這種類型的泵采用內(nèi)置密封,JM系列使用機(jī)械密封,JO系列使用O型圈密封。結(jié)構(gòu)簡單,拆裝方便,壽命長,性能好,是目前非常受歡迎的機(jī)型。
These models use inner seals , JM for mechanical sealing and JO for O-ring sealing. Simple structures making dismantling and reassembly easy and providing along e?ective life with high performance make these models the most popular.
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