Click to enlarge

(1) Viton® Gasket
For Use With 16.50" OD Conflat Flange
Torque Max: 7-10 ft-lb

Part Number: 1650-VG
• (1) Viton Gasket
Fits ALL 16-1/2" OD Conflat Flanges (1650 CF)
Compare to: GA-16500V

16.50" OD Conflat Flange Viton Gasket
Fluorocarbon, FKM, Viton Gaskets
Fits 16-1/2" OD Conflat Flanges Only (CF 1650)

• Reusable
• High Vacuum Rating: 1x10-8 torr (approx)
• Temperature Range: -70°C up to 50°C
• Intermittent use to 200°C
• Torque Max: 7-10 ft-lb

16.50" OD Conflat Equivalents:
• CF1650, DN350CF, CF350, 1650CF

Viton (Fluorocarbon, FKM) Gaskets may require slight stretching to fit in the Conflat Flange CF groove. Also, it is recommended to use a small amount of vacuum grease to help keep the O'Ring in place.

Operating at a pressure below 10-8?
Viton O Ring sealed compression ports limit the system pressure because of leakage and permeation.
In this case, use CF Copper Gaskets instead!

1650 Conflat Flange Series Viton Gasket


Click to enlargeShop all 16.50" OD Conflat Hardware

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.
Images Shown May Be For Reference Only

There is a global helium shortage. Each time an MRI is performed, helium is used. Please rethink your helium balloon purchase.