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Product ID : QF50200ARV
QF50200ARV Centering Ring Assembly, Material=Aluminum, Brand=Viton[R], A=1.97, B=0.21, NW Flange Size=50
Description
More details on associated web pages:
Centering Ring Assembly, 304 Stainless and Aluminum
Available with Viton® or Buna O-ring, this centering ring complete with O-ring should be used when joining any two NW flanges with a quick flange clamp.NW Vacuum Fittings
(Catalog F63)

Quick action aluminum clamp with finger closure "T" knob for positive sealing of NW flanges.

Available with Viton® or Buna O-ring, this centering ring complete with O-ring should be used when joining any two NW flanges with a quick flange clamp.

In Stainless and Aluminum.

For connecting rubber or plastic hose to NW flanges.

In Aluminum, Stainless Steel, and Brass

Industry standard die-cast aluminum clamp.

QF to QF Reducers, Aluminum fittings

Longer pump nipple for vacuum hose attachment or for custom
welding applications.