. Semi-standard Note 1) Based on dynamic performance test, JIS B 8374-1981. (Coil temperature: 20°C, at rated voltage, without surge voltage suppressor) Note 2) Impact resistance: No malfunction occurred when it is tested with a drop tester in the axial direction and at the right angles to the main valve and armature in both energized and de-energized states every once for each condition. (Values at the initial period) Vibration resistance: No malfunction occurred in a one-sweep test between 45 and 1000 Hz. Test was performed at both energized and de-energized states in the axial direction and at the right angles to the main valve and armature. (Values at the initial period) Note 3) At rated voltage Note 4) The value is different for continuous duty type (VT307E), and energy-saving type (VT307Y/W). Refer to “Valve Options” shown below. Note) Values for a single valve unit. It is not applicable to the manifold. Refer to the manifold specifications on page 2007. Make sure that dust and/or other foreign materials do not enter the valve from the unused port (e.g. exhaust port). Caution Continuous duty type: VT307E Exclusive use of VT307E is recommended for continuous duty with long time loading. Energy-saving type: VT307Y (VT307W) If low power consumption is required for electronic control, “VT307Y(W)” (1.8 W) is recommended. Vacuum spec. type: VT307V (VT307W) This vacuum model has less air leakage than the standard model under low pressure. It is recommended for vacuum application. 1. This model is for continuous duty, not for high cycle rates. But even in low cycle rates, if energizing the valve more than once a day, please consult with SMC. 2. Energizing solenoid should be done at least once in 30 days. Caution Since this valve has slight air leakage, it can not be used for vacuum holding (including positive pressure holding) in the pressure container. Caution Note) Refer to Note 1) of the standard specifications. Specifications different from standard are as follows. Note) Refer to Note 1) of the standard specifications. Operating pressure range .101.2 kPa to 0.1 MPa Specifications different from standard are as follows. Type of actuation Fluid Operating pressure range Ambient and fluid temperature Response time Note 1) Max. operating frequency Lubrication Manual override Mounting orientation Impact/Vibration resistance Note 2) Enclosure Direct operated type 2 position single solenoid Air 0 to 1 MPa (High-pressure type), 0 to 0.7 MPa (Standard type) .10 to 50°C (No freezing) 20 ms or less (at 0.5 MPa) 10 Hz Not required (Use turbine oil Class 1 ISO VG32, if lubricated.) Non-locking push type Unrestricted 150/50 m/s2 Dustproof Electrical entry Coil rated voltage (V) Allowable voltage fluctuation Apparent power Note 3) Note 4) AC DC AC DC DC AC (50/60 Hz) Inrush Holding Grommet, DIN terminal 100, 200, 110., 220., 240. 24, 12. .15 to +10% of rated voltage 12.7 VA (50 Hz), 10.7 VA (60 Hz) 7.6 VA (50 Hz), 5.4 VA (60 Hz) Without indicator light: 4 W, With indicator light: 4.2 W Varistor, LED Diode, LED Power consumption Note 3) Note 4) Light/Surge voltage suppressor (DIN terminal type only) C[dm3/(s・bar)] b Cv Weight Grommet Port size 1/8 1/4 Valve model VT307 VT307V (Vacuum spec. type) VT307E (Continuous duty type) VT307Y (Energy-saving type) VT307W (Energy-saving, Vacuum spec. type) VT307 VT307V (Vacuum spec. type) VT307E (Continuous duty type) VT307Y (Energy-saving type) VT307W (Energy-saving, Vacuum spec. type) C[dm3/(s・bar)] b Cv C[dm3/(s・bar)] b Cv C[dm3/(s・bar)] b Cv 0.71 0.41 0.71 0.49 0.35 0.26 0.31 0.20 0.18 0.10 0.19 0.12 0.68 0.44 0.71 0.44 0.27 0.35 0.25 0.34 0.17 0.11 0.17 0.11 0.65 0.48 0.68 0.48 0.36 0.27 0.33 0.17 0.17 0.12 0.17 0.12 0.63 0.35 0.71 0.46 0.35 0.33 0.26 0.28 0.17 0.10 0.18 0.11 Flow-rate characteristics 1 → 2 (P → A) 2 → 3 (A → R) 3 → 2 (R → A) 2 → 1 (A → P) 0.15 kg Apparent power/ AC Inrush Holding 7.9 VA (50 Hz), 6.2 VA (60 Hz) 5.8 VA (50 Hz), 3.5 VA (60 Hz) Power consumption/DC 1.8 W, With indicator light: 2 W Response time Note) 30 ms or less (at 0.5 MPa) Specifications different from standard are as follows. 1.8 W, With indicator light: 2 W 25 ms or less (at 0.5 MPa) Power consumption/DC Response time Note) Valve Options Standard Specifications Flow-rate Characteristics/Weight Series VT307 2004