?LCV:Check valve for vent 排放單向閥,用于氣體排放時保證特氣不會倒流進(jìn)入吹掃氮?dú)饷姘寤蜾撈浚?/span>
?CVP:Check valve 單向閥;
?HPT:High delivery pressure transducer 高壓傳感器,接在鋼瓶出口的后端,調(diào)壓閥的前端,用來顯示鋼瓶內(nèi)氣體的壓力;
?LPT:Delivery pressure transducer 輸送壓力傳感器,安裝在兩級調(diào)壓閥之后,用來顯示調(diào)壓后的氣體輸送壓力值;
?VPT:Vent pressure transducer 排放壓力傳感器,用來顯示氣體排放管路的壓力;
?REG:First stage regulator 一級調(diào)壓閥,用來將鋼瓶的壓力進(jìn)行第一次調(diào)低;
?REG2:Second stage regulator 二級調(diào)壓閥,進(jìn)行第二次調(diào)壓,將鋼瓶壓力調(diào)低到一個合理安全的傳輸壓力;
?HPI:High pressure isolation valve 高壓隔離閥,用于高壓和低壓管路的隔離;
?HPV:High pressure vent valve 高壓排放閥,主要用于鋼瓶吹掃時,工藝氣體的排放和吹掃氮?dú)獾呐欧牛?/span>
?PGI:Purge gas isolation valve 吹掃氣體隔離閥,用于鋼瓶吹掃時,吹掃氮?dú)忾_閉的控制;
?LPV:Low pressure vent valve 低壓排放閥;
?LPI:Auto switch valve 自動切換閥,用于左右兩個鋼瓶的切換;
?PNBV:Purge gas bleed valve 氮?dú)獯祾卟凰篱y;
?PHPI:High Pressure N2 valve 高壓氮?dú)獯祾唛y;
?MIV:Manual isolation valve 手動隔離閥,安裝在面板的出口,用于面板和工藝管路的雙隔離;
?EXV:Expansion valve 擴(kuò)展閥;
?GNBV:Vacuum Generator 真空發(fā)生器,用來產(chǎn)生真空,當(dāng)其氣動閥門打開時,GN2 流經(jīng)真空發(fā)生器,產(chǎn)生真空,用來抽空工藝面板。