Burgmann type HR10 seals without external flushing are being used in stock pumps (Ahlstrom, Voith, Sulzer) at Holtzamann Papier for pulp consistencies of up to 5% ovendry.

• 在纸浆稠度高于5%25的储存泵中使用了博格曼公司的HR10无冲洗设计的机械密封。