BWE-30-0004rev.5 The air heaters are getting complete new sealing systems consisting of: - New radial sealing system with sliding shoe system - New circumferential seals - New axial seals - New shaft seals The upper and lower radial sealing plates are divided into three sections. A center section at the shaft and two outer sections. The upper center section is connected with the rotor shaft so that it always follows the axial movements of the shaft during operation. The outer sections follows the movement of the rotor flanges by means of sliding shoes. On each outer radial seal plates two sliding shoes are mounted that rest directly on the flanges. The sliding shoes are made of Riga Power Station No. 2 (RTEC-2) is the main supplier of power and district heat to Riga, the capital of Latvi

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