Gasgoo Motors reported that in October, German auto sales fell 20% year-on-year to 257,000 units. In the first 10 months of this year, German auto sales fell 27% year-on-year.
In 2009, driven by the replacement policy of old cars, German car sales have expanded. Compared with October 2008, German car sales fell by 16% in October this year.
Although German car sales will continue to show a downward trend in the coming months, this does not mean that German consumption is weak.
Consumer research organization GfK said: "Consumers are generally optimistic about the future of the consumer environment, consumer confidence index is still high." GfK expects personal consumption in Germany this year will increase 0.5% year-on-year.
According to data released by the European Commission, the German consumer confidence index rose for the fourth consecutive month in October, the second highest level in 20 years, and was only lower than the index in May 2007.
Tongue And Groove Face Flanges
The Tongue and Groove faces of this flanges must be matched. One flange face has a raised ring (Tongue) machined onto the flange face while the mating flange has a matching depression (Groove) machined into it's face.
Tongue-and-groove facings are standardized in both large and small types. They differ from male-and-female in that the inside diameters of the tongue-and-groove do not extend into the flange base, thus retaining the gasket on its inner and outer diameter. These are commonly found on pump covers and Valve Bonnets.
Tongue-and-groove joints also have an advantage in that they are self-aligning and act as a reservoir for the adhesive. The scarf joint keeps the axis of loading in line with the joint and does not require a major machining operation.
General flange faces such as the RTJ, TandG and the FandM shall never be bolted together. The reason for this is that the contact surfaces do not match and there is no gasket that has one type on one side and another type on the other side.
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