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A coolant valve made by SMC.
[Features]
· Cylinder actuation by pilot air
· Wide selection of port sizes and variations
· Low water hammer
· Large valve capacity
VNC Series external appearance 1
VNC Series external appearance 2
Fluid (Main Piping) | Coolant *2 | ||
---|---|---|---|
Fluid Temperature | VNC□□□A VNC□1□B | *1: -5 to +60°C | |
VNC□0□B | *1: -5 to +99℃ | ||
Ambient Temperature | *1: -5 to +50°C (60°C for air-operated type) | ||
Proof Pressure | 1.5 MPa | ||
Operating Pressure Range | VNC□□1□ | 0 to 0.5 MPa | |
VNC□□2□ VNC□□4□ | 0 to 1 MPa | ||
External Pilot Air | Pressure | VNC□□1□ VNC□□4□ | 0.25 to 0.7 MPa |
VNC□□2□ | 0.1 + 0.25 × (operating pressure) to 0.7 MPa *See table 1 | ||
Lubrication | Not required (if lubricating, use turbine oil class 1 ISO VG32) | ||
Temperature | *1: -5 to +50°C (60°C for air-operated type) | ||
Mounting Orientation | *3: Unrestricted |
*1 No freezing.
*2: This product cannot be used for water.
*3: However, if the external pilot is a solenoid type, SMC recommends mounting the pilot solenoid valve in an upward facing vertical or horizontal orientation.
Table 1: VNC□□2□ pilot pressure (N.O. type)
Model | Piping Connection Port Diameter | Orifice Diameter ø[mm] | Flow Rate Characteristics | Weight (kg) | |||
---|---|---|---|---|---|---|---|
Thread | Flange* | Kv | Conversion Cv | Air Operated Type | External Pilot Solenoid Type | ||
VNC1□□□-6A | 1/8 | - | 7 | 1.1 | 1.2 | 0.2 | 0.3 |
VNC1□□□-8A | 1/4 | - | 1.1 | 1.3 | |||
VNC1□□□-10A | 3/8 | - | 1.3 | 1.5 | |||
VNC2□4□-10A | 11 | 3.4 | 3.9 | 0.5 | 0.7 | ||
VNC2□□□-10A | 15 | 4.3 | 5.0 | ||||
VNC2□4□-15A | 1/2 | - | 11 | 3.9 | 4.5 | ||
VNC2□□□-15A | 15 | 5.0 | 5.8 | ||||
VNC3□4□-20A | 3/4 | - | 14 | 6.1 | 7.0 | 0.8 | 1.0 |
VNC3□□□-20A | 20 | 9.3 | 11 | ||||
VNC4□4□-25A | 1 | - | 16 | 7.9 | 9.1 | 1.2 | 1.4 |
VNC4□□□-25A | 25 | 13.2 | 15 | ||||
VNC5□4□-32A | 1 1/4 | - | 22 | 14.3 | 17 | 2.2 | 2.4 |
VNC5□□□-32A | 32 | 20.0 | 23 | ||||
VNC5□4□-32F | - | 32 | 22 | 14.3 | 17 | 5.0 | 5.2 |
VNC5□□□-32F | 32 | 20.0 | 23 | ||||
VNC6□4□-40A | 1 1/2 | - | 28 | 22.5 | 26 | 3.6 | 3.8 |
VNC6□□□-40A | 40 | 29.3 | 34 | ||||
VNC6□4□-40F | - | 40 | 28 | 25.7 | 30 | 6.8 | 7.0 |
VNC6□□□-40F | 40 | 34.3 | 40 | ||||
VNC7□4□-50A | 2 | - | 33 | 35.4 | 41 | 5.5 | 5.7 |
VNC7□□□-50A | 50 | 53.6 | 62 | ||||
VNC7□4□-50F | - | 50 | 33 | 35.7 | 41 | 10.2 | 10.4 |
VNC7□□□-50F | 50 | 57.1 | 66 | ||||
VNC814□-65F | - | 65 | 45 | 42.4 | 49 | - | 15.7 |
VNC811□-65F | 65 | 60.6 | 70 | ||||
VNC914□-80F | - | 80 | 56 | 63.1 | 73 | - | 21.2 |
VNC911□-80F | 80 | 86.5 | 100 |
(Units: mm)
Piping connection: 6A, 8A, 10A dimensional drawing
*9 mm longer for EZ, TZ and DZ.
(Units: mm)
Piping connection: 10A, 15A, 20A, 25A dimensional drawing
(Units: mm)
Model | Main Port 1, 2 | A | B | C | D | E | F | H | J* | K | L | M | N | P | Q | R | S |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
VNC2□□□-10A | 3/8 | 63 | 42 | 29 | 14.5 | 72.5 | 80.5 | 95.3 | 162.5 (164.5) | 52 | 26 | 4.5 | 24.3 | 2.3 | 25 | 34 | 55 |
VNC2□□□-15A | 1/2 | 63 | 42 | 29 | 14.5 | 72.5 | 80.5 | 95.3 | 162.5 (164.5) | 52 | 26 | 4.5 | 24.3 | 2.3 | 25 | 34 | 55 |
VNC3□□□-20A | 3/4 | 80 | 50 | 35 | 17.5 | 84 | 92 | 100.3 | 174 (176) | 62 | 31 | 5.5 | 28.3 | 2.3 | 30 | 43 | 60.5 |
VNC4□□□-25A | 1 | 90 | 60 | 40 | 20 | 100 | 108 | 101.3 | 190 (192) | 72 | 36 | 6.5 | 33.3 | 2.3 | 35 | 49 | 73 |
*The dimensions in ( ) are for CE compliant products (-Q).
N.C. (spring return normally closed type) diagram
When pilot solenoid valve 8 is not energized (or when air is exhausted from 12 (P1) port of the air operated type), valve 4 linked to piston 6 is closed via the action of the return spring 7.
For Opening the Valve
When the pilot solenoid valve is energized (or when pressurized air enters through port 12 (P1) of the air operated type), the pilot air that has entered under the piston moves upward, opening the valve.
For Closing the Valve
When the power to the pilot solenoid valve is cut (or when fluid is exhausted from port 12 (P1) of the air operated type), the pilot air under the piston is exhausted and the valve closed via the action of the return spring.
N.O. (spring return normally open type) diagram
In contrast for the N.C. type, when the power to the pilot solenoid valve is shut off (or when air is exhausted from port 10 (P2) of the air operated type), unenergized, the valve is held open via the return spring.
When the pilot solenoid valve is energized (or when pressurized air enters through port 10 (P2) of the air operated type), the valve closes.
Number | Part Name | Material | Notes |
---|---|---|---|
1 | Body Assembly | Cast iron | Plated |
2 | Cover Assembly | Aluminum alloy | Platinum silver coated |
3 | Plate Assembly | Iron | Seal material (NBR, FKM) |
4 | Valve Element | Stainless steel | - |
5 | Valve Cover | NBR, FKM | 32A to 50A use an O-ring |
6 | Piston Assembly | Aluminum alloy | - |
7 | Return Spring | Piano wire | - |
8 | Spiral Pin | Stainless steel | - |
9 | Pilot Solenoid Valve | - | - |
*Parts 3 and 5 are for selection of valve composition.
Part Number |
---|
VNC511A-32F-4DZ |
Part Number | Price | Name | Minimum Order Qty. | Volume Discount | Days to Ship | 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 | Bracket | Lead wire length (mm) | Functions | CE compliant | Lead wire electrical entry | Manual operation type |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
฿ 12,432.10 | SMC SOLENOID AIR VALVE | 1 Piece(s) | 55 Day(s) | Electromagnetic Type | Normally Closed | Tube Flange | - | Pilot Type | 32 | 32 | -5~50 | Single Solenoid | 220 V AC | NBR | With light | None | - | None | - | DIN terminal with light and surge voltage suppressor | Non-locking, push type |
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Applicable Fluid | Coolant | Operating Environment | Standard | Application | Single Item |
---|---|---|---|---|---|
Body material | Cast iron |
Please check the type/dimensions/specifications of the part VNC511A-32F-4DZ in the Coolant Valve, Air Operated / External Pilot Solenoid VNC Series series.
Part Number |
---|
VNC102A-6A-B |
VNC102A-8A |
VNC102A-8A-B |
VNC511A-32F-5DZ |
VNC511A-32F-5DZ-Q |
VNC511A-F32A-5D-Q |
Part Number | Price | Minimum Order Qty | Volume Discount | Days to Ship | 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 | Bracket | Lead wire length (mm) | Functions | CE compliant | Lead wire electrical entry | Manual operation type |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
฿ 2,428.45 | 1 Piece(s) | 55 Day(s) | Air Operating Type | Normally Open | [Rc (R)] Rc | 1/8 | Pilot Type | - | 7 | -5~60 | Single Solenoid | - | NBR | None | Included | - | None | - | None | Non-locking, push type | ||
฿ 2,356.20 | 1 Piece(s) | 55 Day(s) | Air Operating Type | Normally Open | [Rc (R)] Rc | 1/4 | Pilot Type | - | 7 | -5~60 | Single Solenoid | - | NBR | None | None | - | None | - | None | Non-locking, push type | ||
฿ 2,428.45 | 1 Piece(s) | 55 Day(s) | Air Operating Type | Normally Open | [Rc (R)] Rc | 1/4 | Pilot Type | - | 7 | -5~60 | Single Solenoid | - | NBR | None | Included | - | None | - | None | Non-locking, push type | ||
฿ 12,432.10 | 1 Piece(s) | 55 Day(s) | Electromagnetic Type | Normally Closed | Tube Flange | - | Pilot Type | 32 | 32 | -5~50 | Single Solenoid | 24 V DC | NBR | With light | None | - | None | - | DIN terminal with light and surge voltage suppressor | Non-locking, push type | ||
฿ 12,504.35 | 1 Piece(s) | 55 Day(s) | Electromagnetic Type | Normally Closed | Tube Flange | - | Pilot Type | 32 | 32 | -5~50 | Single Solenoid | 24 V DC | NBR | With light | None | - | CE compliant product | - | DIN terminal with light and surge voltage suppressor | Non-locking, push type | ||
฿ 2,851.75 | 1 Piece(s) | 55 Day(s) | Electromagnetic Type | Normally Closed | G | 1 1/4 | Pilot Type | - | 32 | -5~50 | Single Solenoid | - | NBR | None | None | - | - | CE-compliant product | DIN terminal | Non-locking, push type |
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