上海韋米機電設備有限公司

2FRM6B36-32/25QRV調速流量閥由上海韋米機電設備有限公司專業(yè)提供

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2FRM6B36-32/25QRV調速流量閥

流量控制閥

功用:通過改變閥口過流面積來調節(jié)輸出流量，從而控制執(zhí)行元件的運動速度。

分類:節(jié)流閥、調速閥、溫度補償調速閥、分流集流閥。

常用節(jié)流口結構有錐形、三角槽形、矩形、三角形等。由節(jié)流方程知，當壓力差.定時，改變開口面積即改變液阻就可改變流量。

節(jié)流閥實質相當于-一個可變節(jié)流口，借助控制機構使閥芯相對于閥體孔運動改變閥口的過流面積。

結構原理

主要零件有閥芯、閥體和螺母。閥體上右邊是進油口，左邊是出油口。閥芯一端開有三角尖槽，另-端加工有螺紋，旋轉閥芯即可軸向移動改變閥口過流面積。為平衡液壓徑向力，三角槽須對稱布置。

調速閥定差減壓閥與節(jié)流閥串聯(lián)而成，用來調節(jié)通過的流量自動補

償負載變化的影響。

流量調節(jié)失靈

這是指調整節(jié)流調節(jié)部分，出油腔流量不發(fā)生變化，其主要原因是閥芯徑向減壓閥芯或節(jié)流閥芯在全閉位置時，徑向卡住會使出油腔沒有流量，在全開位置(或節(jié)流口調整好)時，徑向卡住會使調整節(jié)流調節(jié)部分出油腔流量不發(fā)生變化。

另外，當節(jié)流調節(jié)部分發(fā)生故障時，會使調節(jié)螺桿不能軸向移動，使出油腔流量也不發(fā)生變化。發(fā)生閥芯卡住或節(jié)流調節(jié)部分故障時，應進行清洗和修復。

2FRM6B36-32/25QRV調速流量閥

2FRM.K2 型閥是一種采用油路塊設計的二通流量控制閥。它用于實現(xiàn)不受壓力和溫度影響的穩(wěn)定流量。

這種閥的基本構成為殼體 (1)、調整類型 (2)、節(jié)流點 (3)、節(jié)流螺栓 (4)、壓力補償器 (5) 和單向閥 (6)。

從通道 A 到通道 B 的流量在節(jié)流點 (3) 處節(jié)流。節(jié)流剖面通過在節(jié)流點 (3) 和節(jié)流螺栓 (4) 之間旋轉調整類型 (2) 來進行設置。

為使通道 B 的流量保持穩(wěn)定而不受壓力的影響，在節(jié)流點 (3) 的下游連接一個壓力補償器 (5)。

沒有流量流經閥門時，壓縮彈簧 (7) 向下按壓力補償器 (5) 直到接觸到保護塞 (8) 并保持在打開位置。有流量流經閥門時，通道 A 中的壓力會給壓力補償器 (5) 施加一個力。將它設置到控制位置，直到各個力達到平衡。當通道 A 中的壓力上升時，壓力補償器 (5) 會朝閉合方向移動，直到各個力再次達到平衡。正是壓力補償器的這種持續(xù)的補償動作才使系統(tǒng)獲得了穩(wěn)定的流量。

通過單向閥 (6) 實現(xiàn)從通道 B 到通道 A 的自由回流。

2FRM6B36-32/25QRV調速流量閥供應型號

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R900447971 2FRM16-3X/125L

R900415315 2FRM16-3X/125LB

R900424906 2FRM16-3X/160L

R900465439 2FRM16-3X/160LSO130

R900391601 2FRM16-3X/160LSO70

R900574724 2FRM16-3X/160L=LB

R900424902 2FRM16-3X/160LB

R900473620 2FRM16-3X/160LBSO122

R900595383 2FRM16-3X/160LBSO130

R900525060 2FRM16-3X/160LBSO253

R900416601 2FRM16-3X/160LBJ

R900534016 2FRM16-3X/160LBJV

R900424034 2FRM16-3X/160LBV

R900463601 2FRM16-3X/160LJ

R900342887 2FRM16-3X/160LJSO198

R900427777 2FRM16-3X/160LV

R900571979 2FRM16-3X/160LVSO208

R900424907 2FRM16-3X/25L

R978011611 2FRM16-3X/25LBV

R900443812 2FRM16-3X/40L

R900499578 2FRM16-3X/40LSO100

R900485839 2FRM16-3X/40LB

R900423271 2FRM16-3X/60L

R900473263 2FRM16-3X/60LSO100

R900469562 2FRM16-3X/60LSO130

R900583939 2FRM16-3X/60LSO70

R900424903 2FRM16-3X/60LB

R900470226 2FRM16-3X/60LBSO130

R900411046 2FRM16-3X/60LBJ

R900335911 2FRM16-3X/60LBJSO168

R900428280 2FRM16-3X/60LBV

R900498326 2FRM16-3X/60LJ

R900335894 2FRM16-3X/60LJSO198

R900424904 2FRM16-3X/60LV

R900437666 2FRM16-3X/60QB

R900463262 2FRM16-3X/80L

R900468913 2FRM16-3X/80LB

R900361497 2FRM16-3X/80LBSO169

R900414597 2FRM16-3X/80LJ

R900993373 2FRM16-3X=100L=PL

R900081196 2FRM16-3X=100LB=PL

R901411199 2FRM16-3X=125LB

R900072937 2FRM16-3X=160L=PL

R901266648 2FRM16-3X=160LBV

R900080634 2FRM16-3X=60LB=PL

R900755435 2FRM16-7-3X/100L

R900770290 2FRM16-7-3X/100LV

R900744248 2FRM16-7-3X/160L

R900779565 2FRM16-7-3X/160LB

R978878880 2FRM10-3X/10LSO43A-1107

R978877468 2FRM10-3X/10LBVSO43A-1107

R978869471 2FRM10-3X/16LSO43A-1107

R978869224 2FRM10-3X/25LSO43A-1107

R987436857 2FRM10-3X/25LV-SO47-170

R978870441 2FRM10-3X/50LSO43A-1107

R978879217 2FRM10-3X/50LSO43A-307

R978898448 2FRM10-3X/50LVSO43A-307

R978019012 2FRM16-3X/160LBVSO43A-1434

R978907222 2FRM16-3X/60LSO43A-162

力士樂REXROTH二通流量控制閥2FRH

R900436002 2FRH10-3X/25L/5

R900436003 2FRH16-3X/100L/5

R900424882 2FRH10-3X/10L

R900424885 2FRH10-3X/10LB

R900499611 2FRH10-3X/10LBP

R900082048 2FRH10-3X/10LBPSO124

R900495779 2FRH10-3X/10LBV

R900474173 2FRH10-3X/10LP

R900401325 2FRH10-3X/10LPSO124

R900442127 2FRH10-3X/10LV

R900424886 2FRH10-3X/16L

R900430262 2FRH10-3X/16LB

R900563562 2FRH10-3X/16LBP

R900440611 2FRH10-3X/16LBV

R900374686 2FRH10-3X/16LV

R900448633 2FRH10-3X/16Q

R900424883 2FRH10-3X/25L

R900438841 2FRH10-3X/25LB

R900464204 2FRH10-3X/25LBP

R900337143 2FRH10-3X/25LV

R900350553 2FRH10-3X/2Q

R900427185 2FRH10-3X/50L

R900424884 2FRH10-3X/50LB

R900465491 2FRH10-3X/50LBP

R900474644 2FRH10-3X/50LBV

R900401386 2FRH10-3X/50LP

R900491712 2FRH10-3X/50LV

R900447409 2FRH10-3X/5L

R900427186 2FRH16-3X/100L

R900429484 2FRH16-3X/100LB

R900581915 2FRH16-3X/100LBSO1

R900441405 2FRH16-3X/100LBF

R900476610 2FRH16-3X/100LBP

R900426852 2FRH16-3X/100LV

R900428043 2FRH16-3X/160L

R900361789 2FRH16-3X/160LSO450

R900422490 2FRH16-3X/160LB

R900465634 2FRH16-3X/160LBSO178

R900597756 2FRH16-3X/160LBSO231

R900461075 2FRH16-3X/160LBF

R900472592 2FRH16-3X/160LBP

R900443251 2FRH16-3X/160LBV

R900381435 2FRH16-3X/160LP

R900479913 2FRH16-3X/160LPSO178

R900359566 2FRH16-3X/160LPSO215

R900442466 2FRH16-3X/160LV

R900427376 2FRH16-3X/60L

R900538520 2FRH16-3X/60LSO110

R900481096 2FRH16-3X/60LB

R900440972 2FRH16-3X/60LF

R900355620 2FRH16-3X/60LP

R900486476 2FRH16-3X/60LV

力士樂REXROTH雙向流量控制閥2FRW

柱塞閥的關閉由一個不銹鋼柱塞、上下兩只富彈性密封圈及一個金屬隔框組成，密封效果由柱塞與密封圈緊密配合來達到，柱塞插在兩只密封圈中，密封面積遠大于普通截止閥；開關柱塞閥時，柱塞在密封圈中緩慢移動，接觸面幾乎不磨損，關閉時，柱塞插入下密封圈，截斷流道；開啟時，柱塞雖然脫離下密封圈，但仍藏在上密封圈內，保持與外界隔離，不致發(fā)生泄漏。