The O-Seal feature will effectively double block and bleed in most services, provided the line media is free of foreign matter and solids in suspension. 在大多数应用中,O形密封能够有效的双重阻塞和排气,确保管路内的流体介质不受外部物质和滞留固体颗粒的侵扰。
In the starting phase of any set, after an overhaul ( or repair), foreign solids, entrained by the circulating water and steam, are being scattered throughout the system and get dissolved under certain temperature, pressure and pH value conditions. 在机组大修(或小修)后启动阶段,固体颗粒会随着水汽的循环分散于系统中,在一定的温度、压力和pH值条件下成为溶解杂质。