[PPT]Hydraulic Direction control valves - · Web viewTitle Hydraulic Direction control valves Author Janardhana Rao Last modified by Janardhana Rao Created Date 6/12/2008 10:30:53

Hydraulic Direction control valves

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Dir.Op. D.C.Vlv. Mech.Op. 4/3 Way, Size 10

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Dir.Op. D.C.Vlv. Elect.Op. 4/2 Way, Size 10

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Dir.Op. D.C.Vlv. Elect.Op. 4/3 Way, Size 10

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Solenoid varieties ( Dry & Wet )

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Pneumatically operated direction control valve

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Leak free directional spool valve

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Frequently used types sliding spools (Rexroth Denomination)

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Spool Overlap positions in D.C.Vlvs.

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Spool Overlap positions in D.C.Vlvs (Positive overlap)

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Spool Overlap positions in D.C.Vlvs (Negative overlap)

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Spool Overlap positions in D.C.Vlvs (Zero overlap)

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Pil.Op. D.C.Vlv. 4/3 Way, W/o. Pilot choke

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Pil.Op. D.C.Vlv. 4/3 Way, W/o. Pilot choke - 01

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Pil.Op. D.C.Vlv. 4/3 Way, With Pilot choke

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Poppet type Directional control valve 3/2 Way

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Poppet type Directional control valve – 3/2 Way - New

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Poppet type D.C. Vlv. - 4/2 Way concept

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Rotary spool type valve with detent (Typical example)