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NW40 to 3/4" Quick Coupling
A: 0.77"
B: 1.8"

NW40 to 0.75" Quick Connect Coupling

• Compression Type Quick Disconnect
• Compression Port
• For tube connections & tubulated gauges
• NW40 (KF40) Vacuum Coupling
• 304 Stainless

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
NW40-Q75 Compare to: QF40XVC075 KCP400750 734027 K150XDS-75 P103775 100316915 KCP400750 QF40XQD75-1.81

NW40 Quick Coupling To 3/4" Tube Size

NW40-Q75Price: $184.00Price Drop: $68.00

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Click to enlarge
75 Series (3/4") O-Ring, Viton

All NW40 Hardware

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Click to enlarge
NW Quick Couplings (ALL)

Quick Couplings (ALL)

NW40 Flange OD: 2.18"

***NW40 Flange Accessories Available Below***
NW40 Centering Rings
NW40 Clamps, All Types
NW40 Plastic Caps

Contact LDS with any questions:
Phone (407) 862-4643 via Fax (407) 862-8723 or

LDS Vacuum Products is a 100% woman owned company.
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.