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In gasoline injection systems, injection pressures are continuously increasing (> 350 bar), particularly in direct injection applications. This not only serves to improve engine efficiency but also to fulfill the legal emissions requirements. To achieve these higher pressures, today's casting and soldering applications are being gradually replaced by pressure-tight forging solutions. When producing a pump housing, the classic design made from cubic bar material and a welded sheet metal flange is being replaced by a hot forged monoblock component. This renders both the handling of several individual parts as well as the elaborate welding process unnecessary.