The new sealing cap - similar to a smaller version of the damaged blow-out preventer - has three devices that are designed to shut the flow.
新的密封帽类似一个较小版本的损坏井喷防护装置，有三个旨在关闭流量的装置。
Hydraulic systems use cartridge valve integrated control system, integrated cartridge valve control system has good sealing, flow capacity, small pressure loss characteristics etc.
液压系统选用插装阀集成控制系统，插装阀集成控制系统具有密封性好，通流能力大，压力损失小等特点。
The preferred direction would be shaft side high pressure as the pressure in the flow would assist the disc in sealing.
优先定向以具有较高压力的轴面作为流体压力，用于帮助阀板密封。
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