Close

Please select your country or region to be
directed to the appropriate Lesker site.

Representative Image

CF to ASA Nipple — Flat & Grooved

Adapter flanges allow the mating of one type of flange system to another. All of our flange adapters are manufactured from 304 series stainless steel tubing and flanges.

Online Custom Nipple Builder
Can't find the right length? Build your own
configuration TODAY! Click Here ▶
Contact Us
Contact Us
To contact someone directly, please click here, or call +1 412 387 9200 to get in contact with your dedicated sales team.
Note:
  • Mixing flange types using adapters is possible but not recommended unless necessary to match existing components or fittings. However, using one flange type for chamber-mounted components and another type for foreline components is common practice.

Got VacuCADSM?
VacuCAD is a free library containing thousands of 2D CAD drawings (in DXF format) and 3D Models (in STP format) for many of our standard vacuum components and chambers. Please Log in

Ordering Table

(Click column headers to sort data)

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 +1 412 387 9200 or email international@lesker.com with your inquiry.

Accessories Table

Description For Per Package
VacuCADSM
Part Number Price In Stock Add Item
Description For Per Package
VacuCADSM
Part Number Price In Stock Add Item
Gasket, Copper, DN16CF (1.33" OD) Flange , 0.837" OD, 0.640" ID, (10) Per Package All 1-1/3" (DN16CF) Flanges 10
(please log in)
GA-0133
$21.05 In Stock
Gasket, Copper, DN25 (2.125" OD) Flange, 1.291" OD, 1.010" ID, (10) Per Package All 2-1/8" (DN25CF) Flanges 10
(please log in)
GA-0212
$24.05 In Stock
Gasket, Copper, DN35CF-DN40CF (2.75" OD) Flange, 1.895" OD, 1.451" ID, (10) Per Package All 2-3/4" (DN35-DN40CF) Flanges 10
(please log in)
GA-0275
$27.35 In Stock
Gasket, Copper, DN50CF (3.375" OD) Flange, 2.425" OD, 2.010" ID, (10) Per Package All 3-3/8" (DN50CF) Flanges 10
(please log in)
GA-0337
$31.10 In Stock
Gasket, Copper, DN63CF (4.50" OD) Flange, 3.243" OD, 2.506" ID, (10) Per Package All 4-1/2" (DN63CF) Flanges 10
(please log in)
GA-0450
$37.20 In Stock
Gasket, Copper, DN75CF (4.625" OD) Flange, 3.598" OD x 3.010" ID, (10) Per Package All 4-5/8" (DN75CF) Flanges 10
(please log in)
GA-0462
$44.25 In Stock
Gasket, Copper, DN100CF (6.00" OD) Flange, 4.743" OD,4.006" ID, (10) Per Package All 6" (DN100CF) Flanges 10
(please log in)
GA-0600
$55.30 In Stock
Gasket, Copper, DN125CF (6.75" OD) Flange, 5.567" OD x 5.010" ID, (10) Per Package All 6-3/4" (DN125CF) Flanges 10
(please log in)
GA-0675
$66.35 In Stock
Gasket, Copper, DN160CF (8.00" OD) Flange, 6.743" OD, 6.007" ID, (10) Per Package All 8" (DN160CF) Flanges 10
(please log in)
GA-0800
$78.40 In Stock
Gasket, Copper, DN200CF (10.00" OD) Flange, 8.743" OD, 8.007" ID, (10) Per Package All 10" (DN200CF) Flanges 10
(please log in)
GA-1000
$96.50 In Stock
Gasket, Copper, DN275CF (13.25" OD) Flange, 11.590" OD, 10.845" ID, (1) Per Package All 13-1/4" CF Flanges 1
(please log in)
GA-1325
$54.30 In Stock
Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 1/4-28 x 1.38" Long Hex Bolts, (25) Hex Nuts, & (50) Flat Washers All 2-1/8" (DN25CF) Flanges 25
(please log in)
HBS25028138
$30.50 In Stock
Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 1/4-28 x 1.38" Long Hex Bolts, (25) Hex Nuts, & (50) Flat Washers All 2-3/4" (DN35-DN40CF) Flanges 25
(please log in)
HBS25028138
$30.50 In Stock
Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 1.75" Long Hex Bolts, (25) Hex Nuts, & (50) Flat Washers All 3-3/8" (DN50CF) Flanges 25
(please log in)
HBS31224175
$39.20 In Stock
Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.00" Long Hex Bolts, (25) Hex Nuts, & (50) Flat Washers All 4-1/2" (DN63CF) Flanges 25
(please log in)
HBS31224200
$33.20 In Stock
Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.00" Long Hex Bolts, (25) Hex Nuts, & (50) Flat Washers All 4-5/8" (DN75CF) Flanges 25
(please log in)
HBS31224200
$33.20 In Stock
Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.25" Hex Bolts, (25) Hex Nuts, & (50) Flat Washers All 6" (DN100CF) Flanges 25
(please log in)
HBS31224225
$39.20 In Stock
Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.25" Hex Bolts, (25) Hex Nuts, & (50) Flat Washers All 6-3/4" (DN125CF) Flanges 25
(please log in)
HBS31224225
$39.20 In Stock
Hex Bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.25" Hex Bolts, (25) Hex Nuts, & (50) Flat Washers All 8" (DN160CF) Flanges 25
(please log in)
HBS31224225
$39.20 In Stock
Hex,bolt, Nut & Washer Set, Stainless Steel, (25) 5/16-24 x 2.50" Hex Bolts, (25) Hex Nuts, & (50) Flat Washers All 10" (DN200CF) Flanges 25
(please log in)
HBS31224250
$30.05 In Stock
Hex Bolt, Nut & Washer Set, Stainless Steel, (30) 3/8-24 x 3.00" Hex Bolts, (30) Hex Nuts, & (60) Flat Washers All 13-1/4" CF Flanges 30
N/A
HBS37524300
$48.25 In Stock
9/16—12 x 1.50" Bolt Sets Size 1 ASA & 1.5 ASA Flanges 4
N/A
HBS563121504
P.O.R. In Stock
5/8—11 x 1.75" Bolt Sets Size 2 ASA & 3 ASA Flanges 4
(please log in)
HBS625111754
$16.10 In Stock
5/8—11 x 1.75" Bolt Sets Size 4 ASA Flanges 8
(please log in)
HBS625111758
$30.05 In Stock
3/4—10 x 2.50" Bolt Sets Size 6 ASA & 8 ASA Flanges 8
(please log in)
HBS751025008
$47.25 Call for Availability
3/4—10 x 2.50" Bolt Sets Size 10 ASA Flanges 12
(please log in)
HBS751025012
$70.35 In Stock
O-Rings (Fluorocarbon) Size 1 ASA Flanges 1
(please log in)
O-V223
$19.50 In Stock
O-Rings (Fluorocarbon) Size 1.5 ASA Flanges 1
(please log in)
O-V231
$8.55 In Stock
O-Rings (Fluorocarbon) Size 2 ASA Flanges 1
(please log in)
O-V238
$21.00 In Stock
O-Rings (Fluorocarbon) Size 3 ASA Flanges 1
(please log in)
O-V247
$21.00 In Stock
O-Rings (Fluorocarbon) Size 4 ASA Flanges 1
(please log in)
O-V258
$34.20 In Stock
O-Rings (Fluorocarbon) Size 6 ASA Flanges 1
(please log in)
O-V266
$23.85 In Stock
O-Rings (Fluorocarbon) Size 8 ASA Flanges 1
(please log in)
O-V274
$21.85 In Stock
O-Rings (Fluorocarbon) Size 10 ASA Flanges 1
(please log in)
O-V278
$24.95 In Stock
Socket Head Cap Screw & Nut Set, Stainless Steel, DN16CF (1.33" OD) Flange, (25) 8-32 x 0.75" Long Socket Head Cap Screws & (25) Hex Nuts All 1-1/3" (DN16CF) Flanges 25
N/A
SBS832075S4-25
P.O.R. In Stock
Gasket Removal Tool, For All Conflat (CF) Flange Sizes All CF Flanges 1
N/A
VZGRT
$38.20 In Stock
Thread Lubricant, 4 Ounce Tube All CF Flanges 1
N/A
VZTL-4OZ
P.O.R. In Stock
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.
Contact Us - CF to ASA Nipple — Flat & Grooved