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3.38" OD Conflat
Manual Right Angle Valve
Viton® Seals

3-3/8" OD Conflat Manual Right Angle Valve
Manual Bellows Sealed SS Angle Valve
Vacuum Essential

• High Vacuum Valve
• HV Elastomer Sealed Poppet Valve
• Viton Seals (Fluorocarbon, FKM) Seals
• A: 3.48"
• B: 8.23"
• C: 9.99"
• D: 3.48"
• Leak rate across seat: 1x10-9 mbar L/s
• Pressure Minimum: 1x10-9 Torr
• Pressure Maximum: Atmospheric pressure

Former PN: MRV-338V-VE

3.38" OD Conflat Flange (CF):
• Rotatable Flanges
• 2.00" Tube OD
• 8 Clearance (Thru) Holes
• 0.332" Bolt Hole Diameter

3-3/8" OD Conflat Flange (CFF) Equivalents:
338CF, CF338, DN50CF, NW50CF, 3.375" Del Seal
MRV-CF338 MRV-2002-CF

Manual Right Angle Valve 3.38" OD Conflat


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3.38" OD Conflat Series Hardware

Conflat Valves (All)

**This Vacuum Essential Includes**
Manual Right Angle Valve, 3.38" Conflat: MRV-CF338
• 2-Bolt Kits (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.