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3.5 MPa / 7.0 MPa High Pressure Coolant Valve VNH Series (VNH411A-25A)
A coolant valve for use in high speed grinding and long drill machining.
[Features]
· Suitable for lubrication, blowing away dust and cooling via high pressure coolant (3.5 MPa / 7.0 MPa).
· Thread type: Rc/G/NPT/NPTF.
· Connection port size: 3/8, 1/2, 3/4, 1.
· Number of ports: 2 ports, 3 ports.
· Seal materials: FKM/NBR.
(i)Caution
- Webpages for products currently without individual pages on this site will be released on an ad-hoc basis.
- Refer to the manufacturer's catalog for specification and material details.
- Product images may be representative images. Refer to the manufacturer's catalog for shape details.
Part Number
Configured Part Number is shown.
VNH411A-25A
3.5 MPa / 7.0 MPa High Pressure Coolant Valve VNH Series Specifications
VNH Series: 3.5 MPa external appearance
VNH Series: 7.0 MPa external appearance
| Model | 3 Port Valve | 2-port valve | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VNH111A-10A VNH111B-10A | VNH211A-15A VNH211B-15A | VNH311A-20A VNH311B-20A | VNH411A-25A VNH411B-25A | VNH113A-10A VNH113B-10A | VNH213A-15A VNH213B-15A | VNH313A-20A VNH313B-20A | VNH413A-25A VNH413B-25A | VNH113A-10A VNH113B-10A | VNH223A-15A VNH223B-15A | VNH333A-20A VNH333B-20A | VNH433A-25A VNH433B-25A | ||
| Applicable Fluid Pressure | 0 to 3.5 MPa | 0 to 7.0 MPa | |||||||||||
| Fluid (Main Piping) | Coolant *2 | ||||||||||||
| Operating Method | External pilot solenoid type / air operated type | ||||||||||||
| Operating Fluid Temperature | VNH□□1A VNH□□3A | *1-5 to +60°C / *1-5 to +60°C (NBR seal) | |||||||||||
| VNH□□1B VNH□□3B | *1-5 to +60°C / *1-5 to +99°C (FKM seal) | ||||||||||||
| Pilot Air | Pressure | 0.25 to 0.7 MPa | |||||||||||
| Temperature | *1: -5 to +50℃ | ||||||||||||
| Lubrication | Not required (if lubricating, use turbine oil class 1 ISO VG32) | ||||||||||||
| Proof Pressure | 5.5 MPa | 10.5 MPa | |||||||||||
| Ambient Temperature | *1: -5 to +50℃ | ||||||||||||
| Maximum Operating Frequency | 20 times/min | ||||||||||||
| Mounting Orientation | Vertical facing up | ||||||||||||
| Piping Connection Port Diameter | 3/8 | 1/2 | 3/4 | 1 | 3/8 | 1/2 | 3/4 | 1 | 3/8 | 1/2 | 3/4 | 1 | |
| Orifice Diameter [mm] | ø7.1 mm or equivalent | ø8.7 mm or equivalent | ø10.6 mm or equivalent | ø14.3 mm or equivalent | ø3.9 mm or equivalent | ø5.2 mm or equivalent | ø6.2 mm or equivalent | ø7.3 mm or equivalent | ø8 mm | ø9.5 mm | ø13 mm | ø15.7 mm | |
| Flow Rate Characteristics | Kv | 1.6 | 3.1 | 3.9 | 6.8 | 0.5 | 1.0 | 1.4 | 2.1 | 1.9 | 2.7 | 5.0 | 7.5 |
| Conversion Cv | 1.9 | 3.6 | 4.5 | 7.8 | 0.6 | 1.2 | 1.6 | 2.4 | 2.2 | 3.1 | 5.8 | 8.7 | |
| Pilot Connection Port Diameter | 1/8 | 1/4 | 1/8 | 1/4 | 1/8 | 1/4 | |||||||
| Weight (kg) | 2 | 3.1 | 5.6 | 8.2 | 2 | 3.1 | 5.6 | 8.2 | 2 | 3.1 | 5.6 | 8.2 | |
| Face-to-Face Dimensions [mm] | 60 | 80 | 100 | 115 | 60 | 80 | 100 | 115 | 60 | 80 | 100 | 115 | |
*1 No freezing.
*2: This product cannot be used for water.
Pilot Solenoid Valve Specifications
| Pilot Solenoid Valve | VO307-□D1(-Q) VO307-□DZ1(-Q) | ||
|---|---|---|---|
| Electrical Entry | 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 | 50℃ or less (when rated voltage is applied) | ||
| Apparent Power | AC | Inrush | 12.7 VA (50 Hz), 10.7 VA (60 Hz) |
| Holding | 7.6 VA (50 Hz), 5.4 VA (60 Hz) | ||
| Current Consumption (DC) | 4 W (without indicator light), 4.2 W (with indicator light) | ||
| Manual Operation | Non-locking push type | ||
*: See p. 628 in SMC catalog for information on ordering pilot solenoid valves.
Product JIS Symbol
Air-operated type / 3 port JIS symbol
Air-operated type / 2 port JIS symbol
External pilot solenoid type / 3 port JIS symbol
External pilot solenoid type / 2 port JIS symbol
Product Dimensions
(Units: mm)
VNH Series dimensional drawing
(Units: mm)
| Model | Main Port 1, 2, 3 | Pilot Port 12 (P1), 10 (P2) | A | B* | C | D | E | F | G | H | I | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 Port | 3 Port | |||||||||||
| VNH1□□A-10A VNH1□□B-10A | 2 × 3/8 | 3 × 3/8 | 1/8 | 60 | 217 (219) | 60 | 46 | 34 | 24 | 135 | 50 | 77 |
| VNH2□□A-15A VNH2□□B-15A | 2 × 1/2 | 3 × 1/2 | 1/8 | 80 | 246.5 (248.5) | 77 | 60 | 40 | 36 | 164.5 | 60 | 95.5 |
| VNH3□□A-20A VNH3□□B-20A | 2 × 3/4 | 3 × 3/4 | 1/4 | 100 | 282 (284) | 96 | 76 | 50 | 41 | 200 | 79 | 111 |
| VNH4□□A-25A VNH4□□B-25A | 2 × 1 | 3 × 1 | 1/4 | 115 | 301 (303) | 113 | 85 | 60 | 50 | 219 | 90 | 119 |
*The dimensions in ( ) are for CE compliant products (-Q).
(Units: mm)
| Model | J | K | L | M | N | O | P | Q | R | S | T | U |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VNH1□□A-10A VNH1□□B-10A | - | 29 | 25 | 30 | 37 | 75 | 88 | 36 | 10.5 | 62 | 6 × 8 | M5 × 0.8 depth 5.5 |
| VNH2□□A-15A VNH2□□B-15A | 20 | 36 | 30 | 40 | 43 | 100 | 118 | 44.4 | 16 | 70 | 7 × 10 | M6 × 1 depth 6 |
| VNH3□□A-20A VNH3□□B-20A | 24 | 48 | 35 | 50 | 50.5 | 126 | 148 | 57.7 | 19.5 | 92 | 9 × 12 | M8 × 1.25 depth 6 |
| VNH4□□A-25A VNH4□□B-25A | 24 | 51 | 38 | 56 | 58.5 | 141 | 163 | 66.4 | 15.5 | 109 | 9 × 12 | M8 × 1.25 depth 6 |
Product Diagram
VNH Series 3 port valve diagram
VNH Series 2 port valve diagram
Component Parts
| Number | Part Name | Material | Notes |
|---|---|---|---|
| 1 | Body | Cast iron | Plated |
| 2 | Undercover | Cast iron | Plated |
| 3 | Cover | Aluminum alloy | - |
| 4 | Plate | Iron | - |
| 5 | Valve A | Stainless steel | - |
| 6 | Valve B | Stainless steel | - |
| 7 | Piston | Aluminum alloy | - |
| 8 | Return Spring | Piano wire | - |
| 9 | Valve Seat | Stainless steel | - |
| 10 | Rod | Stainless steel | - |
| 11 | Parallel Pin | Stainless steel | - |
| 12 | Pilot Solenoid Valve | - | |
Operating Principle
When pilot solenoid valve 12 is not energized, valve A5 linked to piston 7 is closed via the action of the return spring 8. At this point valve B6 which is connected to valve A5 opens.
When pilot solenoid valve 12 is energized (or when pressurized air enters through port 12 (P1) of the air operated type), the pilot air supplied under piston 7 moves the piston upward, simultaneously opening valve A5 and closing valve B6.
Precautions
- *Use heat resistant parts for fittings and tubing when using high temperature fluids. (Compression fittings, fluorine resin tubes, copper piping, etc.)
- *Be sure to read the individual product precautions before use.
- *See the SMC catalog for product information other than the above.
| Part Number |
|---|
| VNH411A-25A |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Type | Applicable Fluid | Operating Environment | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Orifice Dia. (Ø) | Operating Temperature Range (°C) | Number of Solenoids | Application | Voltage | Sealing materials | Option | Body material | Bracket | Functions | CE compliant | Lead wire electrical entry | Number of ports | Types of Related components |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 6,519.57 | 1 Piece(s) | 21 Day(s) | Air Operating Type | Coolant | Standard | Normally Closed | [Rc (R)] Rc | 1 | Pilot Type | 14.3 | -5～50 | Single Solenoid | Single Item | - | NBR | 3 Port | Cast iron | None | None | - | None | - | - |
Loading...
Please check the type/dimensions/specifications of the part VNH411A-25A in the 3.5 MPa / 7.0 MPa High Pressure Coolant Valve VNH Series series.
Specification/Dimensions
-
Voltage
- 24 V DC
- 100 V AC
- 110 V AC
- 200 V AC
- 220 V AC
-
CE compliant
- CE-compliant product
- Not compatible
-
Number of ports
- 2 ports
- 3 ports
-
Types of Related components
- Bracket (with bolt and washer)
-
type
- VNH
-
Type
- Electromagnetic Type
- Air Operating Type
- Related Components
-
Applicable Fluid
- Coolant
-
Operating Environment
- Standard
-
Switching Type
- Normally Closed
-
Connection Type
- Rc (R)
- G
- NPT
- NPTF
- Rc (R)
-
Plumbing Thread Nominal
-
Driving Type
- Pilot Type
-
Orifice Dia.(Ø)
-
Sealing materials
- FKM
- NBR
-
Option
- 2 Port
- 3 Port
-
Body material
- Cast iron
-
Bracket
- Included
- None
-
Functions
-
Lead wire electrical entry
- DIN terminal
- DIN terminal with light and surge voltage suppressor
- None
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 21 Day(s) or Less
- 27 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Products like this...
| Part Number |
|---|
| VNH111A-10A-2DZ |
| VNH111A-10A-5DZ |
| VNH111A-N10A-5D-B |
| VNH411A-25A-5DZ |
| VNH411A-25A-5DZ-B |
| VNH411B-25A |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Type | Applicable Fluid | Operating Environment | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Orifice Dia. (Ø) | Operating Temperature Range (°C) | Number of Solenoids | Application | Voltage | Sealing materials | Option | Body material | Bracket | Functions | CE compliant | Lead wire electrical entry | Number of ports | Types of Related components |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | Electromagnetic Type | Coolant | Standard | Normally Closed | [Rc (R)] Rc | 3/8 | Pilot Type | 7.1 | -5～50 | Single Solenoid | Single Item | 200 V AC | NBR | - | Cast iron | None | - | Not compatible | - | 3 ports | - | ||
MYR 4,118.15 | 1 Piece(s) | 21 Day(s) | Electromagnetic Type | Coolant | Standard | Normally Closed | [Rc (R)] Rc | 3/8 | Pilot Type | 7.1 | -5～50 | Single Solenoid | Single Item | 24 V DC | NBR | 3 Port | Cast iron | None | None | - | DIN terminal with light and surge voltage suppressor | - | - | ||
- | 1 Piece(s) | Quote | Electromagnetic Type | Coolant | Standard | Normally Closed | NPT | 3/8 | Pilot Type | 7.1 | -5～50 | Single Solenoid | Single Item | - | NBR | - | Cast iron | Included | - | Not compatible | DIN terminal | 3 ports | - | ||
MYR 7,119.92 | 1 Piece(s) | 21 Day(s) | Electromagnetic Type | Coolant | Standard | Normally Closed | [Rc (R)] Rc | 1 | Pilot Type | 14.3 | -5～50 | Single Solenoid | Single Item | 24 V DC | NBR | 3 Port | Cast iron | None | None | - | DIN terminal with light and surge voltage suppressor | - | - | ||
MYR 7,360.05 | 1 Piece(s) | 21 Day(s) | Electromagnetic Type | Coolant | Standard | Normally Closed | [Rc (R)] Rc | 1 | Pilot Type | 14.3 | -5～50 | Single Solenoid | Single Item | 24 V DC | NBR | 3 Port | Cast iron | Included | None | - | DIN terminal with light and surge voltage suppressor | - | - | ||
MYR 7,059.88 | 1 Piece(s) | 21 Day(s) | Air Operating Type | Coolant | Standard | Normally Closed | [Rc (R)] Rc | 1 | Pilot Type | 14.3 | -5～50 | Single Solenoid | Single Item | - | FKM | 3 Port | Cast iron | None | None | - | None | - | - |
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