The INFICON welding flange for gauges is a gauge head flange in DN 40 CF-F. It is made of stainless steel 304L and designed for ultra-high vacuum down to 1×10⁻¹² mbar and bakeout up to 400 °C.
| Connection | CF (DN 40) |
| Application | Gauge head flange |
| Manufacturing Standards | Manufactured to ISO 3669 and TS/ISO 3669-2 |
| Material | Stainless steel 304L (1.4306) |
| Vacuum Range | Designed for ultra-high vacuum applications down to 1×10⁻¹² mbar |
| Bakeout Temperature | Up to 400 °C |
| Part Numbers | DN 40: 213-092 |
| Environmental Compliance | Compliant with RoHS Directive 2011/65/EU |