The Half Nipple Non-Rotatable model no.EV03015 are available in the CF size 70 (2.75") having dimensions 69.5,63,38.1 respectively 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 correctly assembled, the knife edge is compressed onto the flat copper gasket forcing the seal material outwards to the flange.The gasket is completely covered and will not edge out even under the highest temperatures.The CF Flange is available with through holes, or tapped bolt holes.