Click to enlargeNW16 to 2.75" OD Conflat
Straight Reducer
Tube OD: 0.75"
A: 1.18"
B: 2.75"
C: 1.78"
304 SS

NW16x275
NW16 (KF16) to 2.75" OD Conflat Flange (CF)

• Straight Reducing Nipple
• Flange to Flange Straight Reducer
• High Vacuum Adapter (275xNW16)

NW16 High Vacuum Flange Series
• NW16 Flange OD: 1.18"
• NW16 Centering Ring Counter Bore: 0.68"

NW16 High Vacuum Flange Equivalents
KF16, KF-16, K075, NW-16, QF16, ISO-QF


2-3/4" OD CF Conflat Flange (CF):
• Non-Rotatable
• 6 Clearance (Thru) Holes
• 0.265" Bolt Hole Diameter

2.75" OD CF Conflat Flange (CFF) Equivalents
275CF, CF35, CF38, CF40, CF275
DN35CF, DN40CF, NW35CF, Del Seal

Images for Reference Only
NW16x275 Compare to: 100315611 F0275XQF16 730001 K075X275 P101290 5000679 QF16X275 ANC-NW-16-275 CF275XQF16-075-N-1.78 NW16x275-VE 275xNW16-VE NW16x275-OS


NW16 to 2.75" Conflat
Straight Reducer
(NW16x275)

NW16x275Price: $104.41Sale: $60.00

Click to enlarge
Click to enlarge
All NW16 Hardware


2.75" OD Conflat Series Hardware


Click to enlarge
Click to enlarge
NW to Conflat Adapters (ALL)


Make Your Own!



NW10 to NW16 High Vacuum Flange OD

NW10 (KF10) OD: 1.18" – Centering Ring Counter Bore: 0.48"

NW16 (KF16) OD: 1.18" – Centering Ring Counter Bore: 0.68"

Need NW10? Order NW10 to NW16 Adaptive Centering Rings

NW16 Flange OD: Ø1.18"
• NW16 Tube OD: 0.75"
• NW16 Centering Ring Counter Bore: 0.68"

***NW16 Flange Accessories Available Below***
NW16 Centering Rings
NW16 Clamps, All Types
NW16 Plastic Caps


2-3/4" OD CF Conflat Flange
• 6 Clearance (Thru) Bolt Holes
• 0.265" Bolt Hole Diameter

**2.75" OD Conflat Flange Accessories Below**
2.75" OD Conflat - Bolt Kits
2.75" OD Conflat - Copper Gaskets
2.75" OD Conflat - Viton Gaskets
2.75" OD Conflat - Plastic Caps

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