The Centering Ring with O'Ring & Outer Ring model no. EV01040 is available in the KF size 25 having dimensions 25,42.5,8 respectively.The C/R is composed of 304 stainless steel material,O'Ring of viton and O/R of aluminium material.
The product is the combination of two flanges, a center-ring and an aluminum Clamp. Clamps are assembled with wing nuts for effective overtime use without tools. A constant application of pressure on the clamp generates a vacuum seal. The mating flange surfaces compress the O-Ring, which is fixed in place by a metal centering ring, to develop the vacuum seal.