德國FESTO減壓閥，FESTO過濾減壓閥，費斯托的調壓閥

德國FESTO減壓閥，FESTO過濾減壓閥
FESTO過減壓閥正常工作，配用的執(zhí)行機構要能產生足夠的輸出力來保證高度密封和閥門的開啟。 
對于雙作用的氣動、液動、電動執(zhí)行機構，一般都沒有復位彈簧。作用力的大小與它的運行方向無關，因此，選擇執(zhí)行機構的關鍵在于弄清zui大的輸出力和電機的轉動力矩。對于單作用的氣動執(zhí)行機構，輸出力與閥門的開度有關，調節(jié)閥上的出現的力也將影響運動特性，因此要求在整個調節(jié)閥的開度范圍建立力平衡。
FESTO過減壓閥,festo過濾減壓閥,德國FESTO
FESTO過減壓閥是保護油罐安全的重要附件，裝設在油罐的頂板上，由壓力閥和真空閥兩部分組成。它的作用在一般情況下，保持油罐的密閉性，在一定程度上減少油品的蒸發(fā)損耗。而在必要時，能自動通氣調節(jié)平衡油罐內外壓力，對油罐起到安全作用。當罐內油氣壓力大于油罐允許壓力時，油蒸汽經壓力閥外逸，此時真空閥處于關閉狀態(tài)；當罐內油氣壓力小于油罐允許真空度時，新鮮空氣通過真空閥進入罐內，此時壓力閥處于關閉狀態(tài)，允許壓力（或真空壓力）靠調節(jié)盤的重量來控制。
德國FESTO減壓閥，FESTO過濾減壓閥
FESTO過減壓閥的輸出壓力較高或通徑較大時，用調壓彈簧直接調壓，則彈簧剛度必然過大，流量變化時，輸出壓力波動較大，閥的結構尺寸也將增大。為了克服這些缺點，可采用先導式減壓閥。先導式減壓閥的工作原理與直動式的基本相同。先導式減壓閥所用的調壓氣體，是由小型的直動式減壓閥供給的。若把小型直動式減壓閥裝在閥體內部，則稱為內部先導式減壓閥；若將小型直動式減壓閥裝在主閥體外部，則稱為外部先導式減壓閥。
 
圖14—2所示為內部先導式減壓閥的結構圖，與直動式減壓閥相比，該閥增加了由噴嘴4、擋板3、固定節(jié)流孔9及氣室B所組成的噴嘴擋板放大環(huán)節(jié)。當噴嘴與擋板之間的距離發(fā)生微小變化時，就會使B室中的壓力發(fā)生根明顯的變化，從而引起膜片10有較大的位移，去控制閥芯6的上下移動，使進氣閥口8開大或關小、提高了對閥芯控制的靈敏度，即提高了穩(wěn)壓精度。
產品代號: 162727
過濾減壓閥 具有金屬保護罩和壓力表, 過濾等級 5 祄

德國FESTO減壓閥，FESTO過濾減壓閥，費斯托的調壓閥

LFMA-D-MAXI-A
LFMA-D-MINI-DA
LFMA-D-MIDI-DA
LFMA-D-MAXI-DA
LFMA-D-MINI-DA-A
LFMA-D-MIDI-DA-A
LFMA-D-MAXI-DA-A
LFMA-1/8-D-MINI-DA
LFMA-1/4-D-MINI-DA
LFMA-3/8-D-MINI-DA
LFMA-1/4-D-MIDI-DA
LFMA-3/8-D-MIDI-DA
LFMA-1/2-D-MIDI-DA
LFMA-3/4-D-MIDI-DA
LFMA-1/2-D-MAXI-DA
LFMA-3/4-D-MAXI-DA
LFMA-1-D-MAXI-DA
LFMA-1/8-D-MINI-DA-A
LFMA-1/4-D-MINI-DA-A
LFMA-3/8-D-MINI-DA-A
LFMA-1/4-D-MIDI-DA-A
LFMA-3/8-D-MIDI-DA-A
LFMA-1/2-D-MIDI-DA-A
LFMA-3/4-D-MIDI-DA-A
LFMA-1/2-D-MAXI-DA-A
LFMA-3/4-D-MAXI-DA-A
LFMA-1-D-MAXI-DA-A
LFMA-D-MINI-U
LFMA-D-MINI-A-U
LFMA-D-MIDI-U
LFMA-D-MIDI-A-U
LFMA-D-MAXI-U
LFMA-D-MAXI-A-U
LFMB-1/8-D-MINI
LFMB-1/4-D-MINI
LFMB-3/8-D-MINI
LFMB-3/8-D-MIDI
LFMB-1/2-D-MIDI
LFMB-3/4-D-MIDI
LFMB-3/4-D-MAXI
LFMB-1-D-MAXI
LFMB-1/8-D-MINI-A
LFMB-1/4-D-MINI-A
LFMB-3/8-D-MINI-A
LFMB-3/8-D-MIDI-A
LFMB-1/2-D-MIDI-A
LFMB-3/4-D-MIDI-A
LFMB-3/4-D-MAXI-A
LFMB-1-D-MAXI-A
LFMBA-1/8-D-MINI
LFMBA-1/4-D-MINI
LFMBA-3/8-D-MINI
LFMBA-3/8-D-MIDI
LFMBA-1/2-D-MIDI
LFMBA-3/4-D-MIDI
LFMBA-3/4-D-MAXI
LFMBA-1-D-MAXI
LFMBA-1/8-D-MINI-A
LFMBA-1/4-D-MINI-A
LFMBA-3/8-D-MINI-A
LFMBA-3/8-D-MIDI-A
LFMBA-1/2-D-MIDI-A
LFMBA-3/4-D-MIDI-A
LFMBA-3/4-D-MAXI-A
LFMBA-1-D-MAXI-A
LFMBP-D-MIDI
LFMBP-D-MAXI
LFMB-1/2-H-A
LFMB-3/4-H-A
LFMB-1-H-A
LFMBA-1/2-H-A
LFMBA-3/4-H-A
LFMBA-1-H-A
LFMBP-1/2-H
LFMBP-3/4-H            費斯托調壓閥，FESTO調壓閥，VPPM-6
LFMBP-1-H
LFMB-1/8-D-MINI-NPT
LFMB-1/8-D-MINI-A-NPT
LFMB-1/4-D-MINI-NPT
LFMB-1/4-D-MINI-A-NPT
LFMB-3/8-D-MINI-NPT
LFMB-3/8-D-MINI-A-NPT
LFMB-3/8-D-MIDI-NPT
LFMB-3/8-D-MIDI-A-NPT
LFMB-1/2-D-MIDI-NPT
LFMB-1/2-D-MIDI-A-NPT
LFMB-3/4-D-MIDI-NPT
LFMB-3/4-D-MIDI-A-NPT
LFMB-3/4-D-MAXI-NPT
LFMB-3/4-D-MAXI-A-NPT
LFMB-1-D-MAXI-NPT
LFMB-1-D-MAXI-A-NPT
LFMBA-1/8-D-MINI-NPT
LFMBA-1/8-D-MINI-A-NPT
LFMBA-1/4-D-MINI-NPT
LFMBA-1/4-D-MINI-A-NPT
LFMBA-3/8-D-MINI-NPT
LFMBA-3/8-D-MINI-A-NPT
LFMBA-3/8-D-MIDI-NPT
LFMBA-3/8-D-MIDI-A-NPT
LFMBA-1/2-D-MIDI-NPT
LFMBA-1/2-D-MIDI-A-NPT
LFMBA-3/4-D-MIDI-NPT
LFMBA-3/4-D-MIDI-A-NPT
LFMBA-3/4-D-MAXI-NPT
LFMBA-3/4-D-MAXI-A-NPT
LFMBA-1-D-MAXI-NPT
LFMBA-1-D-MAXI-A-NPT
LFMBP-1/4-H       費斯托調壓閥，FESTO調壓閥，VPPM-6
LFMB-1/4-D-MIDI
LFMB-1/4-D-MIDI-A
LFMBA-1/4-D-MIDI
LFMBA-1/4-D-MIDI-A
LFMB-1/2-D-MAXI
LFMB-1/2-D-MAXI-A
LFMBA-1/2-D-MAXI
LFMBA-1/2-D-MAXI-A
LFMB-D-MINI
LFMB-D-MIDI
LFMB-D-MAXI
LFMB-D-MINI-A
LFMB-D-MIDI-A
LFMB-D-MAXI-A
LFMB-D-MINI-DA
LFMB-D-MIDI-DA
LFMB-D-MAXI-DA
LFMB-D-MINI-DA-A
LFMB-D-MIDI-DA-A
LFMB-D-MAXI-DA-A
LFMB-1/8-D-MINI-DA
LFMB-1/4-D-MINI-DA
LFMB-3/8-D-MINI-DA
LFMB-1/4-D-MIDI-DA
LFMB-3/8-D-MIDI-DA
LFMB-1/2-D-MIDI-DA
LFMB-3/4-D-MIDI-DA
LFMB-1/2-D-MAXI-DA
LFMB-3/4-D-MAXI-DA
LFMB-1-D-MAXI-DA
LFMB-1/8-D-MINI-DA-A
LFMB-1/4-D-MINI-DA-A
LFMB-3/8-D-MINI-DA-A
LFMB-1/4-D-MIDI-DA-A
LFMB-3/8-D-MIDI-DA-A
LFMB-1/2-D-MIDI-DA-A
LFMB-3/4-D-MIDI-DA-A
LFMB-1/2-D-MAXI-DA-A
LFMB-3/4-D-MAXI-DA-A
LFMB-1-D-MAXI-DA-A
LFMBA-1/8-D-MINI-DA
LFMBA-1/4-D-MINI-DA
LFMBA-3/8-D-MINI-DA
LFMBA-1/4-D-MIDI-DA
LFMBA-3/8-D-MIDI-DA
LFMBA-1/2-D-MIDI-DA
LFMBA-3/4-D-MIDI-DA
LFMBA-1/2-D-MAXI-DA
LFMBA-3/4-D-MAXI-DA
LFMBA-1-D-MAXI-DA
LFMBA-1/8-D-MINI-DA-A
LFMBA-1/4-D-MINI-DA-A
LFMBA-3/8-D-MINI-DA-A
LFMBA-1/4-D-MIDI-DA-A
LFMBA-3/8-D-MIDI-DA-A
LFMBA-1/2-D-MIDI-DA-A
LFMBA-3/4-D-MIDI-DA-A
LFMBA-1/2-D-MAXI-DA-A
LFMBA-3/4-D-MAXI-DA-A
LFMBA-1-D-MAXI-DA-A
LFMB-D-MINI-U
LFMB-D-MINI-A-U
LFMB-D-MIDI-U
LFMB-D-MIDI-A-U
LFMB-D-MAXI-U

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