Click to enlargeNW50 Centering Ring
304 Stainless/Buna-N O-Ring
A: 1.97"
B: 0.21"

Overstock Price

• Buna (Buna-N, Nitrile, NBR) O-Ring
• 100°C Maximum
• NW50 (KF50, QF50) High Vacuum Hardware
• Fits NW50 (KF50, QF50) Flange OD: Ø2.95"

NW50 (KF50) Stainless Centering Ring with Buna (Nitrile NBR) O-Ring

Fits: NW50 (KF50, QF50) Flange

Buna Replacement O'Ring
• 100°C Maximum
• Buna (Buna-N, Nitrile, NBR) O-Ring

Fits NW50 Flange Series Equivalents:
KF50, KF-50, K200, NW-50, QF50, ISO-QF
NW50-200-SR-B Compare to: QF50-200-SRB QF50-200-SR-B KC50SB 710007 K200-CRB 100312806 P101963 NW-50-CR-SB 4000013 QF50-200-CTR-BN

NW50 Centering Ring

NW50-200-SR-B-OSPrice: $17.69Overstock: $6.10

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NW50 Clamps, All Types

NW50 Ring and Clamp Assembly

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NW50 O-Rings (All)

Centering Rings WITHOUT O-Ring

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NW50 Mesh Screened Centering Rings

NW Overpressure Ring

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All NW50 Hardware

LDS Will Be Closed For Our Annual Vacation Shutdown:
Friday, June 28 (5:00pm EST) and will reopen Monday, July 8th (7:00am)

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

LDS is a family owned company and many of our employees vacation together (we like each other). We thank you for your business and appreciate your understanding during this vacation schedule.