x 0.50" Long Socket Head Cap Screws

1-1/3" (DN16CF) Smaller CF Flange

—

N/A

SBK832050S4-25

$13.50

Gasket, Copper, DN16CF (1.33" OD) Flange , 0.837" OD, 0.640" ID, (10) Per Package

1-1/3" (DN16CF) Smaller CF Flange

—

(please log in)

GA-0133

$26.35

Hex Bolt & Washer Kit, Stainless Steel, (25) 1/4-28 x 0.875" Long Hex Bolts & (25) Flat Washers

2-1/8" (DN25CF) Smaller CF Flange

—

(please log in)

HBK25028088

$15.60

Gasket, Copper, DN25 (2.125" OD) Flange, 1.291" OD, 1.010" ID, (10) Per Package

2-1/8" (DN25CF) Smaller CF Flange

—

(please log in)

GA-0212

$29.05

Hex Bolt & Washer Kit, Stainless Steel, (25) 1/4-28 x 0.875" Long Hex Bolts & (25) Flat Washers

2-3/4" (DN35-DN40CF) Smaller CF Flange

—

(please log in)

HBK25028088

$15.60

Gasket, Copper, DN35CF-DN40CF (2.75" OD) Flange, 1.895" OD, 1.451" ID, (10) Per Package

2-3/4" (DN35-DN40CF) Smaller CF Flange

—

(please log in)

GA-0275

$34.40

Hex Bolt & Washer Kit, Stainless Steel, (25) 5/16-24 x 1.25" Long Hex Bolts & (25) Flat Washers

3-3/8" (DN50CF) Smaller CF Flange

—

(please log in)

HBK31224125

$31.10

Gasket, Copper, DN50CF (3.375" OD) Flange, 2.425" OD, 2.010" ID, (10) Per Package

3-3/8" (DN50CF) Smaller CF Flange

—

(please log in)

GA-0337

$37.15

Hex Bolt & Washer Kit, Stainless Steel, (25) 5/16-24 x 1.25" Long Hex Bolts & (25) Flat Washers

4-1/2" (DN63CF) Smaller CF Flange

—

(please log in)

HBK31224125

$31.10

Gasket, Copper, DN63CF (4.50" OD) Flange, 3.243" OD, 2.506" ID, (10) Per Package

4-1/2" (DN63CF) Smaller CF Flange

—

(please log in)

GA-0450

$58.90

Hex Bolt & Washer Kit, Stainless Steel, (25) 5/16-24 x 1.25" Long Hex Bolts & (25) Flat Washers

4-5/8" (DN75CF) Smaller CF Flange

—

(please log in)

HBK31224125

$31.10

Gasket, Copper, DN75CF (4.625" OD) Flange, 3.598" OD x 3.010" ID, (10) Per Package

4-5/8" (DN75CF) Smaller CF Flange

—

(please log in)

GA-0462

$60.85

Hex Bolt & Washer Kit, Stainless Steel, (25) 5/16-24 x 1.25" Long Hex Bolts & (25) Flat Washers

6" (DN100CF) Smaller CF Flange

—

(please log in)

HBK31224125

$31.10

Gasket, Copper, DN100CF (6.00" OD) Flange, 4.743" OD,4.006" ID, (10) Per Package

6" (DN100CF) Smaller CF Flange

—

(please log in)

GA-0600

$75.80

Hex Bolt & Washer Kit, Stainless Steel, (25) 5/16-24 x 1.25" Long Hex Bolts & (25) Flat Washers

8" (DN160CF) Smaller CF Flange

—

(please log in)

HBK31224125

$31.10

Gasket, Copper, DN160CF (8.00" OD) Flange, 6.743" OD, 6.007" ID, (10) Per Package

8" (DN160CF) Smaller CF Flange

—

(please log in)

GA-0800

$105.30

Gasket Clips, For All Conflat (CF) Flange Sizes, (10) Per Package

All CF Flanges

—

N/A

VGC0275S

$106.00

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Notes:

This item is a socket head cap screw, not a hex head bolt.

How to Combine Click the checkboxes of the parts you would like to purchase and then click the

button below to add all parts selected into your Cart.