The Blank Flanges Rotatable model no.EV03006 are available in the CF size 70 (2.75") having dimensions 69.5,12.7,6.7*6 respectively and P.C.D 58.7 and is composed of 304 Stainless Steel.The high sealing and the low leak rate standard of the CF Flange connection is due to the presence of gasket material.When the CF Flange is properly fitted, the knife edge is pressed onto the flat copper gasket pulling the seal material in outward direction to the flange.The gasket is completely enveloped and will not be affected even under the highest temperatures.The CF Flange is available with through holes, or tapped bolt holes.