Click to enlargeNW40 to Conflat Adaptors

NW40 (KF40) Flange OD: 2.18" to Non-Rotatable Conflat

Flanges

Tube OD

Conflat Clearance

Bolt Holes

NW40x133

0.75"

1.33" OD CF:  6 Holes

(0.172 Diameter Thru)

NW40x212

1.00"

2.12" OD CF:  4 Holes

(0.265 Diameter Thru)

NW40x275

1.50"

2.75" OD CF:  6 Holes

(0.265 Diameter Thru)

NW40x338

1.50"

3.38" OD CF:  8 Holes

(0.332 Diameter Thru)

NW40x450

1.50"

4.50" OD CF:  8 Holes

(0.332 Diameter Thru)

NW40x462

1.50"

4.62" OD CF:  10 Holes

(0.332 Diameter Thru)

NW40x600

1.50"

6.00" OD CF:  16 Holes

(0.332 Diameter Thru)

NW40x800

1.50"

8.00" OD CF:  20 Holes

(0.332 Diameter Thru)

Above Dimensions Apply To NW40 to CF STRAIGHT Reducers

NW40 to Conflat Straight Reducer
NW40 (KF40, QF40) to Conflat Adapter
Straight Reducing Nipple
• NWxCF, CFxNW, KFxCF, CFxKF
• NW, QF, KF, Kwik-Flange
• Conflat Flange (CF)
• Non-Rotatable CFF
• 304 Stainless
• Flange To Flange High Vacuum Adapter

NW40 (KF40) Flange OD: Ø2.18"
• NW40 Centering Ring Counter Bore: 1.62"

NW40 High Vacuum Flange Equivalents
KF40, KF-40, K150, NW-40, QF40, ISO-QF
Del Seal CF to Kwik-Flange Klamp



NW40 to 1.33" Conflat <br> Straight Reducer <br> (NW40x133)
NW40 to 1.33" Conflat <br> Straight Reducer <br> (NW40x133-VE)
NW40 to 1.33" Conflat
Straight Reducer
(NW40x133)

Price: $82.40
Sale: $52.00
NW40 to 1.33" Conflat
Straight Reducer
(NW40x133-VE)

Vacuum Essential
$88.00
NW40 to 2.12" Conflat <br> Straight Reducer <br> (NW40x212)
NW40 to 2.12" Conflat <br> Straight Reducer <br> (NW40x212-VE)
NW40 to 2.12" Conflat
Straight Reducer
(NW40x212)

Price: $84.00
Sale: $74.00
NW40 to 2.12" Conflat
Straight Reducer
(NW40x212-VE)

Vacuum Essential
$112.00
NW40 to 2.75" Conflat <br> Straight Reducer <br> (NW40x275)
NW40 to 2.75" Conflat <br> Straight Reducer <br> (NW40x275-VE)
NW40 to 2.75" Conflat
Straight Reducer
(NW40x275)

Price: $170.00
Sale: $62.00
NW40 to 2.75" Conflat
Straight Reducer
(NW40x275-VE)

Vacuum Essential
$106.00
NW40 to 3.38" Conflat <br> Straight Reducer <br> (NW40x338)
NW40 to 3.38" Conflat <br> Straight Reducer <br> (NW40x338-VE)
NW40 to 3.38" Conflat
Straight Reducer
(NW40x338)

Price: $209.08
Sale: $121.00
NW40 to 3.38" Conflat
Straight Reducer
(NW40x338-VE)

Vacuum Essential
$179.00
NW40 to 4.50" Conflat <br> Straight Reducer <br> (NW40x450)
NW40 to 4.50" Conflat <br> Straight Reducer <br> (NW40x450-VE)
NW40 to 4.50" Conflat
Straight Reducer
(NW40x450)

Price: $168.00
Sale: $148.00
NW40 to 4.50" Conflat
Straight Reducer
(NW40x450-VE)

Vacuum Essential
$254.00
NW40 to 4.62" Conflat <br> Straight Reducer <br> (NW40x462)
NW40 to 4.62" Conflat <br> Straight Reducer <br> (NW40x462-VE)
NW40 to 4.62" Conflat
Straight Reducer
(NW40x462)

Price: $170.00
Sale: $158.00
NW40 to 4.62" Conflat
Straight Reducer
(NW40x462-VE)

Vacuum Essential
$225.00
NW40 to 6.00" Conflat <br> Straight Reducer <br> (NW40x600)
NW40 to 6.00" Conflat <br> Straight Reducer <br> (NW40x600-VE)
NW40 to 6.00" Conflat
Straight Reducer
(NW40x600)

Price: $231.95
Sale: $189.00
NW40 to 6.00" Conflat
Straight Reducer
(NW40x600-VE)

Vacuum Essential
$298.00
NW40 to 8.00" Conflat <br> Straight Reducer <br> (NW40x800)
NW40 to 8.00" Conflat <br> Straight Reducer <br> (NW40x800-VE)
NW40 to 8.00" Conflat
Straight Reducer
(NW40x800)

Price: $330.00
Sale: $298.00
NW40 to 8.00" Conflat
Straight Reducer
(NW40x800-VE)

Vacuum Essential
$388.00
Click to enlarge
Click to enlarge
All NW40 Hardware

NW40 (KF40) UHV Conversion Hardware

Click to enlarge
Make Your Own!


**This Vacuum Essential Includes**
Straight Reducer, NW40 to Conflat Flange
1-Aluminum Wing Clamp (NW40-150-CW)
1-Stainless/Viton Centering Ring (NW40-150-SR-V)

1-Bolt Kit (BK Series)
10 Copper Gaskets (CG Series)

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or
info@ldsvacuum.com

LDS Vacuum Products is a 100% woman owned company and
certified Woman Owned Small Business (WOSB)
The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.
Viton® is a registered trademark of DuPont Dow Elastomers