螺杆式空压机进气阀适应以下品牌空压机：瑞典Atlas.Copco（阿特拉斯·科普柯），美国SULLAIR（寿力）、Ingersoll-Rand（英格索兰）、登福GD(嘉顿丹佛) GardnerDenver、英国CompAir（康普艾）、台湾FS（复盛）、日本HITACHI（日立）、KOBELCO（神钢）、德国BOGE（伯格）、KAESER（凯撒）、霸尔向阳、柳州LiUTEHCH（富达）、昆西、福斯爱尔、博莱特、施耐德日盛、优耐特斯、正力精工、斯可络、凌格风、锡压、飞和、维肯、艾能、浪潮、开山、捷豹、佳力士、聚才、德斯兰、申行健、汉钟、红五环等

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螺杆式空压机进气阀的工作过程是：启动、加载、卸载、空调和停机。 

 （1）启动。电机启动，主机开始运转，进气阀关闭状态阀芯上的小孔进气，经过压缩的油气进入油气桶，系统压力逐渐上升。 

 （2）加载。电机星三角转换，控制系统会比较系统的实际压力与设定压力，当系统压力低于压力开关设定下限压力时，压力开关动作使加载电磁阀加电，三向电磁阀开启，向进气门伺服气缸供气推动控制气缸打开蝶阀，进气阀全开吸气；经由电磁阀的压力同时关闭泄放阀，机器不再放空，罐内压力持续上升至外向供气。 

 （3）卸载。当压力上升到压差开关上限压力时，压差开关发出一个电信号给三向电磁阀，电磁阀关闭停止向进气门伺服气缸供气，控制气缸不受压则蝶阀关闭维持小孔进气，此时受配重控制止回阀能及时迅速的紧密关闭，同时泄放阀打开释放油气桶内压力至基本油压。空压机处于空载运行，在加载电磁阀连续失电20min后，系统进入空车过久停车状态。  

（4）容调。空压机加载过程中为减少空压机的空重负荷次数，安装有反比例阀，当机组压力达到压力开关上限前反比例阀提前动作，减少向伺服汽缸的供气量，进气阀伺服汽缸阀杆推力减少，在弹簧力的作用下阀杆回缩，当弹簧力与汽缸的气体推力平衡时，阀杆处于半开状态，进气量减少实现空压机的容量调节。 

 （5）停机。停机信号来自空车过久或系统压力长时间处于压力上限，电机停止，主机停转不再吸气，进气阀的内部止回阀迅速关闭确保没有停机吐油的现象，泄放阀持续放空至外部大气压力。

The screw rod type air compressor admission valve adapts following brand air compressor: Sweden Atlas.Copco (Atlass · popular science tan oak), American SULLAIR (long-lived strength), Ingersoll-Rand (English standard rope blue), ascends lucky GD( fine Denver) GardnerDenver, English CompAir (the Comp Chinese mugwort), Taiwan FS (duplicate abundant), Japanese HITACHI (Hitachi), KOBELCO (god steel), German BOGE (Bergh), KAESER (Caesar), dominates you toward the sun, Liuzhou LiUTEHCH (richly reaches), west the elder brother, Fouse loves you, abundant Wright, Shi Naide the date abundant, bears Tess superiorly, in force exquisite, Si Keluo, Ling Gefeng, the tin presses, flies with, Uygur is willing,Ai Neng, the tide, quarry a mountain, the Czechoslovakia leopard, the good person of great strength, gather only then, German Si Lan, Shen Xing healthily, the Chinese clock, the red five links and so on
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The screw rod type air compressor admission valve work process is: Start, load, unloading, air conditioning and engine off.
(1) start.The electrical machinery starts, the main engine starts to revolve, on the admission valve off-position valve core eyelet air admission, enters the oil air drum after the compression oil gas, the system pressure rises gradually.
(2) load.The electrical machinery star triangle transforms, the control system can the quite systematic actual pressure and the hypothesis pressure, when the system pressure is lower than the pressure switch hypothesis lower limit pressure, the pressure switch movement makes to load the solenoid valve to add the electricity, three to solenoid valve opening, turns on the reed valve to the air intake valve servo air cylinder air feed impetus control air cylinder, the admission valve all opens the inspiration; Simultaneously closes the escape valve by way of the solenoid valve pressure, the machine no longer blows off, pot internal pressure constant rise to extroverted air feed.
(3) unloading.When the pressure rises to the differential pressure switch upper limit pressure, the differential pressure switch sends out an electrical signal for three to the solenoid valve, solenoid valve shutting down stops to the air intake valve servo air cylinder air feed, controls the air cylinder not bearing then the reed valve closure maintenance eyelet air admission, this time the counterweight control prevent returning threshold energy prompt rapid close closure, simultaneously the escape valve is opened the release oil air drum internal pressure to the basic flowing tubing head pressure.The air compressor is in the lost motion, after loads the solenoid valve to lose electricity 20min continuously, the system enters the spatial vehicle to stay for a long time the vehicle condition.
(4) Rong Diao.The air compressor loads in the process for to reduce the air compressor the bare weight load number of times, the installment has the inverse proportion valve, when the unit pressure achieved in front of the pressure switch upper limit the inverse proportion valve acts ahead of time, reduces supplies the spirit to the servo cylinder, the admission valve servo cylinder valve lever thrust force to reduce, in under spring strength function valve lever retraction, when spring strength and cylinder gas thrust force balance, the valve lever is at the ajar condition, the air input reduction realizes the air compressor volume control.
(5) engine off.The engine off signal comes from spatial Che Guojiu or the system pressure long time is in the pressure upper limit, the electrical machinery stops, the main engine stops transfers no longer inspires, the admission valve internal check valve rapid closure guarantees does not have the phenomenon which the engine off discharges oil, the escape valve to continue to blow off to exterior atmospheric pressure.