
Revised 11/98 539Proportional Directional and Throttle Valves – Solenoid OperatedKDG4V-3S and KTG4V-3S standard performance series K(A)DG4V-3 and K(A)
10KDG4V-3S Flow Gain Curves 403632282420161284 403632282420161284Flow rate Flow rateFlow rateFlow rateFlow rateFlow rateSpool 2C15N" P-A or B
11 2018161412108642Flow rateFlow rateFlow rateFlow rate Flow rateFlow rate 10.09.08.07.06.05.04.03.02.01.0403632282420161284Spool 33C22A" P-A or
12KDG4V-3S Flow Gain Curves 403632282420161284 403632282420161284Flow rateFlow rateFlow rateFlow rateFlow rateFlow rate 10.09.08.07.06.05.04.03.02.0
13KDG4V-3S and KTG4V-3S Power Capacity Envelopes 2B15N"2B19N"2B08N"bar210bar210200180160140120100806040202C15N"Flow rate Loop
14KDG4V-3S and KTG4V-3S Frequency Response For amplitude of "25% maximum stroke(center to offset) about 50% position andp (P→A→B→T)=10 bar (145
15KDG4V-3S and KTG4V-3S Installation Dimensions 25,75(1.014)KDG4V-3S and KTG4V-3S with Junction BoxDimensions in mm (inches)3rd angleprojectionTwo lea
16KTG4V-3S with EN427 Feature bar210KTG4V-3S-2B 08N-(V)M-*** *** *(1)-H5-60-EN427Flow rate 5.04.54.03.53.02.52.01.51.0.5 2018161412108642Current - Am
17KDG4V-3S and KTG4V-3S Electrical Connections Terminal Strip for FT (Flying Lead) ModelsDimensions in mm (inches)Terminal strip (part number890345) c
18Model Code – K(A)*G4V-3 High Performance Valves Warning: To conform to the EC Electromagnetic Compatibility directive (EMC), this KADG4V or KATG4V
19K(A)DG4V-3 and K(A)TG4V-3 Application Data Operating temp 20 to 82C. . . (–4 to 180F)Fluid viscosity 16 – 54 cSt. . . (75–250 SUS)Weights (appr
2IntroductionKDG and KTG ValvesVickers KDG and KTG valves arenon-feedback type proportional valves.The KDG is a proportional directional valvewith two
20KADG4V-3 and KATG4V-3 Application Data KAD/TG4V-3 Valves with Integral AmplifiersPower supply24V DC (21V to 36V including 10% peak-to-peak max. ripp
21K(A)DG4V-3 and K(A)TG4V-3 Flow Paths Valve/Flow Path Spool Symbol K(A)DG4V-3 with Looped Flow Path.P→A or B, plus B or A→T**C28SABPT**C03F**C07N**C1
22K(A)DG4V-3 Flow Gain Curves 4.03.53.02.52.01.51.00.5 1412108642Looped Flow PathUSgpm4.54.03.53.02.52.01.51.00.517,515,012,510,0 7,55,02,5l/min100 20
237654321252015105Single Flow PathAt the stated valve pressure drops, the percentage command signals are applicable to whichever solenoid is energized
24K(A)TG4V-3 Flow Gain CurvesSingle Flow Path161412108642100 203040506070 8090100Command signal (% of max. signal)l/minUSgpm4.54.03.53.02.52.01.51.00.
25Parallel Flow Path5 bar (72 psi)Spool 2B13N" P to B and A to TSpool 2B20N" P to B and A to T8765432130252015105100 20304050 6070809010
26Power Capacity Envelopes K(A)DG4VĆ3 Single Flow PathValve pressure dropFlow rate0102030024 68l/minUSgpm500040003000200010000350300200100C07NC03FC20N
27K(A)DG4V-3 and K(A)TG4V-3 Frequency Response For amplitude of "25% maximum stroke about the 50% position, at p (P→B) = 5 bar (72 psi).Amplitud
WiringConnections must be made via the 7-pinplug mounted on the amplifier.Recommended cable sizes are:Power cables:For 24V supply0,75 mm2 (18 AWG) up
29KADG4V-3 & KATG4V-3 Typical Connection Arrangements Warning Do not ground pin C. If the local ground (pin C) is
3ContentsGeneral InformationTypical Applications, Meter-in and Meter-out, Valve Spool Position, Flow Rates, Recommended Fluids,Pressure Compensation,
30KDG4V-3 and KTG4V-3 Installation Dimensions 16,8 (0.66)3rd angleprojection24,0(0.94)24.5(0.96)21,75(0.86)48,00(1.9)KDG4V-3Dimensions in mm (inches)P
31KADG4V-3 and KATG4V-3 Installation DimensionsMetal plug 934939Cable outside diameter 8,0 to 10,5 (0.31 to 0.41)Must be used for full EMC protection.
32Mounting Requirements 12,70"0,20(0.500"0.008)5,10"0,20(0.201"0.008)0,75"0.10(0.030"0.004)M5-0.8-6H (.1900-24UNC-2B) th
33Fluid Cleanliness Proper fluid condition is essential for longand satisfactory life of hydrauliccomponents and systems. Hydraulic fluidmust have the
4General Information Typical ApplicationsThis type of valve is often used in bothmobile and industrial “line-of-sight”applications where speed and pos
5KTG4V-3S-2B**N KTG4V-3S-2F**N KTG4V-3S-33B**AKDG4V-3(S)-2C**NKDG4V-3S-33C**AKDG4V-3(S)-2C**SbABPTbABPTbABPTbABPTabABPTabABPTaCross Section of Typical
6System Calculations for Valve Selection The “rated flow” values for this range ofproportional valves are determined with alooped flow path pressure d
7Model Code – K*G4V-3S Standard Performance Valves Valve typeK – ProportionalValve functionD – Directional valve (Double solenoid, C models. S
8KDG4V-3S and KTG4V-3S Application Data Maximum current @ 50C (122 F)ambientG 3.2AH 1.6APower Consumption @ 20C (68F)G 18 WattsH 18 WattsGP 30 Wat
9KDG4V-3S and KTG4V-3S Flow Paths Valve/Flow Path Spool Symbol 2C08S2C15S2C19SABPTKDG4V-3S with Looped Flow Path.P→A or B, plus B or A→T2C08N2C15N2C19
Comentarios a estos manuales