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所示為采用單向順序閥（也稱平衡閥）的平衡回路。單向順序閥的調(diào)定壓力應(yīng)稍大于由工作部件自重而在液壓缸下腔形成的壓力。液壓缸不工作時(shí)，單向順序閥關(guān)閉，工作部件不會(huì)自行下落。換向閥左位接入后，液壓缸上腔通壓力油，當(dāng)下腔背壓力大于順序閥的調(diào)定壓力時(shí)，順序閥開(kāi)啟。由于液壓缸下腔一直存在背壓力，運(yùn)動(dòng)部件自重得到平衡，活塞可以平穩(wěn)地下落，不會(huì)產(chǎn)生超速現(xiàn)象DLHZO-TE-040-L11/I
DLHZO-TE-040-L11/I 40
DLHZO-TE-040-L13 40
DLHZO-TE-040-L31 40
DLHZO-TE-040-L31/FI 40
DLHZO-TE-040-L31/I
DLHZO-TE-040-L33/I 40
DLHZO-TE-040-L51
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DLHZO-TE-040-L51/FI 40
DLHZO-TE-040-L51/I
DLHZO-TE-040-L53
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DLHZO-TE-040-L53/I
DLHZO-TE-040-L53/I 40
DLHZO-TE-040-L71
DLHZO-TE-040-L71 40
DLHZO-TE-040-L71/I 40
DLHZO-TE-040-L71/Z
DLHZO-TE-040-L73 40
DLHZO-TE-040-L73/B 40
DLHZO-TE-040-L73/B SP-ZN-7P
DLHZO-TE-040-L73/Q 40
DLHZO-TE-040-T53/I 40
DLHZO-TE-040-T71/Q 40
DLHZO-TE-040-T73/I 40
DLHZO-TE-040-V11 40

DLHZO-T-040-L11
DLHZO-T-040-L11 31
DLHZO-T-040-L13
DLHZO-T-040-L13 31
DLHZO-T-040-L31
DLHZO-T-040-L31 31
DLHZO-T-040-L51
DLHZO-T-040-L53
DLHZO-T-040-L71
DLHZO-T-040-L71 31
DLHZO-T-040-L73
DLHZO-T-040-L73 31
DLHZO-T-040-V71
DLHZO-TE-040-L03 31
DLHZO-TE-040-L11
DLHZO-TE-040-L11 40
DLHZO-TE-040-L11/I
DLHZO-TE-040-L11/I 40
DLHZO-TE-040-L13 40
DLHZO-TE-040-L31 40
DLHZO-TE-040-L31/FI 40
DLHZO-TE-040-L31/I
DLHZO-TE-040-L33/I 40
DLHZO-TE-040-L51
SDKE-1751/2-X230AC

SDPHE-2711/DUX24DC

SDPHE-2713/DU-X24DC

SDPHE-3711/EU-X24DC

SDPHE-3714/8/DEU-X24DC

SDHE-0610-X 24DC

SDHE-0631/2/A-X 00 10S

SDHE-0631/2/A-X24DC 10S

SDHE-0631/2/A-X28DC 10S

SDHE-0631/2-X 00

SDHE-0631/2-X 230/50/60AC

SDHE-0631/2-X 24DC DLHZO-TE-040-L73/Q 40
DLHZO-TE-040-T53/I 40
DLHZO-TE-040-T71/Q 40
DLHZO-TE-040-T73/I 40
DLHZO-TE-040-V11 40
DLHZO-TE-040-V13
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DLHZO-TE-040-V71 40
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DLHZO-TES-PS-040-L51/1F
DLHZO-TES-PS-040-L51/I/F
DLHZO-TES-PS-040-L71