| 摘要 |
Valve comprises an aluminum housing (5) with an aluminum valve seat (6) for a flap (2) which rotates on a drive shaft (1), and a plunger seal (3). The valve seat has a metallic seal (4) on its surface facing the flap. The seal has a thickness of 5-30 microns and is resistant to temperatures of 500-800 degrees C. |
