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1、COMPACT CATALOGUESECTIONAL PROPORTIONALLOAD-SENSING VALVEDLS16FeaturesSimple, compact and heavy duty designed sectional valves from 1 to 10 sections, for systems with fixed displacement pumps (open centre version) or variable displacement pumps with Load-Sensing compensator (closed centre version).H
2、 Load-indipendent flow control.H Fitted with a main pressure relief valve and a load check valve on every working section.H Diameter 20 mm - 0.79 in nterchangeable spools.H A wide variety of ports service valves.H Available manual, pneumatic, hydraulic, electro-hydraulic and remote with flexible cab
3、les spool control kits.Working conditionsThis catalogue shows technical specifications and diagrams measured with mineral oil of 46 mm2/s - 46 cSt viscosity at 40C temper-ature.Nominal flow ratingStand by 14 bar / 200 psi140 l/minOperating pressure (maximum)315 bar4600 psiBack pressure (maximum)on o
4、utlet port T25 bar360 psiInternal leakage A(B)TDp=100 bar - 1450 psi3 cm3/min0.18 in3/minfluid and valve at 40CFluidMineral base oilFluid temperaturewith NBR (BUNA-N) sealsfrom -20to 80Cwith FPM (VITON) sealsfrom -20to 100CViscosityoperating rangefrom 15 to 75 mm2/sfrom 15 to 75 cStmin.12 mm2/s12 cS
5、tmax.400 mm2/s400 cStMax level of contamination19/16 - ISO 4406Ambient temperaturefrom -40 to 60CTie rod tightening torque40 Nm29.6 lbftNOTE - For different conditions please contact Customer Service.Additional informationThis catalog shows the product in the most usual configurations.Please contact
6、 Customer Service Dpt. for more detailled information or special request.WARNING!All specifications of this catalog refers to the standard product at this date. Walvoil, oriented to a continuous improvement, reserves the right to discontinue, modify or revise the specifications, without notice.WALVO
7、ILISNOTRESPONSIBLEFORANYDAMAGECAUSEDBYANINCORRECT USE OF THE PRODUCT.2nd edition November 2000:This edition supercedes all prior documents.2DCC003EDLS16Dimensional data (with inlet compensator)WALVOILValve typeP000000111E213000MADE IN ITALYE5.522.5F125.50.220.890.470.221448620.551.892.448310.52052.5
8、0971.84313.100943.5303.9511.M10573.892.M10541.631.66484855.52.601.891.892.19Production batch :P00 = production year (2000)00001 = progressive number112.54.43WALVOIL P0000001 11E213000 MADE IN ITALY0.47 1237.5821.483.23131.55.18Position 1Posit. 0Position 2TYPEEFWeightmminmminkglbDLS16/1177.56.991244.
9、8814.231.3DLS16/2225.58.881726.7720.344.8DLS16/3273.510.772208.6626.458.2DLS16/4321.512.6626810.5532.571.6DLS16/5369.514.5531612.4438.785.3TYPEEFWeightmminmminkglbDLS16/6417.516.4436414.3344.898.8DLS16/7465.518.3341216.2250.9112.2DLS16/8513.520.2246018.1157125.7DLS16/9561.522.115082063.1139.1DLS16/1
10、0609.524.0055621.9069.2152.6Standard threadsPORTSBSPUN-UNF(ISO 228/1)(ISO 11926-1)Inlet P - Outlet TG 11 5/16-12 UN-2B (SAE 16)A and B portsG 3/41 1/16-12 UN-2B (SAE 12)Load sensing LSG 1/49/16-18 UNF-2B (SAE 6)PILOT PORTSPneumaticNPTF 1/8-27NPTF 1/8-27HydraulicG 1/49/16-18 UNF-2B (SAE 6)DCC003E3DLS16Hydraulic circuitFixed displacement pump (open centre)PLS 0.039in 1mmEx.: DLS16/2/AM(G3-125)/6Z8LFG/6Z8LFG/RFA1 B1A2 B21.25mm0.049in1251800TVariable displacement
