| 品牌威格士 | 型号DG4V-5-2AJ-M-U-H6-20 |
| 材质不锈钢 | 类型(通道位置)二通式 |
| 连接形式对夹 | 3C阀门类别工业 |
| 适用介质氨气 | 流动方向单向 |
| 用途安全 | 规格DG4V-5-2AJ-M-U-H6-20 |
| 规格1DG4V-5-2AJ-M-U-H6-20 |
dg4v-5-2aj-m-u-h6-20
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线圈通断电是否正常，电压是否正常。
5、判断先导阀有无动作：线圈通断电时有“嗒嗒嗒”的阀芯撞击音，说明先导阀动作正常。此时仅四通阀通电，以便听清声音。
6、先导阀动作正常，主阀体不动作，说明四通阀换向所需的***低动作压力差没有建立起来
dg4v-3s-6c-m-u-b5-60+插头
dg4v-3s-6c-m-u-h5-60
dg4v-3s-6c-m-u-h5-60
dg4v-3s-6cm-u-u-h5-60
dg4v-3s-6c-m-v-h5-60
dg4v-3s-6c-vm-u-h5-20
dg4v-3s-6c-vm-u-h5-60
dg4v-3s-6cv-m-u-h5-60
dg4v-3s-6c-vmu-h5-60（带插头）
dg4v-3s-6c-vmu-h7-60(带插头）
dg4v-3s-7c-m-u-d5-60
dg4v-3s-7c-m-u-h5-60
dg4v-3s-8bl-vm-u-h5-61
dg4v-3s-8c-h-vm-u1-h7-61
dg4v-3s-8c-vm-u-h5-61
dg4v-3s-oa-m-u-h5-60
dg4v-3s-obl-m-fpa5wl-d5-60
dg4v-3s-obl-m-u-b6-60
dg4v-3s-of-m-u-h5-60
dg4v4-012c-m-u-h-5-10
dg4v4-012n-m-pbwl-b-5-10
dg4v-5-0al-m-u-h6-20
dg4v-5-0a-m-u-h6-20
dg4v-5-0a-m-u-h6-20
dg4v-5-0blj-vm-u- h6-20
dg4v-5-0cj-m-u-h6-20
dg4v-5-0cj-m-u-h6-20-j99
dg4v-5-0c-mu-a6-20
dg4v-5-0c-m-u-c6-20
dg4v-5-0c-m-u-ed6-20
dg4v-5-22aj-m-u-h6-20
dg4v-5-22alj-m-u-h6-20
dg4v-5-22al-m-u-h6-20
dg4v-5-2aj-m-u-h6-20
dg4v-5-2aj-m-u-h7-20
dg4v-5-2aj-m-u-p6-20
dg4v-5-2a-j-vm-u-h6-20
dg4v-5-2aj-vm-u-h6-20+977467
dg4v-5-2aj-z-m-u-h6-20
dg4v-5-2aj-z-m-u-h6-20
dg4v-5-2al-m-u-c6-20
dg4v-5-2a-mp7-lb6-40
dg4v-5-2a-m-p7l-h-7-40
dg4v-5-2a-mu-a6-20
dg4v-5-2a-m-u-c6-20
dg4v-5-2a-m-u-c6-20
dg4v-5-2a-m-u-eh6-20
dg4v-5-2a-muh620
dg4v-5-2a-m-u-h6-20
dg4v-5-2a-m-u-h-6-20
dg4v-5-2a-vm-u-c6-20
dg4v-5-2blj-m-u-h6-20
dg4v-5-2b-m-pl-b-6-40
dg4v-5-2cj-m-u-h6-20
dg4v-5-2cj-vm-u-h6-20
dg4v-5-2cj-vm-u-h6-20（带插头）
dg4v-5-2c-m-u-a6-20
dg4v-5-2c-m-u-a6-20
dg4v-5-2c-m-u-a6-20+插头
dg4v-5-2c-mu-c6-20
dg4v-5-2c-m-u-eh6-20
dg4v-5-2c-m-u-h6-20
dg4v-5-2c-vm-u-hl6-20
dg4v-5-2nj-m-u-h6-20
dg4v-5-2nj-m-u-h6-20
dg4v-5-2nj-vm-u-h6-20
dg4v-5-2nj-vm-u-h6-20（带插头）
dg4v-5-2n-m-p7l-h-740
dg4v-5-2n-m-p7l-h-7-40
dg4v-5-2n-m-u-c6-20
dg4v-5-2n-m-u-c6-60
，向系统内充入制冷剂。
7、液压冲击。可能是a.四通阀安装方向错；b.使用的是涡旋式压缩机；c.冬天气温太低；d.截止阀未打开。电液比例伺服阀（简称比例阀）是由比例电磁铁取代普通液压阀的调节和控制装置而构成的。它可以按给定的输入电压或电流信号连续地按比例地远距离地控制流体的方向、压力和流量。
采用电液比例控制阀提高了系统的自动化程度和精度，又简化了系统。
dg5v-h8-2n-e-m-u-h5-30
dg5v-8-s-2c-t-m-u-h-10
dgmdc-3-x-tl-41
dg5v733ctmuh540
dg5s-h8-4c-e-vm-u-h5-50
dg5s-8-2c-m-fw-d5-30
dg5v-7-33c-2-vm-u-h7-30
dg5v-7-2a-vm-u-h5-40
dg5v-7-2n-2-vm-u-h5-40
dg5v-7-2n-3-e-m-u-a6-30
dg5s-8-2n-m-fpa5wl-b5-30
dg5v-7-2n-e-m-u-h5-40
dg5v-7-6c-t-m-u-h7-30（带插头）
dg5v78cvmuh540
dgmc-3-pt-cw-s-41
dg5s-8-2a-t-m-u-h7-40
dg5s-8-6c-m-u-h7-40dgmc-5-pt-fw-b-30
dg5v72atmuh540
dg5v-5-2bl-t-m-u-h5-20
dg5v78cevmuh540
dg5v-h8-6c-vm-u-h5-30
dg5v-10-h-6c-2-e-m-u-h-1
dg5s-h8-2c-2-t-m-u-h5-50
dg5v-10-h-2c-m-u-h-10
dgmc-3-ba-gw-41
dgmc-3-pt-aw-b-41
dg5v-10-h-8c-e-vm-u-h-10
dg5v-7-6c-t-vm-u-h5-40
dg5v-7-6c-m-u-h5-40
dgmc-5-pt-fw-b-30
dg5v-8-s-31c-m-u-h-10
dgmdc-5-y-pm-30
dg5v-7-33c-1-m-u-h5-40
dg5v76c2tmuh540
dg5v76ctmuh540
dgmc-5-bt-fw-s-30
dgmc-5-pt-fw-b-30
dgmc-3-pt-cw-s-41
dgmc-3-pt-fw-20
dg5v-5-2c-m-u-h5-20
dg5s-h8-521c-2-e-t-m-u-h
dg5v-8-s-2b-t-m-u-h-10
dg5v72c2tmuh540
dgmc2-3-at-gw-bt-gw-41
dgmc-3-bt-bw-41
dg5v52cemuh520
dg5v731c2muh540
dg5vh86c1tmuh530
dg5s-h8-4c-e-vm-u-a5-50
dg5v76ctmuh730
dg5v72n2muh540
dg5v-7-31c-2-m-u-h5-40
dgmdc-3-x-t1-40dgmc-5-pt-fw-b-30
dgmc2-5-at-bh-bt-bh-b-30
dg5v-8-h-2c-e-t-vm-u-h-1
dg5v-7-6c-t-m-u-b5-40
dg5v8h2cmud10
dg5v8s2ntmuh10
dg5v-8-s-2c-e-t-m-u-h-10
dg5v-7-6c-vm-u-h5-40
dg5v-7-2c-2-t-vm-u-h5-40
dg5v72a2etmuh540
dg5v-7-6c-t-vm-u-h5-40+977467
dgmfn-5-x-p1w-30
dgmdc-5-x-tn-30
dgmc-5-pt-fw-b-30
dg5v72btmuh540
dg5v-7-33c-3-t-m-u-h5-40
dgmc2-3-ab-cw-ba-cw-41
dgmc2-3-ab-gw-ba-gw-41
dg5v-7-6c-2-vm-u-h5-40
dg5v-10-w-3c-m-w-h-10
dg5v8h2cemuh10
dg5v-7-52c-2-m-u-h5-40
dg5s-h8-2c-m-u-h5-41
dg5v-8-s-6al-e-m-u-h-10
dgmc-3-bt-aw-41
dgmc-3-pp-cw-40
dg5v78cetvmuh540
dg5v-5-2a-t-m-u-h5-20
dgma-3-b-11
dg5v-7-6c-2-t-vm-u-h5-40
dg5v-7-6c-m-u-h7-21
dg5v-5-2n-vm-u-h5-20
dg5v72amuh540
dg5v-7-33c-t30-en55dgmc-5-pt-fw-b-30
dg5v-5-2n-t-vm-u-h5-20
dgmc2-5-ab-fw-30
dgmpc-2-abk-bak-11
dgmpc-2-abm-bam-11
dg5v-8-s-31c-t-m-u-h-10
dg5v-7-8c-2e-v-mu-h5-40
dg5s-8-6bl-m-u-h5-30
dg5s-8-6c-2-t-m-fpa5wl-b
dg5v-7-2a-t-vm-u-h5-40
dgmc2-5-at-gw-bt-gw-30
dgmc2-3-at-gw-bt-gw-41
dg5vh82ctvmuh530
dgmdc-3-y-pk-40
dgmc2-3-at-aw-bt-aw-41
dg5v-5-2a-t-m-u-c6-10
dgmc-5-pt-fw-b-30
dg5v-7-2n-t-vm-u-a6-30
dg5v-7-2c-vmu-h5-40（带插头）
dg5s-8-2n-t-k-m-fpa5wl-b
dg5v-7-2al-t-m-u-h5-40
dgfn-06-50
dgmdc-3-y-ak-bk-41
dgmc2-5-ab-gw-ba-gw-30
dg5s-8-6a-e-t-m-fw-b6-40
dg5v76n2tmuh540
dg5v76cmuh730
dg5v-7-31c-2-m-u-h5-40
dg5v-10-s-2c-2-m-u-b-10
dg5v-10-s-6c-t-m-u-h-10
dg5s-8-2b-m-u-h5-30dgmc-5-pt-fw-b-30
dg5v-8-s-6c-t-m-u-h-10
dgmdc-3-byl-20
比例阀的工作虽用伺服阀可完成，但后者精度高、价格贵，对油液清洁度要求更高。比例阀主要结构与普通阀差别不大，只是比例阀均由比例电磁铁驱动（一种电—机械转换器）。
rexroth力士乐叠加式液控单向阀z2s6-3-6x
rexroth力士乐叠加式液控单向阀z2s6b1-6x
rexroth力士乐叠加式液控单向阀z2s6a2-6x
rexroth力士乐叠加式液控单向阀z2s10-1-3x
rexroth力士乐叠加式液控单向阀z2s10a1-3x
rexroth力士乐叠加式液控单向阀z2s10b1-3x
rexroth力士乐叠加式液控单向阀z2s16-1-5x
rexroth力士乐叠加式液控单向阀z2s16a1-5x
rexroth力士乐叠加式液控单向阀z2s22-5x
rexroth力士乐叠加式减压阀zdr6dp2-4x/25ym
rexroth力士乐叠加式减压阀zdr6dp2-4x/75ym
rexroth力士乐叠加式减压阀zdr6dp2-4x/150ym
rexroth力士乐叠加式减压阀zdr6dp2-4x/210ym
力士乐叠加式减压阀zdr6da2-4x/75y
力士乐叠加式减压阀zdr6da2-4x/75ym
力士乐叠加式减压阀zdr6da2-4x/150y
力士乐叠加式减压阀zdr10dp2-4x/75ym
力士乐叠加式减压阀zdr10dp2-4x/150ym rexroth力士乐内啮齿轮泵pgf2-2x/006ra01vp1
rexroth力士乐内啮齿轮泵pgf2-2x/011re01ve4武汉rexroth力士乐齿轮泵pgh4-2x/040re11vu2
rexroth力士乐齿轮泵pgh4-2x/050re11vu2
rexroth力士乐齿轮泵pgh4-2x/063re11vu2
rexroth力士乐齿轮泵0510325016
rexroth力士乐齿轮泵0510325016
rexroth力士乐齿轮泵0510525019
rexroth力士乐齿轮泵0510625042
专业代理经销德国bosch rexroth(博世-力士乐)液压元件：柱塞泵a10vso、电磁阀4we、溢流阀dbw、节流阀z2s、叶片泵pv7、压力继电器hed、博世放大器比例阀0811、齿轮泵0510等系列大量现货
rexroth力士乐齿轮泵0510625346
rexroth力士乐齿轮泵0510725350a10vso100dr/31r-ppa12noo
rexroth力士乐柱塞泵a10vso18dfr1/31r-ppa12noo
rexroth力士乐柱塞泵a10vso28dfr1/31r-ppa12noo
rexroth力士乐柱塞泵a10vso45dfr1/31r-ppa12noo
rexroth力士乐柱塞泵a10vso71dfr1/31r-ppa12noo
rexroth力士乐柱塞泵a10vso100dfr1/31r-ppa12noo
rexroth力士乐柱塞泵a10vso140dfr1/31r-ppb12noo
rexroth力士乐柱塞泵a10vso45dfr1/32r-ppb12noo
rexroth力士乐柱塞泵a10vso71dfr1/32r-vpb22u99
rexroth力士乐柱塞泵a10vso100dfr1/32r-vpb12noo
rexroth力士乐柱塞泵a10vso140drs/32r-vpb12noo
rexroth力士乐柱塞泵a10vso28dr/31r-ppa12noo
rexroth力士乐柱塞泵a10vso140dr/32r-ppb12noo
rexroth力士乐柱塞泵a4vso125dr/30r-ppb13noo
rexroth力士乐柱塞泵a4vso180dr/30r-ppb13noo
rexroth力士乐柱塞泵a4vso250dr/30r-ppb13noo
rexroth力士乐柱塞泵a4vso250drg/30r-ppb13noo
rexroth力士乐叠加式节流阀z2fs6-2-4x/2qv
rexroth力士乐叠加式节流阀z2fs10-5-3x/v
rexroth力士乐叠加式节流阀z2fs16-3x/s
rexroth力士乐叠加式节流阀z2fs16-3x/s2
rexroth力士乐叠加式节流阀z2fs22-3x/s
rexroth力士乐叠加式节流阀z2fs22-3x/s2
rexroth力士乐叠加式液控单向阀z2s6-1-6x
rexroth力士乐内啮齿轮泵pgh3-2x/016re07vu2
rexroth力士乐齿轮泵pgh4-2x/025re11vu2
rexroth力士乐齿轮泵pgh4-2x/032re11vu2
dg4v-5-2a-m-u-eh6-20
dg4v-5-2a-muh620
dg4v-5-2a-m-u-h6-20
dg4v-5-2a-m-u-h-6-20
dg4v-5-2a-vm-u-c6-20
dg4v-5-2blj-m-u-h6-20
dg4v-5-2b-m-pl-b-6-40
dg4v-5-2cj-m-u-h6-20
dg4v-5-2cj-vm-u-h6-20
dg4v-5-2cj-vm-u-h6-20（带插头）
dg4v-5-2c-m-u-a6-20
dg4v-5-2c-m-u-a6-20
dg4v-5-2c-m-u-a6-20+插头
dg4v-5-2c-mu-c6-20
dg4v-5-2c-m-u-eh6-20
dg4v-5-2c-m-u-h6-20
dg4v-5-2c-vm-u-hl6-20
dg4v-5-2nj-m-u-h6-20
dg4v-5-2nj-m-u-h6-20
dg4v-5-2nj-vm-u-h6-20
dg4v-5-2nj-vm-u-h6-20（带插头）
dg4v-5-2n-m-p7l-h-740
dg4v-5-2n-m-p7l-h-7-40
dg4v-5-2n-m-u-c6-20
dg4v-5-2n-m-u-c6-60
dg4v-5-2n-m-u-ek6-20
dg4v-5-2n-m-u-h-6-20
dg4v-5-33cj-m-u-h6-20
dg4v-5-33cj-muh620-j99
dg4v-5-33cj-vm-u-h6-20
dg4v-5-33c-m-p7l-h7-40
dg4v-5-33c-m-p7l-h740
dg4v-5-3cj-m-u-h6-20
dg4v-5-6c-h-m-u-c6-20
dg4v-5-6cj-h-vm-u-h6-20
dg4v-5-6cj-m-u-h6-20
dg4v-5-6cj-m-u-h6-20
dg4v-5-6cj-m-u-h6-20（带插头）
dg4v-5-6cj-m-u-h6-20-j06
dg4v-5-6cj-m-u-h6-20-j99
dg4v-5-6cj-vm-u-h5-20
dg4v-5-6cj-vm-u-h6-20
dg4v-5-6c-m-p7l-h-7-40
dg4v-5-6c-m-u-a6-20
dg4v-5-6c-m-u-a6-20+插头
dg4v-5-6c-mu-ek6-20
dg4v-5-6c-m-u-h6-20
dg4v-5-6cm-vm-u-h6-20（带插头）
dg4v-5-6c-vm-u-a6-20
dg4v-5-6nj-h-m-u-h6-20
dg4v-5-8cj-v-m-u-h6-20
dg4v-5-8cj-vm-u-h6-20
dg5s 8 2a m ftwl b5 30
dg5s 8 2al t m u h5 30
dg5s 8 2c t m fw b6 40
dg5s 8 2n t m u h5 30
dg5s 8 6c t m ftwl d5 30
dg5s 8 6c t m u h7 40
dg5s h8 0a e mu a6 41
dg5s h8 0al m u h5 50
dg5s h8 0c 2 s vm u h5 5
dg5s h8 0c e m u h5 50
dg5s h8 2a m u c5 50
dg5s h8 2a m u h5 50
dg5s h8 2a t vm u h5 50
dg5s h8 2c 2 m u c6 41
dg5s h8 2c m u d6 41
dg5s h8 2c m u h5 50
dg5s h8 2c t m u a5 50
dg5s h8 6c 2 e m u h5 50
dg5s h8 6c 2 t m u h5 50
tdm-1634
tdm-2124
tdm-2134
tdm-2154
tdm-3124
tdm-3134
tdm-3154
tcmcr-3-pt-10
tgma-3-c1-20
tgma-3-b-20
tgma-3-c2-20
tgma-3-t1-20-b/t
tgma-3-t2-20-b/t
tgma-5-b-10
tgma-5-b-20
tgma-5-c1-10
tgma-5-c1-20
tgma-5-c2-10
tgma-5-c2-20
tgma-5-t-11
tgma-5-t-20-b/t
tgmc-5-pt-*w-50
tgmc-5-at-*w-50
tgmc-5-bt-*w-50
tgmdc-3-y-al-50
tgmdc-5-y-p*-50
tgmdc-3-y-al-51
tgmcr-3-pt-10
tgmc-3-at-bw-50
tgmpc-3-abk-bak-50
tgmx2-3-pp-cw-g-50
tgmc2-3-ab-fw-ba-fw-50
tgmc-3-at-gw-50
tgmc-3-pt-fw-50
tgmc-3-at-fw-50
tgmc-3-bt-gw-50
tgmc-3-pt-bw-50
tgmfn-3-y-b2w-50
tgmfn-3-y-a2w-b2w-50
tgmfn-3-x-a2w-b2w-50
tgmfn-5-y-a2w-3zw-50
tgmx2-3-pp-bw-g-50
tgmx2-5-pp-fh-g-50
tgmc-2-3-at-gw-bt-bw-50
tgmc-5-bt-fh-50
tgmdc-5-x-t*-50
tgmdc-5-y-a*-50
tgmdc-5-y-b*-50
tgmr1-5-pp-*w-g-50
tgmr1-pp-*w-e-g-50
tgmrc-5-ax-*w-g-50
tgmrc-5-bx-*w-g-50
tgmrc-5-ax-*w-e-g-50
tgmrc-5-bx-*w-e-g-50
tgmrc-5-ay-*w-g-50
tgmrc-5-by-*w-g-50
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