VNC - SMC

Coolant ValveSeries VNCAir Operated/External Pilot SolenoidCylinder actuation by pilot airWide selection of portsize and variationsThreaded type (6A to 50A)Flange type (32F to 80F)Low water hammerFor details, refer to page 407.Large valve capacityAv factor 30 x 10 -6 to 1600 x 10 -6(VNC1 to VNC7)Cv factor 49 to 100(VNC8 to VNC9)VNAVNBSGCVNCVNHVNDVCC399

Coolant Valve:Air Operated/External Pilot SolenoidSeries VNCHow to OrderAir operatedABSeal materialNBR sealsFKM sealsThread typeNilFNTRcGNPTNPTFBracket (Valve size: 1/2/3/4)NilB Note)NoneWith bracket (VN-16)Note) Only valve sizes 1, 2, 3 and 4.Shipped after assembled at ourfactory.Bracket part no.Valve size 1: VN1-A16 (with thread)Valve sizes 2 to 4: VN-162 to 4VNC 2 0 1 A 15A (Except valve size 8, 9)External pilot solenoid 2VNC 1 1 A 15A 1TManual overrideNil: Non-locking push typeValve sizeSymbol123456789Orificediameter(mm)ø7ø15 (ø11)ø20 (ø14)ø25 (ø16)ø32 (ø22)ø40 (ø28)ø50 (ø33)ø65 (ø45)ø80 (ø56)Valve typeSymbol1 2 4N.C. N.O. N.C.0.5 MPa 1 MPa 1 MPaValues in parentheses are N.C. at 1 MPa.1 1 2Port size Rated voltageSymbolNil Air operatedPort1 100 VAC 50/60 HzsizeRc 2 200 VAC 50/60 Hz40A3 ∗ 110 VAC 50/60 Hz6A 1 8 4 ∗ 220 VAC 50/60 Hz8A 1 4 5 24 VDC10A 3 8 6 ∗ 12 VDC10A 3 8 7 ∗ 240 VAC 50/60 Hz15A 1 2 9 ∗ Other20A 3 425A 1∗ Semi-standard32A 1 1 432F11 4 BFlange40F11 2 BFlange50A 250F65F80F2BFlange21 2 BFlange3BFlange∗ Semi-standardElectrical entry/With light/surge voltage suppressorNilAir operatedGGrommetGS Grommet with surge voltage suppressorEGrommet terminalEZTTZDDZTTSTZ ∗TL ∗B: Slotted locking type B(tool required)Nil: Non-locking push typeA: Non-locking ∗push type A(projecting)Grommet terminal with light/surge voltage suppressorConduit terminalConduit terminal with light/surge voltage suppressorDIN terminalDIN terminal with light/surge voltage suppressorConduit terminalConduit terminal with surge voltage suppressorConduit terminal with light/surge voltage suppressorConduit terminal with indicator lightValvesize1Valvesize1Valvesize2 to 9Valve ∗∗size2 to 9∗ Except rated voltage: 6, 7 and 9.∗∗ DIN terminal be sure to add suffix -X200 at the end of the part number.In this case, pilot solenoid valve is VO307-D.∗400

Coolant Valve:Air Operated/External Pilot SolenoidSeries VNCThreaded Type/Port size: 6A, 8A, 10APilot port 12(P1)12 x 8 (Back side 10(P2))12.5 39.5Manual override(Non-locking push type)127 (Conduit terminal: T, DIN terminal: D)108.2 (Grommet terminal: E)106.7 (Grommet: G)63 (Air operated)6(1.6)12427Main port 1 (Back side port 2)Port size: refer to table below244565 (Grommet terminal: E) ∗70 (Conduit terminal: T) ∗74 (DIN terminal: D) ∗Bracket2 x ø4.52 x M4 x 0.7 depth 7ModelVNC1-6AVNC1-8AVNC1-10AMain port 1, 21 81 43 818405018∗ In the case of “EZ” or “TZ” or “DZ”, the length is longer by 9 mm.VNAVNBSGCVNCVNHVNDVCC403

Series VNCThreaded Type/Port size: 10A, 15A, 20A, 25AElectrical entry port: G 1 /2ModelVNC2-10AVNC2-15AVNC3-20AVNC4-25AMain port1, 23 81 23 41Threaded Type/Port size: 32A, 40A, 50AModelVNC5-32AVNC6-40AVNC7-50AMain port1, 21 1 41 1 221 4 140 113 74 374 x øNPilot port 12(P1)12 x 8 (Back side 10(P2))Main port 1 (Back side port 2)Port size: refer to table belowA B C D E F H J63 42 28 14 72.5 80.5 8763 42 28 14 72.5 80.5 8780 50 35 17.5 84 92 9290 60 40 20 100 108 93Pilot port12(P1), 10(P2)Port size: refer to tablebelowMain port 1(Back side port 2)Port size: refer to tablebelowA B C D1 8 105 77 53 26.51 4 120 96 60 30Pilot port12(P1), 10(P2)180.5180.5192208K148148159.5175.5E120.5137160L52526272F202424M26263136Manual override(Non-locking push type)BracketN4.54.55.56.5H129.5147170P24.324.328.333.3Q2.32.32.32.3R25253035Electrical entry port: G 1 /2S34344349Manual override(Non-locking push type)J229.5247270K197214.5237.5T555560.573L556374404

Coolant Valve:Air Operated/External Pilot SolenoidSeries VNCFlange Type/Port size: 32F, 40F, 50FElectrical entry port: G 1 /2Pilot port 12(P1), 10(P2)Port size: refer to table belowManual override (Non-locking push type)4 x 2 x ø18 mouting holeModelVNC5-32FVNC6-40FVNC7-50FApplicable flangePort 1, 2Pilot port12(P1), 10(P2)321 8401 4501 4A130150180B210.5226250C135140155D134146162.5E202424F100105120H364254J121214K310.5326350L278293.5317.5Flange Type/Port size: 65F, 80FElectrical entry port: G 1 /2Pilot port12(P1), 10(P2)Manual override (Non-locking push type)VNAVNBSGCVNC4 x 2 x ø18 mouting hole(80F: 8 x 2 x ø18)VNHVNDModel1VNC81 4-65F1VNC91 -80F4Applicable flangePort 1, 26580A210240B305.5341.5C175185D204235E140150F6580H405.5441.5VCC405

Series VNCHow to Order Pilot Solenoid ValvesValve size 1 Valve size 2 to 9SF4 1 D Z 23Coil rated voltage1 100 VAC 50/60 Hz9 ∗ Other2 200 VAC 50/60 Hz3 ∗ 110 VAC 50/60 Hz4 ∗ 220 VAC 50/60 Hz5 24 VDC6 ∗ 12 VDC7 ∗ 240 VAC 50/60 Hz∗ Semi-standardManual overrideNil Non-locking push typeNon-locking push type AA ∗(projecting)Slotted locking type BB ∗(tool required)∗ Semi-standardLight/Surge voltage suppressorNil NoneWith light/Surge voltageZsuppressor (Except type “G”)With surge voltage suppressorS(Type “G” only)Electrical entryGETDGrommetGrommet terminalConduit terminalDIN terminalVO301 00 T X302Coil rated voltage1 100 VAC 50/60 Hz9 ∗ Other2 200 VAC 50/60 Hz3 ∗ 110 VAC 50/60 Hz4 ∗ 220 VAC 50/60 Hz5 24 VDC6 ∗ 12 VDC7 ∗ 240 VAC 50/60 Hz∗ Semi-standardAccessoryFunction plate (D seal, with thread): DXT060-32-4ALight/surge voltagesuppressorNil NoneWith surge voltageSsuppressorZ ∗ With light/surge voltagesuppressorL ∗ With indicator light∗ Except 12 VDC, 240 VAC, othervoltages.406

Series VNCSpecific Product PrecautionsBe sure to read this before handling.Refer to front matters 42 and 43 for Safety Instructions, and pages 17 to 19 for 2 PortSolenoid Valves for Fluid Control Precautions.External PilotCautionPilot port 12(P1) and 10(P2) pipingP1 and P2 piping should be as followsaccording to the model.Port12(P1)Air operated1VNC0 4 VNC02External pilotBleed portSolenoid1VNC1 2External pilot10 Bleed port External pilot Pilot exhaust(P2)Installing a silencer to the exhaust port and thebleed port is recommended for noise reductionand for dust entry prevention.4PipingCautionWhen high temperature fluids are used,use fittings and tube with heat resistantfeatures. (Self-align fittings, Teflon ® tubing,Copper piping, etc.)Pilot Solenoid ValveWarningWith external pilot solenoids, the pilot solenoidvalves are not splash proof specifications,and so care must be taken not to getfluid on oneself such as when performingmaintenance.CautionDirection of mountingWhen replacing a valve, if an external pilotsolenoid valve is mounted in the wrongdirection, it may malfunction or leak air.Water Hammer CharacteristicsVNC1 (N.C. 0.49 MPa)Conditions: Piping 30 mSteel tube, total pressure 0.49 MPaVNC4 (N.C. 0.97 MPa)2.5Conditions: Piping 30 mSteel tube, total pressure 0.97 MPaPeak pressure at valve closed (MPa)10.80.60.40.280F15A65F50 A F40 A F32 A F20A25APeak pressure at valve closed (MPa)21.61.20.80.48A65F80F20A32 A F25A15A40 A F50 A F01 2 3 4 5Flow velocity (m/s)Calculating the Flow Velocityv = 21.2 x Q/d 201 2 3 4 5 6Flow velocity (m/s)VNAVNBSGC(Symbol)v: flow velocity (m/s)Q: flow rate (l/min)d: piping inner diameter (mm)VNCVNHVNDVCC407