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3.38" OD Conflat To 1.25" Quick Coupling
A: 3.38"
B: 1.25"
C: 2.23"

3.38" OD CF Flange to 1-1/4" Quick Coupling
Vacuum Essential

• Tube Size: 1.25"

3.38" Conflat Flange (CF) to Quick Coupling
CF Quick Connect Vacuum Coupling
8 Clearance (Thru) Holes

• 0.332" Bolt Hole Diameter
• Compression type quick connect
• Disconnect Coupling
• 304 Stainless
• Non-Rotatable
• For tube connections & tubulated gauges
• Conflat to Quick Coupling (QC) Adapter

Quick Disconnect High Vacuum Adapter

3-3/8" OD Conflat Flange (CFF) Equivalents:
338CF, CF338, DN50CF, NW50CF, 3.375" Del Seal

3.38" OD Conflat to 1.25" Quick Coupling


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125 Series (1-1/4") O-Ring, Viton

3.38" OD Conflat Series Hardware

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All CF Quick Couplings

3.38" OD CF Quick Couplings

** Vacuum Essentials Include **
• 3.38" OD Conflat Quick Coupling
• 1-Bolt Kit (338-BK Series)
• 10-Copper Gaskets (338-CG Series)

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

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.
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