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4.50" OD Conflat
Manual Right Angle Valve
Viton® Seals

4.50" 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: 3.38"
• B: 8.75"
• C: 10.42"
• D: 3.92"
• Leak rate across seat: 1x10-9 mbar L/s
• Pressure Minimum: 1x10-9 Torr
• Pressure Maximum: Atmospheric pressure

Former PN: MRV-450V-VE

4-1/2" OD Conflat Flange (CF):
• 2.50" Tube OD
• Rotatable Flanges
• 8-Clearance (Thru) Holes
• 0.332" Bolt Hole Diameter

4.50" OD Conflat Flange (CFF) Equivalents
450CF, DN63CF, NW63CF, CF63, CF64
CF450, Del Seal
MRV-CF450 MRV-2502-CF

Manual Right Angle Valve 4.50" OD Conflat


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4.50" OD Conflat Series Hardware

Conflat Valves (All)

**This Vacuum Essential Includes**
Manual Right Angle Valve, 4.50" Conflat: MRV-CF450
• 2-Bolt Kits (450-BK Series)
• 10-Copper Gaskets (450-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.