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A 2 port valve for flow control made by SMC.
[Features]
· Wide variety of applicable fluids
· Cylinder actuation by external pilot air
· Wide variations
VNB Series external appearance
Fluid (Main Piping) | Water, oil, air, vacuum, etc. | ||
---|---|---|---|
Fluid Temperature | VNB□□□A, VNB□1□B VNB□1□C | *1: -5 to +60°C | |
VNB□0□B VNB□0□C | *1: -5 to +99℃ (Water, oil, etc. Air-operated type only) | ||
Ambient Temperature | *1 -5 to +50°C (60°C for air-operated type) | ||
Proof Pressure | 1.5 MPa | ||
Operating Pressure *4 | VNB□□1□ | Low vacuum to 0.5 MPa | |
VNB□□2□ VNB□□3□ VNB□□4□ | Low vacuum to 1 MPa | ||
External Pilot Air | Pressure | VNB□□1□ VNB□□4□ | 0.25 to 0.7 MPa |
VNB□□2□ VNB□□3□ | 0.1 + 0.25 × (operating pressure) to 0.25 + 0.25 × (operating pressure) MPa*3 | ||
Lubrication | Not required (if lubricating, use turbine oil class 1 ISO VG32 *2) | ||
Temperature | *1 -5 to +50°C (60°C for air-operated type) | ||
Mounting Orientation | *5 Unrestricted |
*1: No freezing.
*2: Do not lubricate if seal material is EPR.
*3: For low vacuums, keep the pilot pressure in the 0.125 to 0.275‑MPa range.
*4: The pressure differential between port 1 (A) and 2 (B) must not exceed the maximum operating pressure.
*5: However, if the external pilot is a solenoid type, SMC recommends mounting the pilot solenoid valve in an upward facing vertical or horizontal orientation.
VNB□01/4 JIS symbol
VNB□02 JIS symbol
VNB□03 JIS symbol
VNB□11/4 JIS symbol
*When using in vacuums, ensure flow direction is from port 1 (A) to port 2 (B).
Model | Piping Connection Port Diameter (Threaded) | Orifice Diameter ø[mm] | Flow Rate Characteristics | Weight (kg) | |||||
---|---|---|---|---|---|---|---|---|---|
Measured with Air | Measured with Water | ||||||||
C [dm3/(bar·sec)] | b | Cv | Kv | Conversion Cv | Air Operated Type | External Pilot Solenoid Type | |||
VNB1□□□-6A | 1/8 | 7 | 3.3 | 0.29 | 0.80 | 0.9 | 1.0 | 0.3 | 0.4 |
VNB1□□□-8A | 1/4 | 4.6 | 0.17 | 1.0 | 1.0 | 1.2 | |||
VNB1□□□-10A | 3/8 | 4.7 | 0.18 | 1.1 | 1.1 | 1.3 | |||
VNB2□4□-10A | 11 | 9.6 | 0.40 | 2.6 | 2.5 | 2.9 | 0.6 | 0.7 | |
VNB2□□□-10A | 15 | 17 | 0.32 | 4.0 | 3.9 | 4.5 | |||
VNB2□4□-15A | 1/2 | 11 | 9.6 | 0.40 | 2.6 | 2.7 | 3.1 | ||
VNB2□□□-15A | 15 | 19 | 0.24 | 4.8 | 5.0 | 5.8 | |||
VNB3□4□-20A | 3/4 | 14 | 18 | 0.42 | 5.4 | 5.0 | 5.8 | 0.9 | 1.0 |
VNB3□□□-20A | 20 | 35 | 0.13 | 7.4 | 9.6 | 11 |
Model | Piping Connection Port Diameter | Orifice Diameter ø[mm] | Flow Rate Characteristics | Weight (kg) | ||||
---|---|---|---|---|---|---|---|---|
Thread | *Flange | Measured with Air | Measured with Water | |||||
Effective Area (mm2) | Kv | Conversion Cv | Air Operated Type | External Pilot Solenoid Type | ||||
VNB4□4□-25A | 1 | - | 16 | 130 | 6.1 | 7.0 | 1.4 | 1.5 |
VNB4□□□-25A | 25 | 220 | 10.4 | 12 | ||||
VNB5□4□-32A | 1 1/4 | - | 22 | 210 | 9.8 | 11 | 2.5 | 2.6 |
VNB5□□□-32A | 32 | 320 | 15.6 | 18 | ||||
VNB5□4□-32F | - | 32 | 22 | 210 | 9.8 | 11 | 5.7 | 5.8 |
VNB5□□□-32F | 32 | 320 | 15.6 | 18 | ||||
VNB6□4□-40A | 1 1/2 | - | 28 | 330 | 16.4 | 19 | 4.1 | 4.2 |
VNB6□□□-40A | 40 | 500 | 24.2 | 28 | ||||
VNB6□4□-40F | - | 40 | 28 | 330 | 16.4 | 19 | 7.7 | 7.8 |
VNB6□□□-40F | 40 | 500 | 24.2 | 28 | ||||
VNB7□4□-50A | 2 | - | 33 | 520 | 25.1 | 29 | 6.3 | 6.4 |
VNB7□□□-50A | 50 | 770 | 37.2 | 43 | ||||
VNB7□4□-50F | - | 50 | 33 | 520 | 25.1 | 29 | 11.4 | 11.5 |
VNB7□□□-50F | 50 | 770 | 37.2 | 43 |
*The accompanying flange should be JIS B 2210 10K (ordinary) or its equivalent.
Piping Connection Port Diameter | 6 A to 25 A | 32 A to 50 A | ||
---|---|---|---|---|
Pilot Solenoid Valve*1 | SF4-□□□-23 SF4-□D-23-Q SF4-□DZ-23-Q | SF4-□□□1 SF4-□D1-Q SF4-□DZ1-Q | ||
Electrical Entry | Grommet, grommet terminal Conduit terminal DIN Terminal | Grommet, DIN terminal | ||
Coil Rated Voltage (V) | AC (50/60 Hz) | 100 V, 200 V, other (semi-standard) | ||
DC | 24 V, other (semi-standard) | |||
Allowable Voltage Fluctuation | -15 to +10% of rated voltage | |||
Temperature rise value | 35°C or less (when rated voltage is applied) | 50℃ or less (when rated voltage is applied) | ||
Apparent Power | AC | Inrush | 5.6 VA (50 Hz), 5.0 VA (60 Hz) | 12.7 VA (50 Hz), 10.7 VA (60 Hz) |
Holding | 3.4 VA (50 Hz), 2.3 VA (60 Hz) | 7.6 VA (50 Hz), 5.4 VA (60 Hz) | ||
Power Consumption | DC | 1.8 W (without indicator light), 2 W (with indicator light) | 4 W (without indicator light), 4.2 W (with indicator light) | |
Manual Operation | Non-locking push type Other (semi-standard) | Non-locking push type |
*1 See catalog for information on ordering pilot solenoid valves.
*2 The vacuum pilot type pilot solenoid valve is VO307V-□□□1.
*3 The vacuum pilot-operated CE compliant pilot solenoid valve is VO307V-□D/DZ1-Q.
VNB Series (N.C. type) diagram
VNB Series (N.O. type) diagram
*The C.O. type structure does not include return spring 6.
Number | Part Name | Material | Notes |
---|---|---|---|
1 | Body | *2 Bronze | Clear coating |
2 | Cover Assembly | Aluminum alloy | Platinum silver coated |
3*1 | Plate Assembly | Brass*2 | Seal material (NBR, FKM, EPR) |
*1: 4 | Valve Element | Stainless steel or brass *2 | Seal materials (NBR, FKM, EPR) |
5 | Piston Assembly | Aluminum alloy | - |
6 | Return Spring | Piano wire | - |
7 | Pilot Solenoid Valve | - | - |
*1 Parts 3 and 4 are for selection of valve composition.
*2 Body option S is stainless steel; L is aluminum.
For VNB□01/4□, □11/4□ (N.C. Type)
For Opening the Valve
For Closing the Valve
For VNB□02□, □12□ (N.O. Type)
VNB□03□ (C.O. Type)
(Units: mm)
Standard type (piping connection port diameter: 6A, 8A, 10A) dimensional drawing
*10 mm longer for EZ and TZ, and 17 mm longer for DZ.
(Units: mm)
Standard type (piping connection port diameter: 10A, 15A, 20A, 25A) dimensional drawing
*10 mm longer for EZ and TZ, and 17 mm longer for DZ.
(Units: mm)
Model | Main Port 1 (A), 2 (B) | A | B | C | D | E | F | G | H | I | J | K | L | M | N | P | Q | R | S | T | U |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
VNB2□□□-10A | 3/8 | 63 | 42 | 28 | 14 | 72.5 | 80.5 | 75 | 80 | 84.5 | 124 | 125.5 | 144.5 | 52 | 26 | 4.5 | 24.3 | 2.3 | 25 | 34 | 55 |
VNB2□□□-15A | 1/2 | ||||||||||||||||||||
VNB3□□□-20A | 3/4 | 80 | 50 | 35 | 17.5 | 84 | 92 | 84 | 89 | 93.5 | 135.5 | 137 | 156 | 62 | 31 | 5.5 | 28.3 | 2.3 | 30 | 43 | 60.5 |
VNB4□□□-25A | 1 | 90 | 60 | 44 | 22 | 100 | 108 | 90 | 95 | 99.5 | 151.5 | 153 | 172 | 72 | 36 | 6.5 | 33.3 | 2.3 | 35 | 49 | 73 |
(Units: mm)
Vacuum pilot type (piping connection port diameter: 10A, 15A, 20A, 25A) dimensional drawing
(Units: mm)
Model | Main Port 1 (A), 2 (B) | A | B | C | D | E | F | G | H | I | J | K | L | M | N | P | Q | R | S |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
VNB2□□□V-10A | 3/8 | 63 | 42 | 28 | 14 | 72.5 | 80.5 | 72.2 | 95.3 | 121.1 | 162.5 | 52 | 26 | 4.5 | 24.3 | 2.3 | 25 | 34 | 55 |
VNB2□□□V-15A | 1/2 | ||||||||||||||||||
VNB3□□□V-20A | 3/4 | 80 | 50 | 35 | 17.5 | 84 | 92 | 77.2 | 100.3 | 132.6 | 174 | 62 | 31 | 5.5 | 28.3 | 2.3 | 30 | 43 | 60.5 |
VNB4□□□V-25A | 1 | 90 | 60 | 44 | 22 | 100 | 108 | 78.2 | 101.3 | 148.6 | 190 | 72 | 36 | 6.5 | 33.3 | 2.3 | 35 | 49 | 73 |
*See the SMC catalog for information other than that detailed above.
Part Number |
---|
VNB311AS-20A-2D |
Part Number | Price | Name | Minimum Order Qty. | Volume Discount | Days to Ship | RoHS | Type | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Tube Flange Nominal | Orifice Dia. (Ø) | Operating Temperature Range (°C) | Number of Solenoids | Voltage | Sealing materials | Option | Body material | Bracket | Lead wire length (mm) | Functions | CE compliant | Lead wire electrical entry | Manual operation type |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
฿ 6,270.45 | SMC SOLENOID AIR VALVE | 1 Piece(s) | 55 Day(s) | - | Electromagnetic Type | Normally Closed | [Rc (R)] Rc | 3/4 | Pilot Type | - | 20 | -5~50 | Single Solenoid | 200 V AC 50/60 Hz | NBR | Standard type | Stainless steel | None | - | None | - | DIN terminal | Non-locking, push type |
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Applicable Fluid | Air / Water / Vacuum / Oil / Gas | Operating Environment | Standard | Application | Single Item |
---|
Please check the type/dimensions/specifications of the part VNB311AS-20A-2D in the Process Valve, 2 Port Valve For Flow Control VNB Series series.
Part Number |
---|
VNB102A-6A-B |
VNB102A-8A |
VNB102A-8A-B |
VNB311AS-20A-2D-B |
VNB311AS-20A-2DZ |
VNB311AS-20A-2DZ-B |
Part Number | Price | Minimum Order Qty | Volume Discount | Days to Ship | RoHS | Type | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Tube Flange Nominal | Orifice Dia. (Ø) | Operating Temperature Range (°C) | Number of Solenoids | Voltage | Sealing materials | Option | Body material | Bracket | Lead wire length (mm) | Functions | CE compliant | Lead wire electrical entry | Manual operation type |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
฿ 1,666.85 | 1 Piece(s) | Same day | - | Air Operating Type | Normally Open | [Rc (R)] Rc | 1/8 | Pilot Type | - | 7 | -5~60 | - | - | NBR | Standard type | Bronze | Included | - | None | - | None | Locking type B (tool required) | ||
฿ 1,594.60 | 1 Piece(s) | 55 Day(s) | - | Air Operating Type | Normally Open | [Rc (R)] Rc | 1/4 | Pilot Type | - | 7 | -5~60 | - | - | NBR | Standard type | Bronze | None | - | None | - | None | Non-locking, push type | ||
฿ 1,666.85 | 1 Piece(s) | 55 Day(s) | - | Air Operating Type | Normally Open | [Rc (R)] Rc | 1/4 | Pilot Type | - | 7 | -5~60 | - | - | NBR | Standard type | Bronze | Included | - | None | - | None | Locking type B (tool required) | ||
฿ 6,488.05 | 1 Piece(s) | 55 Day(s) | - | Electromagnetic Type | Normally Closed | [Rc (R)] Rc | 3/4 | Pilot Type | - | 20 | -5~50 | Single Solenoid | 200 V AC 50/60 Hz | NBR | Standard type | Stainless steel | Included | - | None | - | DIN terminal | Non-locking, push type | ||
฿ 6,379.25 | 1 Piece(s) | 55 Day(s) | - | Electromagnetic Type | Normally Closed | [Rc (R)] Rc | 3/4 | Pilot Type | - | 20 | -5~50 | Single Solenoid | 200 V AC 50/60 Hz | NBR | Standard type | Stainless steel | None | - | None | - | DIN terminal with light and surge voltage suppressor | Non-locking, push type | ||
฿ 6,596.00 | 1 Piece(s) | 55 Day(s) | - | Electromagnetic Type | Normally Closed | [Rc (R)] Rc | 3/4 | Pilot Type | - | 20 | -5~50 | Single Solenoid | 200 V AC 50/60 Hz | NBR | Standard type | Stainless steel | Included | - | None | - | DIN terminal with light and surge voltage suppressor | Non-locking, push type |
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